CN110867683A - USB A male connector - Google Patents
USB A male connector Download PDFInfo
- Publication number
- CN110867683A CN110867683A CN201810985420.8A CN201810985420A CN110867683A CN 110867683 A CN110867683 A CN 110867683A CN 201810985420 A CN201810985420 A CN 201810985420A CN 110867683 A CN110867683 A CN 110867683A
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- transmission conductor
- frequency transmission
- contact portion
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- pair
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- 230000005540 biological transmission Effects 0.000 claims abstract description 550
- 239000004020 conductor Substances 0.000 claims abstract description 546
- 239000000084 colloidal system Substances 0.000 claims description 24
- 238000009413 insulation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 18
- 230000000873 masking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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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
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
Abstract
The invention discloses a USB A male connector, which mainly comprises a first grounding transmission conductor, a first high-frequency transmission conductor pair, a first low-frequency transmission conductor, a second high-frequency transmission conductor pair, a power transmission conductor, a second grounding left side extension base part, a second grounding right side extension base part and a grounding common pin part, wherein the second grounding transmission conductor comprises a second grounding left side contact part and a second grounding right side contact part which are respectively connected with a shielding shell.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to a USB A male connector capable of improving the noise interference resisting technology.
Background
The current USB commonly used in the industry includes Type a, which includes a shielding shell, a tongue plate accommodated in the shielding shell and matching with the butting connector, and an insulating colloid covering the tongue plate, with the above structure, a USB connector can be assembled, however, the conventional Type a USB connector usually has very serious noise interference, and in short, some noise is generated when the high frequency terminal is operated, if the noise between the terminals is not perfect in this block, interference will occur, also known as high frequency noise interference, so as to prevent the high frequency from reaching the optimization purpose, and also cause the interference caused by the resonance of the electromagnetic wave radiation to the radio frequency, thereby, how to solve the problems and disadvantages caused by the interference, the present invention is directed to the improvement of the present invention by the inventor and the related manufacturers.
Therefore, in view of the above-mentioned shortcomings, the present inventors have collected relevant information, evaluated and considered in many ways, and finally devised the present invention through continuous trial and modification with years of experience accumulated in the industry.
Disclosure of Invention
The invention aims to provide a USB A male connector capable of improving the noise interference resisting technology.
Based on the above, the present invention mainly adopts the following technical means to achieve the above object.
A USB a male connector, comprising: a first grounding transmission conductor, having a first grounding contact portion at one end and a first grounding pin portion at the other end; a first high-frequency transmission conductor pair provided at one end with a first high-frequency transmission conductor contact portion pair located at the rear of the first ground contact portion; a first low-frequency transmission conductor provided at one end with a first low-frequency transmission conductor contact portion arranged in parallel with the first ground contact portion; a second low-frequency transmission conductor provided at one end with a second low-frequency transmission conductor contact portion arranged in parallel with the first low-frequency transmission conductor contact portion; a second high-frequency transmission conductor pair provided at one end with a second high-frequency transmission conductor contact portion pair arranged in parallel with the first high-frequency transmission conductor contact portion pair; a power transmission conductor having a power contact portion at one end and a power pin portion at the other end, the power contact portion being arranged in parallel with the second low-frequency transmission conductor contact portion and located in front of the second high-frequency transmission conductor contact portion pair; a second ground transmission conductor including a second ground intermediate contact portion located between the first low-frequency transmission conductor contact portion and the second low-frequency transmission conductor contact portion, a second ground left contact portion connected to the second ground intermediate contact portion and located on a side of the first ground contact portion facing away from the first low-frequency transmission conductor contact portion, and a second ground right contact portion connected to the second ground intermediate contact portion and located on a side of the power supply contact portion facing away from the second low-frequency transmission conductor contact portion; a second grounded left-side extension base part arranged between the first high-frequency transmission conductor pair and the first low-frequency transmission conductor and electrically connected with the second grounded transmission conductor; a second ground right-side extension base portion provided between the second high-frequency transmission conductor pair and the second low-frequency transmission conductor and electrically connected to the second ground transmission conductor; and a ground common pin portion connected to one end of the second ground left extension base portion and the second ground right extension base portion; a shielding shell, the second grounding left contact part and the second grounding right contact part are mutually abutted with the shielding shell to form a grounding loop.
Preferably, the USB a male connector is characterized in that: the shielding case is provided with a first grounding transmission conductor, a first high-frequency transmission conductor pair, a first low-frequency transmission conductor, a second high-frequency transmission conductor pair, a power transmission conductor, a second grounding left extending base and a second grounding right extending base.
Preferably, the USB a male connector further comprises at least one insulating colloid for accommodating the first ground transmission conductor, the first high frequency transmission conductor pair, the first low frequency transmission conductor, the second high frequency transmission conductor pair, the power transmission conductor, the second ground left side extension base, and the second ground right side extension base, wherein the first high frequency transmission conductor pair is disposed on one side of the first ground transmission conductor, the first low frequency transmission conductor is disposed on one side of the first high frequency transmission conductor pair, the second low frequency transmission conductor is disposed on one side of the first low frequency transmission conductor, the second high frequency transmission conductor pair is disposed on one side of the second low frequency transmission conductor, the power transmission conductor is disposed on one side of the second high frequency transmission conductor pair, and the power pin portion is disposed on one side of the first ground pin portion, the grounding common pin part is disposed between the first grounding pin part and the power pin part.
