CN113471741B - High-speed FPC connector - Google Patents
High-speed FPC connector Download PDFInfo
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- CN113471741B CN113471741B CN202110742922.XA CN202110742922A CN113471741B CN 113471741 B CN113471741 B CN 113471741B CN 202110742922 A CN202110742922 A CN 202110742922A CN 113471741 B CN113471741 B CN 113471741B
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- terminal
- main body
- upper terminal
- plastic insulation
- insulation main
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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
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
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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
- H01R13/02—Contact members
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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
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6461—Means for preventing cross-talk
- H01R13/6471—Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
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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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
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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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding with earth pin, blade or socket
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Abstract
The invention discloses a high-speed FPC connector, which comprises a plastic insulating main body, an upper terminal module, a lower terminal group and a flip cover, wherein the lower terminal in the lower terminal group comprises an underground terminal and a differential signal lower terminal, the upper terminal module and the plastic insulating main body are integrally molded by injection, and the upper terminal module comprises an upper terminal fixing connecting part and an upper terminal pivoting arm. In addition, a grounding shielding shell can be additionally arranged, so that noise can be better introduced into the ground, interference is reduced, and signals are stronger.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to a high-speed FPC connector.
Background
The FPC connector is mainly matched with flexible butt joint ends of an FPC flexible printed circuit board or FFC flexible flat cables, flat cables and the like for use, so that signals are transmitted from one end to the other end, and the purpose of signal transmission is achieved. At present, the FPC connector in the market is generally provided with a plastic insulating main body, an upper row of terminals, a lower row of terminals, and a flip cover, wherein the upper row of terminals is located above the lower row of terminals and spaced apart from each other to form electrical separation, and the flip cover can be flipped relative to the plastic insulating main body by using a portion assembled to the upper row of terminals as a shaft.
However, the existing FPC connector has the following disadvantages: 1. the upper terminals of the upper row of terminals are arranged in a plurality of ways and are independently inserted into corresponding upper terminal mounting holes formed in the plastic insulation main body respectively, and are clamped and fixed with the inner walls of the upper terminal mounting holes through clamping positions (or barbs) of the upper terminals, but are easy to loosen and loose in the using process, the upper terminals are complex to assemble, and when the upper terminals are inserted, the upper terminals can interfere with the plastic insulation main body to cause stress deformation and stress deformation caused by heating after IR (reflow furnace). 2. The requirements of five performance indexes such as insertion loss, return loss, near-end crosstalk, ACR far-end crosstalk and characteristic impedance cannot be met at the same time, and the transmission performance and the transmission quality of signals still need to be improved.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned drawbacks of the prior art and providing a high-speed FPC connector.
In order to achieve the above object, the present invention provides a high-speed FPC connector, including a plastic insulating main body, an upper terminal module, a lower row of terminal groups, and a flip cover, wherein the upper terminal module and the lower row of terminal groups are respectively installed in the plastic insulating main body, the upper terminal module is disposed above the lower row of terminal groups along a height direction of the plastic insulating main body and spaced from each other to form electrical separation, a lower terminal of the lower row of terminal groups includes a plurality of underground terminals and a plurality of differential signal lower terminals, the underground terminals and the differential signal lower terminals are arranged in a row along a length direction of the plastic insulating main body, at least one differential signal lower terminal is disposed between two adjacent underground terminals, the upper terminal module and the plastic insulating main body are integrally injection-molded, the upper terminal module includes an upper terminal fixing connection portion and a plurality of upper terminal pivoting arms, the upper terminal fixing connection portion is embedded into the plastic insulating main body along the length direction of the plastic insulating main body, all the upper terminal fixing connection portion is pivoted to the plastic insulating main body, and the upper terminal fixing connection portion is pivoted to the plastic insulating main body to form a row, and the flip cover can be turned over relative to the plastic insulating main body.