A USB a male connector, comprising: a first grounding transmission conductor, having a first grounding contact portion at one end and a first grounding pin portion at the other end; a first high-frequency transmission conductor pair provided at one end with a first high-frequency transmission conductor contact portion pair located at the rear of the first ground contact portion; a first low-frequency transmission conductor provided at one end with a first low-frequency transmission conductor contact portion arranged in parallel with the first ground contact portion; a second low-frequency transmission conductor provided at one end with a second low-frequency transmission conductor contact portion arranged in parallel with the first low-frequency transmission conductor contact portion; a second high-frequency transmission conductor pair provided at one end with a second high-frequency transmission conductor contact portion pair arranged in parallel with the first high-frequency transmission conductor contact portion pair; a power transmission conductor having a power contact portion at one end and a power pin portion at the other end, the power contact portion being arranged in parallel with the second low-frequency transmission conductor contact portion and located in front of the second high-frequency transmission conductor contact portion pair; a second ground transmission conductor including a second ground intermediate contact portion located between the first low-frequency transmission conductor contact portion and the second low-frequency transmission conductor contact portion, a second ground left contact portion connected to the second ground intermediate contact portion and located on a side of the first ground contact portion facing away from the first low-frequency transmission conductor contact portion, and a second ground right contact portion connected to the second ground intermediate contact portion and located on a side of the power supply contact portion facing away from the second low-frequency transmission conductor contact portion; a second grounded left-side extension base part arranged between the first high-frequency transmission conductor pair and the first low-frequency transmission conductor and electrically connected with the second grounded transmission conductor; a second ground right-side extension base portion provided between the second high-frequency transmission conductor pair and the second low-frequency transmission conductor and electrically connected to the second ground transmission conductor; a shielding shell, the second grounding left contact part and the second grounding right contact part are mutually abutted with the shielding shell to form a grounding loop.
Further, the USB a male connector further includes at least one insulating colloid for accommodating the first ground transmission conductor, the first high-frequency transmission conductor pair, the first low-frequency transmission conductor, the second high-frequency transmission conductor pair, the power transmission conductor, the second ground left-side extension base, and the second ground right-side extension base, and the insulating colloid is accommodated in the shielding shell.
Furthermore, the USB a male connector further includes at least one insulating colloid for accommodating the first ground transmission conductor, the first high frequency transmission conductor pair, the first low frequency transmission conductor, the second high frequency transmission conductor pair, the power transmission conductor, the second ground left side extension base, and the second ground right side extension base, and the first high frequency transmission conductor pair is disposed on one side of the first ground transmission conductor, the first low-frequency transmission conductor is arranged at one side of the first high-frequency transmission conductor, the second low-frequency transmission conductor is arranged at one side of the first low-frequency transmission conductor, the second high-frequency transmission conductor pair is arranged on one side of the second low-frequency transmission conductor pair, the power transmission conductor is arranged on one side of the second high-frequency transmission conductor pair, and the power pin part is arranged on one side of the first grounding pin part.
A USB a male connector, comprising: a first grounding transmission conductor having a first grounding contact portion at one end; a first high-frequency transmission conductor pair provided at one end with a first high-frequency transmission conductor contact portion pair located at the rear of the first ground contact portion; a first low-frequency transmission conductor provided at one end with a first low-frequency transmission conductor contact portion arranged in parallel with the first ground contact portion; a second low-frequency transmission conductor provided at one end with a second low-frequency transmission conductor contact portion arranged in parallel with the first low-frequency transmission conductor contact portion; a second high-frequency transmission conductor pair provided at one end with a second high-frequency transmission conductor contact portion pair arranged in parallel with the first high-frequency transmission conductor contact portion pair; a power transmission conductor provided at one end with a power contact portion arranged in parallel with the second low-frequency transmission conductor contact portion and located in front of the second high-frequency transmission conductor contact portion pair; a second ground transmission conductor including a second ground intermediate contact portion located between the first low-frequency transmission conductor contact portion and the second low-frequency transmission conductor contact portion, a second ground left contact portion connected to the second ground intermediate contact portion and located on a side of the first ground contact portion facing away from the first low-frequency transmission conductor contact portion, and a second ground right contact portion connected to the second ground intermediate contact portion and located on a side of the power supply contact portion facing away from the second low-frequency transmission conductor contact portion; a second grounded left-side extension base part arranged between the first high-frequency transmission conductor pair and the first low-frequency transmission conductor and electrically connected with the second grounded transmission conductor; a second ground right-side extension base portion provided between the second high-frequency transmission conductor pair and the second low-frequency transmission conductor and electrically connected to the second ground transmission conductor; a shielding shell, the second grounding left contact part and the second grounding right contact part are mutually abutted with the shielding shell to form a grounding loop.
Preferably, the USB a male connector further includes at least one insulating colloid for accommodating the first ground transmission conductor, the first high-frequency transmission conductor pair, the first low-frequency transmission conductor, the second high-frequency transmission conductor pair, the power transmission conductor, the second ground left-side extension base, and the second ground right-side extension base, and the insulating colloid is accommodated in the shielding shell.