Preferably, the upper terminal pivot arm is located between two adjacent lower terminals in the lower row of terminal groups to form a staggered distribution, or the upper terminal pivot arm is located right above each lower terminal in the lower row of terminal groups.
Preferably, the left end of the upper terminal fixing and connecting part is bent downwards and then bent leftwards, so that a left material belt breaking position is formed on the left side surface of the plastic insulation main body, and the right end of the upper terminal fixing and connecting part is bent downwards and then bent rightwards, so that a right material belt breaking position is formed on the right side surface of the plastic insulation main body.
Preferably, the bottom of the front end of the upper terminal pivoting arm is provided with a pivoting groove, the rear end of the flip cover is provided with a flip cover shaft body part and a plurality of flip cover through holes which are arranged in a row and are used for inserting the upper terminal pivoting arm, the flip cover shaft body part is rotatably assembled in the pivoting groove of the upper terminal pivoting arm.
Preferably, the bottom of the plastic insulating main body is provided with a clearance through hole located right below the front end of each lower terminal in the lower row of terminal group.
Preferably, the length of the ground terminal in the lower terminal group is greater than that of the differential signal lower terminal.
Preferably, the top of the front end of the underground terminal and the top of the front end of the differential signal lower terminal are respectively provided with a lower terminal contact portion, the top of the underground terminal close to the rear end and the top of the differential signal lower terminal close to the rear end are respectively provided with a lower terminal clamping portion, the rear end of the underground terminal and the rear end of the differential signal lower terminal are respectively provided with a lower terminal welding foot portion, the underground terminal and the differential signal lower terminal are respectively installed in corresponding lower terminal installation jacks formed in the plastic insulating main body, and the underground terminal and the differential signal lower terminal are clamped and fixed with the plastic insulating main body through the respective lower terminal clamping portions.
Preferably, the high-speed FPC connector further comprises ground lugs located on the left side and the right side of the lower row of terminal groups, each ground lug comprises a ground lug insertion part, an insertion end is formed at one end of each ground lug insertion part and is inserted into a ground lug insertion hole formed in the plastic insulation main body, an insertion end top of each ground lug insertion part is provided with an insertion clamping position, the other end of each ground lug insertion part is provided with an L-shaped elastic contact arm, a free end of each elastic contact arm is provided with a contact elastic point, a cover lifting stop part is arranged at the top of each ground lug insertion part, and a ground lug welding foot part is arranged at the bottom of each ground lug insertion part.
Preferably, the high-speed FPC connector further comprises a grounding shielding shell covered outside the plastic insulation main body, the grounding shielding shell is fixedly connected with the plastic insulation main body, a plurality of grounding arms are arranged at the rear end of the grounding shielding shell, the grounding arms are respectively connected with the corresponding grounding lower terminals, and shielding shell welding foot parts are arranged at the bottoms of the left side and the right side of the grounding shielding shell.
As preferred, the left and right sides of ground connection shielding shell has seted up the locator card hole respectively, the left and right sides of plastic insulation main part is equipped with the location fixture block respectively, the location fixture block can be gone into to corresponding locator card in the hole to make ground connection shielding shell and plastic insulation main part fixed connection.
Compared with the prior art, the invention has the beneficial effects that:
1. the upper terminal is arranged into an integral upper terminal module which consists of an upper terminal fixing connecting part and a plurality of upper terminal pivoting arms connected with the upper terminal fixing connecting part, the structural strength is high, the upper terminal module and the plastic insulating main body are integrally molded by injection, and the upper terminal fixing connecting part is embedded into the plastic insulating main body along the length direction of the plastic insulating main body, so that the connection between the upper terminal module and the plastic insulating main body is firmer, the upper terminal is prevented from loosening, the upper terminal does not need to be inserted into an upper terminal mounting hole of the plastic insulating main body one by one, the assembly steps are simplified, the efficiency is improved, and the stress deformation caused by interference between the upper terminal and the plastic insulating main body and the stress deformation caused by IR back heating when the upper terminal is inserted can be avoided.