Preferably, the USB a male connector further comprises at least one insulating colloid for accommodating the first ground transmission conductor, the first high frequency transmission conductor pair, the first low frequency transmission conductor, the second high frequency transmission conductor pair, the power transmission conductor, the second ground left side extension base, and the second ground right side extension base, wherein the first high frequency transmission conductor pair is disposed on one side of the first ground transmission conductor, the first low frequency transmission conductor is disposed on one side of the first high frequency transmission conductor pair, the second low frequency transmission conductor is disposed on one side of the first low frequency transmission conductor, the second high frequency transmission conductor pair is disposed on one side of the second low frequency transmission conductor, the power transmission conductor is disposed on one side of the second high frequency transmission conductor pair, and a first ground pin portion is disposed at one end of the first ground transmission conductor, a first high-frequency transmission conductor pin part pair positioned at one side of the first grounding pin part is arranged at one end of the first high-frequency transmission conductor pair, a second grounding left side extension pin part positioned at one side of the first high-frequency transmission conductor pin part pair is arranged at one end of the second grounding left side extension base part, a first low-frequency transmission conductor pin part positioned at one side of the second grounding left side extension pin part is arranged at one end of the first low-frequency transmission conductor, a second low-frequency transmission conductor pin part positioned at one side of the first low-frequency transmission conductor pin part is arranged at one end of the second grounding right side extension base part, a second grounding right side extension pin part positioned at one side of the second low-frequency transmission conductor pin part is arranged at one end of the second high-frequency transmission conductor pair, a second high-frequency transmission conductor pin part pair positioned at one side of the second grounding right side extension pin part is arranged at one end of the second high-frequency transmission conductor pair, one end of the power transmission conductor is provided with a power pin part which is positioned at one side opposite to the pin part of the second high-frequency transmission conductor.
A USB a male connector, comprising: a first grounding transmission conductor having a first grounding contact portion at one end; a first high-frequency transmission conductor pair provided at one end with a first high-frequency transmission conductor contact portion pair located at the rear of the first ground contact portion; a first low-frequency transmission conductor provided at one end with a first low-frequency transmission conductor contact portion arranged in parallel with the first ground contact portion; a second low-frequency transmission conductor provided at one end with a second low-frequency transmission conductor contact portion arranged in parallel with the first low-frequency transmission conductor contact portion; a second high-frequency transmission conductor pair provided at one end with a second high-frequency transmission conductor contact portion pair arranged in parallel with the first high-frequency transmission conductor contact portion pair; a power transmission conductor provided at one end with a power contact portion arranged in parallel with the second low-frequency transmission conductor contact portion and located in front of the second high-frequency transmission conductor contact portion pair; a second ground transmission conductor including a second ground intermediate contact portion located between the first low-frequency transmission conductor contact portion and the second low-frequency transmission conductor contact portion, a second ground left contact portion connected to the second ground intermediate contact portion and located on a side of the first ground contact portion facing away from the first low-frequency transmission conductor contact portion, and a second ground right contact portion connected to the second ground intermediate contact portion and located on a side of the power supply contact portion facing away from the second low-frequency transmission conductor contact portion; a shielding shell, the second grounding left contact part and the second grounding right contact part are mutually abutted with the shielding shell to form a grounding loop.
Furthermore, the USB a male connector further includes at least one insulating colloid for accommodating the first ground transmission conductor, the first high-frequency transmission conductor pair, the first low-frequency transmission conductor, the second high-frequency transmission conductor pair, the power transmission conductor, and the second ground transmission conductor, and the insulating colloid is accommodated in the shielding shell.
Furthermore, the USB A male connector further comprises at least one insulating colloid for accommodating the first grounding transmission conductor, the first high-frequency transmission conductor pair, the first low-frequency transmission conductor, the second high-frequency transmission conductor pair, the power transmission conductor and the second grounding transmission conductor, wherein the first high-frequency transmission conductor pair is arranged on one side of the first grounding transmission conductor, the first low-frequency transmission conductor is arranged on one side of the first high-frequency transmission conductor pair, the second low-frequency transmission conductor is arranged on one side of the first low-frequency transmission conductor, the second high-frequency transmission conductor pair is arranged on one side of the second low-frequency transmission conductor, the power transmission conductor is arranged on one side of the second high-frequency transmission conductor pair, in addition, a first grounding pin part is arranged at one end of the first grounding transmission conductor, a first high-frequency transmission conductor pin part pair arranged at one end of the first grounding pin part is arranged at one end of the first high-frequency transmission conductor pair, one end of the first low-frequency transmission conductor is provided with a first low-frequency transmission conductor pin part which is positioned on one side of the first high-frequency transmission conductor pin part, one end of the second low-frequency transmission conductor is provided with a second low-frequency transmission conductor pin part which is positioned on one side of the first low-frequency transmission conductor pin part, one end of the second high-frequency transmission conductor is provided with a second high-frequency transmission conductor pin part pair which is positioned on one side of the second low-frequency transmission conductor pin part, and one end of the power transmission conductor is provided with a power supply pin part which is positioned on one side of the second high-frequency transmission conductor pin part.
After the technical means is adopted, the invention can lead the noise to the shielding shell through the advantage that the second grounding left side contact part and the second grounding right side contact part can improve the noise interference resistance because of being connected with the shielding shell, so as to form the complete grounding function, specifically, when the first grounding transmission conductor, the first high frequency transmission conductor pair, the first low frequency transmission conductor, the second high frequency transmission conductor pair, the power transmission conductor, the second grounding left side extension base part, the second grounding right side extension base part and the grounding common pin part are electrically conducted, in addition to the power transmission of the power and the signal of the first grounding transmission conductor, the first high frequency transmission conductor pair, the first low frequency transmission conductor, the second grounding left side extension base part and the power transmission conductor, the second grounding left side contact part and the second grounding right side contact part of the second grounding transmission conductor are connected with each other in the operation process The shielding shell is connected, so that the high-frequency interference generated by the first high-frequency transmission conductor pair and the second high-frequency transmission conductor pair can be inhibited by the second grounding left side contact part and the second grounding right side contact part on one side, so that the noise is conducted to the shielding shell, and the advantage of better noise interference resistance is generated by utilizing more complete grounding.
By means of the technology, the problem that the high frequency of the conventional Type A USB connector cannot achieve the optimization purpose and the interference caused by the resonance of the electromagnetic wave radiation to the radio frequency is caused can be solved, and the advantages of the invention are achieved.
Drawings
Fig. 1 is a schematic diagram of a transmission conductor according to a preferred embodiment of the invention.
FIG. 2 is a noise shielding diagram according to a preferred embodiment of the present invention.
Fig. 3 is a perspective view of the preferred embodiment of the present invention.
Fig. 4 is an exploded perspective view of the preferred embodiment of the present invention.
FIG. 5 is a diagram illustrating noise steering according to a preferred embodiment of the present invention.
Fig. 6 is a schematic diagram of a transmission conductor according to a first preferred embodiment of the invention.
FIG. 7 is a schematic diagram of noise masking according to the first preferred embodiment of the present invention.
Fig. 8 is an exploded perspective view of the first preferred embodiment of the present invention.
Fig. 9 is a schematic diagram of a transmission conductor according to a second preferred embodiment of the invention.
FIG. 10 is a diagram illustrating noise masking according to a second embodiment of the present invention.
Fig. 11 is an exploded perspective view of a second preferred embodiment of the present invention.
Fig. 12 is a schematic diagram of a transmission conductor according to a third preferred embodiment of the invention.
FIG. 13 is a schematic diagram of noise masking according to a third preferred embodiment of the present invention.
Fig. 14 is an exploded perspective view of a third preferred embodiment of the present invention.
[ notation ] to show
First ground transmission conductors 1, 1a, 1b, 1c
First ground pin portions 12, 12b
First high-frequency transmission conductor pair 2, 2b
First pair of high-frequency transmission conductor contact portions 21
First high-frequency transmission conductor pin part pair 22b
First low-frequency transmission conductor 3, 3b
First low-frequency transmission conductor contact 31
First low-frequency transmission conductor pin portion 32b
Second low-frequency transmission conductor 4, 4b
Second low-frequency transmission conductor contact 41
Second low-frequency transmission conductor lead part 42b
Second high-frequency transmission conductor pair 5, 5b
Second pair of high-frequency transmission conductor contact portions 51
Second high-frequency transmission conductor pin part pair 52b
Power supply lead parts 62, 62b
Second ground transmission conductors 7, 7a, 7c
Second ground intermediate contact 71
Second grounded left contact 72
Second grounded right contact 73
Second grounded left extension base 74, 74a, 74b
Second grounded left-side extension lead part 741b
Second grounded right extension base 75, 75a, 75b
Second grounded right-side extended lead part 751b
Grounding common pin part 8
Insulating colloids 9, 9a, 9b, 9c
High frequency electromagnetic wave noise A.
Detailed Description
To achieve the above objects and advantages, the present invention provides a novel and improved technical means and structure, which will be described in detail in connection with the preferred embodiments of the present invention.
Referring to fig. 1, a schematic diagram of a transmission conductor according to a preferred embodiment of the present invention is shown, in which the present invention can be clearly seen to include:
a first grounding transmission conductor 1 having a first grounding contact portion 11 at one end and a first grounding pin portion 12 at the other end;
a first high-frequency transmission conductor pair 2 provided at one end with a first high-frequency transmission conductor contact portion pair 21, the first high-frequency transmission conductor contact portion pair 21 being located at the rear of the first ground contact portion 11;
a first low-frequency transmission conductor 3 provided at one end with a first low-frequency transmission conductor contact portion 31, the first low-frequency transmission conductor contact portion 31 being arranged in parallel with the first ground contact portion 11;
a second low-frequency transmission conductor 4 provided at one end with a second low-frequency transmission conductor contact portion 41, the second low-frequency transmission conductor contact portion 41 being arranged in parallel with the first low-frequency transmission conductor contact portion 31;
a second high-frequency transmission conductor pair 5 provided at one end with a second high-frequency transmission conductor contact portion pair 51, the second high-frequency transmission conductor contact portion pair 51 being arranged in parallel with the first high-frequency transmission conductor contact portion pair 21;
a power transmission conductor 6 provided with a power contact portion 61 at one end and a power lead portion 62 at the other end, the power contact portion 61 being arranged in parallel with the second low-frequency transmission conductor contact portion 41 and being located in front of the second high-frequency transmission conductor contact portion pair 51;
a second ground transmission conductor 7 including a second ground intermediate contact portion 71 located between the first low-frequency transmission conductor contact portion 31 and the second low-frequency transmission conductor contact portion 41, a second ground left contact portion 72 connected to the second ground intermediate contact portion 71 and located on a side of the first ground contact portion 11 facing away from the first low-frequency transmission conductor contact portion 31, and a second ground right contact portion 73 connected to the second ground intermediate contact portion 71 and located on a side of the power supply contact portion 61 facing away from the second low-frequency transmission conductor contact portion 41;
a second ground left extension base 74 provided between the first high-frequency transmission conductor pair 2 and the first low-frequency transmission conductor 3 and electrically connected to the second ground transmission conductor 7;
a second ground right-side extension base 75 provided between the second high-frequency transmission conductor pair 5 and the second low-frequency transmission conductor 4 and electrically connected to the second ground transmission conductor 7; and
a ground common pin portion 8 is connected to one end of the second ground left extension base portion 74 and the second ground right extension base portion 75.