2. The invention can simultaneously meet the requirements of five performance indexes such as insertion loss, return loss, near-end crosstalk, ACR far-end crosstalk, characteristic impedance and the like, improves the transmission performance and the transmission quality of signals and ensures that the whole signal transmission is more stable and reliable.
3. The grounding shielding shell is additionally arranged, the grounding arms of the grounding shielding shell can be connected with the respective corresponding grounding lower terminals, noise can be better introduced into the ground, interference is reduced, signals are stronger, and signals generated by the connector can be prevented from interfering other peripheral electronic components.
4. The differential signal lower terminal is positioned between two adjacent underground terminals, the length of each underground terminal is greater than that of each differential signal lower terminal, and the ground lower terminal can better block signal interference from other directions to signal transmission of the differential signal lower terminals.
5. The bottom of the plastic insulation main body is provided with the clearance through hole which is positioned right below the front end of each lower terminal in the lower row of terminal group, the clearance through hole can increase the characteristic impedance in high frequency, and the lower terminal can avoid the plastic insulation main body through the clearance through hole, so that the interference force generated between the lower terminal and the plastic insulation main body after the flexible butt joint end is inserted into the connector can be reduced, and the flexible butt joint end is prevented from being damaged when being pulled out.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions in the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first schematic structural diagram of a high-speed FPC connector according to an embodiment of the present invention;
FIG. 2 is a second schematic structural diagram of a high-speed FPC connector provided by an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a high speed FPC connector provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a high-speed FPC connector with a grounding shield shell hidden according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a plastic insulating body according to an embodiment of the present invention;
fig. 6 is a schematic structural view of an upper terminal module and a lower terminal module according to an embodiment of the present invention;
fig. 7 is a top view of an upper terminal module and a lower terminal group according to an embodiment of the invention;
fig. 8 is a schematic structural diagram of an upper terminal module according to an embodiment of the present invention;
fig. 9 is a side view of an upper terminal module according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a lift cover according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a lower row of terminal sets according to an embodiment of the present invention;
fig. 12 is a side view of a differential signal lower terminal provided by an embodiment of the present invention;
fig. 13 is a schematic structural diagram of a ground strip provided in the embodiment of the present invention;
FIG. 14 is an enlarged view of the grounding plate and the flip cover provided in the present embodiment;
fig. 15 is a schematic structural diagram of a ground shield provided by an embodiment of the invention;
fig. 16 is a schematic structural view illustrating the assembly of the high-speed FPC connector with the flexible mating terminal according to the present invention;
fig. 17 is a schematic structural view of the plastic insulating main body and the upper terminal module material belt integrally injection-molded according to the embodiment of the present invention;
FIG. 18 is a graph of experimental testing of differential characteristic impedance provided by an embodiment of the present invention;
FIG. 19 is a chart of experimental testing of attenuated crosstalk ratios provided by embodiments of the present invention;
fig. 20 is a graph of experimental tests of differential insertion loss provided by embodiments of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention provides a high-speed FPC connector, including a plastic insulating main body 1, an upper terminal module 2, a lower terminal module 3, and a flip cover 4, where the upper terminal module 2 and the lower terminal module 3 are respectively installed in the plastic insulating main body 1, the upper terminal module 2 is disposed above the lower terminal module 3 along a height direction of the plastic insulating main body 1 and spaced apart from each other to form an electrical separation, and the flip cover 4 can be flipped relative to the plastic insulating main body 1 by using a pivot portion assembled to the upper terminal module 2 as an axis.
The following describes each component of the present embodiment in detail with reference to the drawings.