Referring to fig. 1 and 2, a transmission conductor diagram and a noise shielding diagram according to a preferred embodiment of the present invention are shown, and it can be clearly seen from the drawings that when a first ground transmission conductor 1, a first high frequency transmission conductor pair 2, a first low frequency transmission conductor 3, a second low frequency transmission conductor 4, a second high frequency transmission conductor pair 5, a power transmission conductor 6, a second ground transmission conductor 7, a second ground left side extension base 74, and a second ground right side extension base 75 are connected to a pair of hand connectors, electrical conduction and operation are generated, at this time, the first high frequency transmission conductor pair 2 and the second high frequency transmission conductor pair 5 generate high frequency electromagnetic waves a to further perform noise interference on the surrounding first low frequency transmission conductor 3 and second low frequency transmission conductor 4, however, because the first ground transmission conductor 1 and the second ground left side extension base 74 are respectively disposed on both sides of the first high frequency transmission conductor pair 2 to form a surrounding state, the high-frequency electromagnetic wave noise a can be isolated to reduce the interference to the first low-frequency transmission conductor 3, and similarly, the power transmission conductor 6 and the second grounded right-side extension base 75 are respectively disposed on both sides of the second high-frequency transmission conductor pair 5 to form an enclosing state, so that the high-frequency electromagnetic wave noise a can be isolated to reduce the interference to the second low-frequency transmission conductor 4 (as shown in fig. 2).
Referring to fig. 1, 3 to 5, which are schematic diagrams of transmission conductors, schematic perspective diagrams to schematic noise guidance diagrams according to a preferred embodiment of the present invention, it can be clearly seen from the drawings that the first ground transmission conductor 1, the first high-frequency transmission conductor pair 2, the first low-frequency transmission conductor 3, the second low-frequency transmission conductor 4, the second high-frequency transmission conductor pair 5, the power transmission conductor 6, the second ground transmission conductor 7, the second ground left extension base 74, and the second ground right extension base 75 are commonly housed in an insulating colloid 9, the insulating colloid 9 is further housed in a shielding shell 91, and the second ground left contact portion 72 and the second ground right contact portion 73 are abutted against two inner side walls of the shielding shell 91, so as to form a ground loop. In addition, the first high frequency transmission conductor pair 2 is disposed on the first ground transmission conductor 1 side, the first low frequency transmission conductor 3 is disposed on the first high frequency transmission conductor pair 2 side, the second low frequency transmission conductor 4 is disposed on the first low frequency transmission conductor 3 side, the second high frequency transmission conductor pair 5 is disposed on the second low frequency transmission conductor 4 side, the power transmission conductor 6 is disposed on the second high frequency transmission conductor pair 5 side, the power pin portion 62 is disposed on the first ground pin portion 12 side, and the ground common pin portion 8 is disposed between the first ground pin portion 12 and the power pin portion 62, whereby when the first high frequency transmission conductor pair 2 and the second high frequency transmission conductor pair 5 generate high frequency electromagnetic wave noise a, the second ground left side contact portion 72 and the second ground right side contact portion 73 are abutted against both inner side walls of the shield case 91, so that the second ground left side extension base portion 74 and the second ground right side extension base portion 75 are more completely grounded, so as to have the advantage of better noise interference resistance.
Referring to fig. 6 to 8, which are schematic diagrams and exploded perspective views illustrating a transmission conductor according to a first preferred embodiment of the present invention, it is clearly seen that the difference between this embodiment and the above embodiments is that a pin part shared with ground is eliminated, so as to show the advantage of diversity of the present invention, the first grounding transmission conductor 1a, the power transmission conductor 6a, the second grounding transmission conductor 7a, the second grounding left extension base 74a, and the second grounding right extension base 75a can also achieve excellent interference resistance to the high-frequency electromagnetic wave noise A, while the common grounding pin is omitted, the common grounding pin can still be combined with the insulating colloid 9a, and the insulating colloid 9a can still be accommodated in the shielding shell 91a to form a grounding loop, and the rest parts are the same as those in the previous embodiment, so the description is omitted.
Referring to fig. 9 to 11, which are schematic and exploded perspective views illustrating a transmission conductor according to a second preferred embodiment of the present invention, it can be clearly seen from the drawings that a first ground pin portion 12b is disposed at one end of the first ground transmission conductor 1b, a first high-frequency transmission conductor pin portion pair 22b is disposed at one end of the first high-frequency transmission conductor pair 2b, a second ground left side extension pin portion 741b is disposed at one end of the second ground left side extension base portion 74b, a first low-frequency transmission conductor pin portion 32b is disposed at one end of the first low-frequency transmission conductor 3b, a second low-frequency transmission conductor pin portion 42b is disposed at one end of the second low-frequency transmission conductor 4b, a second grounded right-side extension pin portion 751b located on the second low-frequency transmission conductor pin portion 42b side is provided at one end of the second grounded right-side extension base portion 75b, a second high-frequency transmission conductor pin portion pair 52b located on the second grounded right-side extension pin portion 751b side is provided at one end of the second high-frequency transmission conductor pair 5b, and a power supply pin portion 62b located on the second high-frequency transmission conductor pin portion pair 52b side is provided at one end of the power supply transmission conductor 6 b. It can be seen that the difference between the first grounding lead portion 12b and the power lead portion 62b of the present embodiment is that the original volume is changed, and the grounding common lead portion is eliminated, so that the first grounding lead portion 12b, the first high-frequency transmission conductor lead portion pair 22b, the second grounding left-side extension lead portion 741b, the first low-frequency transmission conductor lead portion 32b, the second low-frequency transmission conductor lead portion 42b, the second grounding right-side extension lead portion 751b, the second high-frequency transmission conductor lead portion 52b and the power lead portion 62b are connected to the circuit board to form Surface Mount Technology (SMT), thereby showing the advantages of the present invention as diverse and versatile, and also achieving the excellent anti-interference effect of the high-frequency electromagnetic wave noise a, and in addition, the present embodiment can still be combined with the insulating colloid 9b, and the insulating colloid 9b can still be contained in the shielding case 91b to form a grounding loop, the advantage of better anti-interference is achieved.
Please refer to fig. 12 to 14, which are schematic diagrams and exploded perspective views of a transmission conductor according to a third preferred embodiment of the present invention, and it is clearly seen from the diagrams that the structure of the transmission conductor is substantially the same as that of the previous embodiment, and the difference lies in that the second grounded left extending base and the second grounded right extending base are eliminated, so that the present invention has the advantages of diversity, and the first grounded transmission conductor 1c, the power transmission conductor 6c, and the second grounded transmission conductor 7c can achieve the excellent anti-interference effect of the high-frequency electromagnetic wave noise a, and in addition, the transmission conductor can be combined with the insulating colloid 9c, and the insulating colloid 9c can be still contained in the shielding shell 91c to form a grounded loop, thereby achieving the advantage of better anti-interference, and the rest parts are the same as the previous embodiment, and therefore no further description is given.
Therefore, the technical key points of the USB a male connector of the present invention for improving the conventional use are:
first, the first high frequency transmission conductor pair 2 is surrounded by the first ground transmission conductor 1 and the second ground left extension base 74, and the second high frequency transmission conductor pair 5 is surrounded by the power transmission conductor 6 and the second ground right extension base 75, so that the high frequency electromagnetic wave noise a can be isolated and the interference to the first low frequency transmission conductor 3 and the second low frequency transmission conductor 4 can be reduced.
Second, the advantages of noise interference resistance can be improved by connecting the second grounding left contact portion 72 and the second grounding right contact portion 73 with the shielding case 91, so that the high frequency electromagnetic wave noise a can be guided onto the shielding case 91 to form a complete grounding function.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention should be construed as being covered by the appended claims and their equivalents.
In summary, the USB a male connector of the present invention can achieve its function and purpose when in use.
Claims (12)
1. A USB A male connector is characterized by mainly comprising:
a first grounding transmission conductor, having a first grounding contact portion at one end and a first grounding pin portion at the other end;
a first high-frequency transmission conductor pair provided at one end with a first high-frequency transmission conductor contact portion pair located at the rear of the first ground contact portion;
a first low-frequency transmission conductor provided at one end with a first low-frequency transmission conductor contact portion arranged in parallel with the first ground contact portion;
a second low-frequency transmission conductor provided at one end with a second low-frequency transmission conductor contact portion arranged in parallel with the first low-frequency transmission conductor contact portion;
a second high-frequency transmission conductor pair provided at one end with a second high-frequency transmission conductor contact portion pair arranged in parallel with the first high-frequency transmission conductor contact portion pair;
a power transmission conductor having a power contact portion at one end and a power pin portion at the other end, the power contact portion being arranged in parallel with the second low-frequency transmission conductor contact portion and located in front of the second high-frequency transmission conductor contact portion pair;
a second ground transmission conductor including a second ground intermediate contact portion located between the first low-frequency transmission conductor contact portion and the second low-frequency transmission conductor contact portion, a second ground left contact portion connected to the second ground intermediate contact portion and located on a side of the first ground contact portion facing away from the first low-frequency transmission conductor contact portion, and a second ground right contact portion connected to the second ground intermediate contact portion and located on a side of the power supply contact portion facing away from the second low-frequency transmission conductor contact portion;
a second grounded left-side extension base part arranged between the first high-frequency transmission conductor pair and the first low-frequency transmission conductor and electrically connected with the second grounded transmission conductor;
a second ground right-side extension base portion provided between the second high-frequency transmission conductor pair and the second low-frequency transmission conductor and electrically connected to the second ground transmission conductor; and
a ground common pin portion connected to one end of the second ground left extension base portion and the second ground right extension base portion;
a shielding shell, the second grounding left contact part and the second grounding right contact part are mutually abutted with the shielding shell to form a grounding loop.
2. The USB a male connector of claim 1, wherein: the shielding case is provided with a first grounding transmission conductor, a first high-frequency transmission conductor pair, a first low-frequency transmission conductor, a second high-frequency transmission conductor pair, a power transmission conductor, a second grounding left extending base and a second grounding right extending base.
3. The USB a male connector of claim 1, wherein: also includes at least one insulation colloid for accommodating the first grounding transmission conductor, the first high-frequency transmission conductor pair, the first low-frequency transmission conductor, the second high-frequency transmission conductor pair, the power transmission conductor, the second grounding left-side extension base and the second grounding right-side extension base, and the first high-frequency transmission conductor pair is arranged on one side of the first grounding transmission conductor, the first low-frequency transmission conductor is arranged at one side of the first high-frequency transmission conductor, the second low-frequency transmission conductor is arranged at one side of the first low-frequency transmission conductor, the second high-frequency transmission conductor pair is arranged at one side of the second low-frequency transmission conductor pair, the power transmission conductor is arranged at one side of the second high-frequency transmission conductor pair, and the power pin part is arranged at one side of the first grounding pin part, the grounding common pin part is disposed between the first grounding pin part and the power pin part.
4. A USB A male connector is characterized by mainly comprising:
a first grounding transmission conductor, having a first grounding contact portion at one end and a first grounding pin portion at the other end;
a first high-frequency transmission conductor pair provided at one end with a first high-frequency transmission conductor contact portion pair located at the rear of the first ground contact portion;
a first low-frequency transmission conductor provided at one end with a first low-frequency transmission conductor contact portion arranged in parallel with the first ground contact portion;
a second low-frequency transmission conductor provided at one end with a second low-frequency transmission conductor contact portion arranged in parallel with the first low-frequency transmission conductor contact portion;
a second high-frequency transmission conductor pair provided at one end with a second high-frequency transmission conductor contact portion pair arranged in parallel with the first high-frequency transmission conductor contact portion pair;
a power transmission conductor having a power contact portion at one end and a power pin portion at the other end, the power contact portion being arranged in parallel with the second low-frequency transmission conductor contact portion and located in front of the second high-frequency transmission conductor contact portion pair;
a second ground transmission conductor including a second ground intermediate contact portion located between the first low-frequency transmission conductor contact portion and the second low-frequency transmission conductor contact portion, a second ground left contact portion connected to the second ground intermediate contact portion and located on a side of the first ground contact portion facing away from the first low-frequency transmission conductor contact portion, and a second ground right contact portion connected to the second ground intermediate contact portion and located on a side of the power supply contact portion facing away from the second low-frequency transmission conductor contact portion;
a second grounded left-side extension base part arranged between the first high-frequency transmission conductor pair and the first low-frequency transmission conductor and electrically connected with the second grounded transmission conductor;
a second ground right-side extension base portion provided between the second high-frequency transmission conductor pair and the second low-frequency transmission conductor and electrically connected to the second ground transmission conductor;
a shielding shell, the second grounding left contact part and the second grounding right contact part are mutually abutted with the shielding shell to form a grounding loop.