In specific implementation, the upper terminal module 2 may be integrally injection-molded with the plastic insulating main body 1, as shown in fig. 3, 4, 6 and 8, the upper terminal module 2 may include an upper terminal fixing connection portion 21 and a plurality of upper terminal pivot arms 22, the upper terminal fixing connection portion 21 is embedded into the plastic insulating main body 1 along the length direction of the plastic insulating main body 1, all the upper terminal pivot arms 22 are connected to the front end of the upper terminal fixing connection portion 21 and arranged in a row along the length direction of the plastic insulating main body 1, the upper terminal pivot arms 22 and the upper terminal fixing connection portion 21 may be integrally formed by stamping a metal material, and all the upper terminal pivot arms 22 extend out of the plastic insulating main body 1.
As shown in fig. 7, the upper terminal pivot arms 22 may be located between two adjacent lower terminals in the lower terminal set 3 to form a staggered distribution. Of course, in other embodiments, the upper terminal pivot arm 22 may be located directly above each lower terminal in the lower terminal set 3. The number of upper terminal pivoting arms 22 can be changed arbitrarily according to practical requirements.
As shown in fig. 8, 9 and 10, the front end of the upper terminal pivot arm 22 may be provided with a pivot groove 221 at the bottom, the rear end of the flip cover 4 may be provided with a flip cover shaft body portion 41 arranged along the length direction of the plastic insulating main body 1 and a plurality of flip cover through holes 42 (the number corresponds to the number of the upper terminal pivot arms 22) arranged in a row for the upper terminal pivot arms 22 to be inserted into, and the flip cover shaft body portion 41 may be rotatably assembled in the pivot groove 221 of the upper terminal pivot arms 22.
In order to facilitate the integral injection molding of the upper terminal module 2 and the plastic insulation main body 1, as shown in fig. 6 and 8, the left end of the upper terminal fixing connection portion 21 may be bent downward and then bent leftward, and is connected to the material strap 7, and the right end of the upper terminal fixing connection portion 21 is bent downward and then bent rightward, and is connected to the material strap 7. The connection between the upper end sub-module 2 and the material belt 7 can be pre-cut (with a pre-cut). During injection moulding, the upper terminal module 2 can be connected on the material belt 7, and the two-end bending structure of the upper terminal fixing and connecting part 21 can enable the material belt 7 to be perpendicular to the plastic insulation main body 1, so that the upper terminal module 2, the material belt 7 and the plastic insulation main body 1 can be conveniently placed into a mold together for injection moulding. After injection molding, with the break of upper terminal module 2 from the material area, the left end of upper terminal fixed connection portion 21 can form the disconnected material level 23 in left side material area on the left surface of plastic insulation main part 1 this moment, and the right-hand member portion of upper terminal fixed connection portion 21 can form the disconnected material level 24 in right side material area on the right side surface of plastic insulation main part 1.
The last terminal module of this embodiment is an integral structure, its structural strength is high, and go up terminal module and the integrative injection moulding of plastic insulation main part, the inside of plastic insulation main part is buried into along the length direction of plastic insulation main part to last terminal fixed connection portion, can make the connection of last terminal module and plastic insulation main part more firm like this, prevent that the upper end from taking place not hard up the condition, need not to insert the upper end one by one in the upper end mounting hole of plastic insulation main part, need not to set up screens or barb on every upper end, the equipment step has been simplified, the efficiency is improved, and can avoid when the cartridge upper end, the upper end produces the stress deformation that the interference arouses after stress deformation and the IR stress deformation that arouses.
As shown in fig. 6, the lower terminals in the lower terminal group 3 may include a plurality of ground terminals 31 and a plurality of differential signal lower terminals 32, the ground terminals 31 and the differential signal lower terminals 32 are aligned along the length direction of the plastic insulating main body 1, and at least one differential signal lower terminal 32 is disposed between two adjacent ground terminals 31. In this embodiment, preferably, two differential signal lower terminals 32 may be disposed between two adjacent ground terminals 31, and G, S, and G signal distributions may be adopted. The number of the ground lower terminals 31 and the differential signal lower terminals 32 may be arbitrarily changed according to actual needs.