5. The USB a male connector of claim 4, wherein: the shielding case is provided with a first grounding transmission conductor, a first high-frequency transmission conductor pair, a first low-frequency transmission conductor, a second high-frequency transmission conductor pair, a power transmission conductor, a second grounding left extending base and a second grounding right extending base.
6. The USB a male connector of claim 4, wherein: the power transmission device also comprises at least one insulating colloid for accommodating the first grounding transmission conductor, the first high-frequency transmission conductor pair, the first low-frequency transmission conductor, the second high-frequency transmission conductor pair, the power transmission conductor, the second grounding left side extension base part and the second grounding right side extension base part, wherein the first high-frequency transmission conductor pair is arranged on one side of the first grounding transmission conductor, the first low-frequency transmission conductor is arranged on one side of the first high-frequency transmission conductor pair, the second low-frequency transmission conductor is arranged on one side of the first low-frequency transmission conductor, the second high-frequency transmission conductor pair is arranged on one side of the second low-frequency transmission conductor, the power transmission conductor is arranged on one side of the second high-frequency transmission conductor pair, and the power pin part is arranged on one side of the first grounding pin part.
7. A USB A male connector is characterized by mainly comprising:
a first grounding transmission conductor having a first grounding contact portion at one end;
a first high-frequency transmission conductor pair provided at one end with a first high-frequency transmission conductor contact portion pair located at the rear of the first ground contact portion;
a first low-frequency transmission conductor provided at one end with a first low-frequency transmission conductor contact portion arranged in parallel with the first ground contact portion;
a second low-frequency transmission conductor provided at one end with a second low-frequency transmission conductor contact portion arranged in parallel with the first low-frequency transmission conductor contact portion;
a second high-frequency transmission conductor pair provided at one end with a second high-frequency transmission conductor contact portion pair arranged in parallel with the first high-frequency transmission conductor contact portion pair;
a power transmission conductor provided at one end with a power contact portion arranged in parallel with the second low-frequency transmission conductor contact portion and located in front of the second high-frequency transmission conductor contact portion pair;
a second ground transmission conductor including a second ground intermediate contact portion located between the first low-frequency transmission conductor contact portion and the second low-frequency transmission conductor contact portion, a second ground left contact portion connected to the second ground intermediate contact portion and located on a side of the first ground contact portion facing away from the first low-frequency transmission conductor contact portion, and a second ground right contact portion connected to the second ground intermediate contact portion and located on a side of the power supply contact portion facing away from the second low-frequency transmission conductor contact portion;
a second grounded left-side extension base part arranged between the first high-frequency transmission conductor pair and the first low-frequency transmission conductor and electrically connected with the second grounded transmission conductor;
a second ground right-side extension base portion provided between the second high-frequency transmission conductor pair and the second low-frequency transmission conductor and electrically connected to the second ground transmission conductor;
a shielding shell, the second grounding left contact part and the second grounding right contact part are mutually abutted with the shielding shell to form a grounding loop.
8. The USB a male connector of claim 7, wherein: the shielding case is provided with a first grounding transmission conductor, a first high-frequency transmission conductor pair, a first low-frequency transmission conductor, a second high-frequency transmission conductor pair, a power transmission conductor, a second grounding left extending base and a second grounding right extending base.
9. The USB a male connector of claim 7, wherein: the power transmission device further comprises at least one insulating colloid for accommodating the first grounding transmission conductor, the first high-frequency transmission conductor pair, the first low-frequency transmission conductor, the second high-frequency transmission conductor pair, the power transmission conductor, the second grounding left-side extending base part and the second grounding right-side extending base part, wherein the first high-frequency transmission conductor pair is arranged on one side of the first grounding transmission conductor, the first low-frequency transmission conductor is arranged on one side of the first high-frequency transmission conductor pair, the second low-frequency transmission conductor is arranged on one side of the first low-frequency transmission conductor, the second high-frequency transmission conductor pair is arranged on one side of the second low-frequency transmission conductor, the power transmission conductor is arranged on one side of the second high-frequency transmission conductor pair, a first grounding pin part is arranged at one end of the first grounding transmission conductor pair, and a first high-frequency transmission conductor arranged on one side of the first grounding pin part is arranged at one end of the first high-frequency transmission conductor pair A pair of lead portions, a second grounded left-side extended lead portion located on the opposite side of the first high-frequency transmission conductor lead portion is provided at one end of the second grounded left-side extended base portion, a first low-frequency transmission conductor pin part positioned at one side of the second grounded left extension pin part is arranged at one end of the first low-frequency transmission conductor, a second low-frequency transmission conductor pin part positioned at one side of the first low-frequency transmission conductor pin part is arranged at one end of the second low-frequency transmission conductor, a second grounding right side extension pin part positioned at one side of the second low-frequency transmission conductor pin part is arranged at one end of the second grounding right side extension base part, a second high-frequency transmission conductor pin part pair positioned at one side of the second grounding right-side extension pin part is arranged at one end of the second high-frequency transmission conductor pin part pair, one end of the power transmission conductor is provided with a power pin part which is positioned at one side opposite to the pin part of the second high-frequency transmission conductor.
10. A USB A male connector is characterized by mainly comprising:
a first grounding transmission conductor having a first grounding contact portion at one end;
a first high-frequency transmission conductor pair provided at one end with a first high-frequency transmission conductor contact portion pair located at the rear of the first ground contact portion;
a first low-frequency transmission conductor provided at one end with a first low-frequency transmission conductor contact portion arranged in parallel with the first ground contact portion;
a second low-frequency transmission conductor provided at one end with a second low-frequency transmission conductor contact portion arranged in parallel with the first low-frequency transmission conductor contact portion;
a second high-frequency transmission conductor pair provided at one end with a second high-frequency transmission conductor contact portion pair arranged in parallel with the first high-frequency transmission conductor contact portion pair;
a power transmission conductor provided at one end with a power contact portion arranged in parallel with the second low-frequency transmission conductor contact portion and located in front of the second high-frequency transmission conductor contact portion pair;
a second ground transmission conductor including a second ground intermediate contact portion located between the first low-frequency transmission conductor contact portion and the second low-frequency transmission conductor contact portion, a second ground left contact portion connected to the second ground intermediate contact portion and located on a side of the first ground contact portion facing away from the first low-frequency transmission conductor contact portion, and a second ground right contact portion connected to the second ground intermediate contact portion and located on a side of the power supply contact portion facing away from the second low-frequency transmission conductor contact portion;
a shielding shell, the second grounding left contact part and the second grounding right contact part are mutually abutted with the shielding shell to form a grounding loop.
11. The USB a male connector of claim 10, wherein: the shielding shell is provided with a first grounding transmission conductor, a first high-frequency transmission conductor pair, a first low-frequency transmission conductor, a second high-frequency transmission conductor pair, a power transmission conductor and a second grounding transmission conductor.
12. The USB a male connector of claim 10, wherein: the power transmission device also comprises at least one insulating colloid for accommodating the first grounding transmission conductor, the first high-frequency transmission conductor pair, the first low-frequency transmission conductor, the second high-frequency transmission conductor pair, the power transmission conductor and the second grounding transmission conductor, wherein the first high-frequency transmission conductor pair is arranged on one side of the first grounding transmission conductor, the first low-frequency transmission conductor is arranged on one side of the first high-frequency transmission conductor pair, the second low-frequency transmission conductor is arranged on one side of the first low-frequency transmission conductor, the second high-frequency transmission conductor pair is arranged on one side of the second low-frequency transmission conductor, the power transmission conductor is arranged on one side of the second high-frequency transmission conductor pair, in addition, one end of the first grounding transmission conductor is provided with a first grounding pin part, one end of the first high-frequency transmission conductor pair is provided with a first high-frequency transmission conductor pin part pair positioned on one side of the first grounding pin part, one end of the first low-frequency transmission conductor is provided with a first low-frequency transmission conductor pin part which is positioned on one side of the first high-frequency transmission conductor pin part, one end of the second low-frequency transmission conductor is provided with a second low-frequency transmission conductor pin part which is positioned on one side of the first low-frequency transmission conductor pin part, one end of the second high-frequency transmission conductor is provided with a second high-frequency transmission conductor pin part pair which is positioned on one side of the second low-frequency transmission conductor pin part, and one end of the power transmission conductor is provided with a power supply pin part which is positioned on one side of the second high-frequency transmission conductor pin part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810985420.8A CN110867683A (en) | 2018-08-28 | 2018-08-28 | USB A male connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810985420.8A CN110867683A (en) | 2018-08-28 | 2018-08-28 | USB A male connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110867683A true CN110867683A (en) | 2020-03-06 |
Family
ID=69651174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810985420.8A Pending CN110867683A (en) | 2018-08-28 | 2018-08-28 | USB A male connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110867683A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080261448A1 (en) * | 2007-04-20 | 2008-10-23 | Chong Yi | Extension/expansion to Universal Serial Bus connector |
| TWM442622U (en) * | 2012-07-04 | 2012-12-01 | Kuang Ying Comp Equipment Co | Usb male contact connector improvement |
| CN202872015U (en) * | 2012-09-14 | 2013-04-10 | 广迎工业股份有限公司 | Improved structure for USB male connector |
| CN103050841A (en) * | 2012-12-19 | 2013-04-17 | 庄景松 | Electric socket connector with universal serial port |
| CN206059724U (en) * | 2016-09-23 | 2017-03-29 | 东莞市超讯电子有限公司 | A kind of structure-improved of 3.1 Type C males of USB |
-
2018
- 2018-08-28 CN CN201810985420.8A patent/CN110867683A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080261448A1 (en) * | 2007-04-20 | 2008-10-23 | Chong Yi | Extension/expansion to Universal Serial Bus connector |
| TWM442622U (en) * | 2012-07-04 | 2012-12-01 | Kuang Ying Comp Equipment Co | Usb male contact connector improvement |
| CN202872015U (en) * | 2012-09-14 | 2013-04-10 | 广迎工业股份有限公司 | Improved structure for USB male connector |
| CN103050841A (en) * | 2012-12-19 | 2013-04-17 | 庄景松 | Electric socket connector with universal serial port |
| CN206059724U (en) * | 2016-09-23 | 2017-03-29 | 东莞市超讯电子有限公司 | A kind of structure-improved of 3.1 Type C males of USB |
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