As shown in fig. 11, the length of the ground lower terminal 31 in the lower terminal group 3 may be greater than that of the differential signal lower terminal 32, so that the ground terminal can better block signal transmission from signal interference coming from other directions to the differential signal lower terminal.
As shown in fig. 11, the top of the front end of the lower ground terminal 31 is provided with a lower terminal contact portion 311, the top of the lower ground terminal 31 near the rear end is provided with a lower terminal retaining portion 312, the rear end of the lower ground terminal 31 is provided with a lower terminal soldering foot portion 313, the lower terminal soldering foot portion 313 is exposed out of the back of the plastic insulating main body 1, and the lower terminal soldering foot portion 313 is soldered to the circuit board.
As shown in fig. 12, the differential signal lower terminal 32 has a lower terminal contact portion 321 at the top of the front end, a lower terminal clamping portion 322 at the top of the differential signal lower terminal 32 near the rear end, a lower terminal bonding portion 323 at the rear end of the differential signal lower terminal 32, the lower terminal bonding portion 323 being exposed at the back of the plastic insulating body 1, and the lower terminal bonding portion 323 being bonded to the circuit board.
As shown in fig. 3, 4 and 5, the ground lower terminal 31 and the differential signal lower terminal 32 may be respectively installed in corresponding lower terminal installation insertion holes 12 formed in the plastic insulating main body 1, and are clamped and fixed with the plastic insulating main body 1 through respective lower terminal clamping portions.
In the prior art, after the flexible butt joint end (such as a flat cable) is inserted into the connector, the lower terminal is blocked after sinking for a certain position due to the plastic insulation main body 1 below the lower terminal, so that the interference between the lower terminal and the flexible butt joint end is too large when the flip cover of the connector is closed, and the flexible butt joint end is damaged when being pulled out. In order to solve the problem, as shown in fig. 2 and 3, a position-avoiding through hole 11 is formed at the bottom of the plastic insulating main body 1 and located right below the front end of each lower terminal in the lower row of terminal group 3, and the lower terminal can avoid the plastic insulating main body through the position-avoiding through hole, so that the interference force generated between the lower terminal and the plastic insulating main body after the flexible butt-joint end is inserted into the connector can be reduced, and the flexible butt-joint end is prevented from being damaged when being pulled out. Meanwhile, the characteristic impedance in high frequency can be increased by arranging the clearance through hole 11.
As a further improvement of this embodiment, as shown in fig. 4, 5 and 13, the high-speed FPC connector may further include a grounding plate 5 located at the left and right sides of the lower row terminal set 3, wherein the grounding plate 5 may include a grounding plate plugging portion 51, one end of the grounding plate plugging portion 51 forms an insertion end and is inserted into the grounding plate insertion hole 13 formed in the plastic insulating main body 1, an insertion and fixing clip 52 is disposed at the top of the insertion end of the grounding plate plugging portion 51, an L-shaped elastic contact arm 53 is disposed at the other end of the grounding plate plugging portion 51, a contact spring point 54 is disposed at the free end of the elastic contact arm 53, and the contact spring point 54 may contact with a specified conductive contact point of the flexible butt-joint end.
In order to prevent the flip cover 4 from being easily separated from the upper terminal module 2, as shown in fig. 10, 13 and 14, a flip cover stop portion 55 may be provided at the top of the ground strip insertion portion 51, and the flip cover stop portion 55 may limit the end shaft bodies 43 at the left and right ends of the flip cover 4.
As shown in fig. 13, the bottom of the grounding plate insertion part 51 is provided with a grounding plate soldering leg part 56, and the grounding plate soldering leg part 56 can be soldered to a designated soldering point of the circuit board.
As a further improvement of this embodiment, as shown in fig. 1, fig. 2 and fig. 15, the high-speed FPC connector may further include a grounding shield 6 (iron shell) covering the outside of the plastic insulating main body 1, the grounding shield 6 is fixedly connected to the plastic insulating main body 1, a plurality of grounding arms 61 are disposed at the rear end of the grounding shield 6, and the grounding arms 61 are respectively connected to the respective corresponding grounding lower terminals 31.
In order to facilitate the installation and the disassembly of the grounding shielding shell 6, the positioning clamp holes 62 can be respectively formed in the left side and the right side of the grounding shielding shell 6, correspondingly, the positioning clamp blocks 14 can be respectively arranged on the left side and the right side of the plastic insulating main body 1, and the positioning clamp blocks 14 can be clamped into the corresponding positioning clamp holes 62, so that the grounding shielding shell 6 is fixedly connected with the plastic insulating main body 1.
As shown in fig. 15, the ground shield 6 has shield case solder tails 63 at the left and right bottoms, and the shield case solder tails 63 can be soldered to a circuit board.
The grounding shield 6 can better introduce noise into the ground, reduce interference, make signals stronger, and prevent signals generated by the connector from interfering with other peripheral electronic components.
As shown in fig. 16, the flip cover 4 can be opened before the flexible docking end 7 (such as a flat cable) is inserted into the connector, and the flip cover 4 can be closed after the flexible docking end 7 is inserted into the connector, so that the flexible docking end 7 is pressed by the flip cover 4.
As shown in fig. 18, 19 and 20, the high-speed FPC connector of this embodiment can simultaneously satisfy the requirements of five performance indexes, such as insertion loss, return loss, near-end crosstalk, ACR far-end crosstalk, and characteristic impedance, and improve the transmission performance and transmission quality of signals, so that the overall signal transmission is more stable and reliable.
The signal integrity simulation accuracy of the high-speed FPC connector is over 90%, each pair of difference can reach the speed requirement of 24Gbps, the latest HDMI2.1 protocol is met, and a client can be assisted to research and develop a display terminal with higher definition and higher refresh rate in the future.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. A high-speed FPC connector which is characterized in that: the upper terminal module and the lower terminal group are respectively installed in the plastic insulation main body, the upper terminal module is arranged above the lower terminal group along the height direction of the plastic insulation main body and is arranged at intervals to form electric separation, the lower terminals in the lower terminal group comprise a plurality of underground connecting terminals and a plurality of differential signal lower terminals, the underground connecting terminals and the differential signal lower terminals are arranged in a row along the length direction of the plastic insulation main body, at least one differential signal lower terminal is arranged between every two adjacent underground connecting terminals, the upper terminal module and the plastic insulation main body are integrally injection-molded, the upper terminal module comprises an upper terminal fixing connecting portion and a plurality of upper terminal pivoting arms, the upper terminal fixing connecting portion is embedded into the plastic insulation main body along the length direction of the plastic insulation main body, all the upper terminal pivoting arms are connected to the front end of the upper terminal fixing connecting portion and are arranged in a row along the length direction of the plastic insulation main body, all the upper terminal pivoting arms extend out of the insulation main body, and the lifting cover can be connected to the plurality of the upper terminal pivoting arms as an insulation shaft relative to the plastic insulation main body.
2. The high speed FPC connector of claim 1, wherein: the upper terminal pivot arm is located between two adjacent lower terminals in the lower row of terminal groups to form staggered distribution, or the upper terminal pivot arm is located right above each lower terminal in the lower row of terminal groups.
3. The high-speed FPC connector of claim 1, wherein: the left end of the upper terminal fixing and connecting portion is bent leftwards after being bent downwards, so that a left side material belt breaking material position is formed on the left side surface of the plastic insulating main body, and the right end of the upper terminal fixing and connecting portion is bent rightwards after being bent downwards, so that a right side material belt breaking material position is formed on the right side surface of the plastic insulating main body.
4. The high-speed FPC connector of claim 1, wherein: the bottom of the front end of the upper terminal pin joint arm is provided with a pin joint groove, the rear end of the lifting cover is provided with a cover lifting shaft body part and a plurality of cover lifting through holes which are arranged in a row and are used for the upper terminal pin joint arm to insert, and the cover lifting shaft body part is rotatably assembled in the pin joint groove of the upper terminal pin joint arm.
5. The high-speed FPC connector of claim 1, wherein: the bottom of the plastic insulation main body is provided with a position avoiding through hole which is positioned right below the front end of each lower terminal in the lower row of terminal group.
6. The high speed FPC connector of claim 1, wherein: the length of the ground connection terminal in the lower row of terminal group is greater than that of the differential signal lower terminal.
7. The high speed FPC connector of claim 1, wherein: the plastic insulation main body is provided with a front end top part and a differential signal lower terminal, the front end top part of the underground terminal and the front end top part of the differential signal lower terminal are respectively provided with a lower terminal contact part, the top part of the underground terminal close to the rear end and the top part of the differential signal lower terminal close to the rear end are respectively provided with a lower terminal clamping part, the rear end of the underground terminal and the rear end of the differential signal lower terminal are respectively provided with a lower terminal welding foot part, the underground terminal and the differential signal lower terminal are respectively installed in corresponding lower terminal installation jacks formed in the plastic insulation main body, and the underground terminal and the differential signal lower terminal are clamped and fixed with the plastic insulation main body through the respective lower terminal clamping parts.
8. The high speed FPC connector of claim 1, wherein: the grounding piece comprises a grounding piece insertion part, one end of the grounding piece insertion part is formed into an insertion end and inserted into a grounding piece insertion hole formed in the plastic insulation main body, an insertion end top of the grounding piece insertion part is provided with an insertion fixing clamping position, the other end of the grounding piece insertion part is provided with an L-shaped elastic contact arm, the free end of the elastic contact arm is provided with a contact elastic point, the top of the grounding piece insertion part is provided with a cover lifting stop position part, and the bottom of the grounding piece insertion part is provided with a grounding piece welding foot part.
9. The high-speed FPC connector of any one of claims 1 to 8, wherein: still establish the outside ground connection shielding shell in plastic insulation main part including the cover, ground connection shielding shell and plastic insulation main part fixed connection, the rear end of ground connection shielding shell is equipped with a plurality of ground connection arms, ground connection arm is connected with terminal under the ground connection that corresponds separately respectively, the left and right sides bottom of ground connection shielding shell is equipped with shielding shell respectively and welds foot portion.
10. The high speed FPC connector of claim 9, wherein: the left and right sides of ground connection shielding shell has seted up the locator card hole respectively, the left and right sides of plastic insulation main part is equipped with the location fixture block respectively, the location fixture block can block into in the corresponding locator card hole to make ground connection shielding shell and plastic insulation main part fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110742922.XA CN113471741B (en) | 2021-07-01 | 2021-07-01 | High-speed FPC connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110742922.XA CN113471741B (en) | 2021-07-01 | 2021-07-01 | High-speed FPC connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113471741A CN113471741A (en) | 2021-10-01 |
| CN113471741B true CN113471741B (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110742922.XA Active CN113471741B (en) | 2021-07-01 | 2021-07-01 | High-speed FPC connector |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5223332B2 (en) * | 2007-12-28 | 2013-06-26 | オムロン株式会社 | Connector connection terminal |
| CN101340029A (en) * | 2008-08-27 | 2009-01-07 | 达昌电子科技(苏州)有限公司 | Connector having bus cable grounding structure |
| CN201430244Y (en) * | 2009-03-27 | 2010-03-24 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN101867107A (en) * | 2010-06-29 | 2010-10-20 | 昆山捷讯腾精密电子科技有限公司 | FPC (Flexible Printed Circuit) connector |
| CN107332002B (en) * | 2014-08-25 | 2019-12-27 | 富士康(昆山)电脑接插件有限公司 | Electrical connector |
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2021
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| CN113471741A (en) | 2021-10-01 |
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