CN202487900U - Connector circuit-board line layout structure with circuit board - Google Patents
Connector circuit-board line layout structure with circuit board Download PDFInfo
- Publication number
- CN202487900U CN202487900U CN2012200431827U CN201220043182U CN202487900U CN 202487900 U CN202487900 U CN 202487900U CN 2012200431827 U CN2012200431827 U CN 2012200431827U CN 201220043182 U CN201220043182 U CN 201220043182U CN 202487900 U CN202487900 U CN 202487900U
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- Prior art keywords
- circuit
- circuit board
- substrate
- ground connection
- wiring
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- Expired - Fee Related
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- Coupling Device And Connection With Printed Circuit (AREA)
- Combinations Of Printed Boards (AREA)
Abstract
The utility model provides a connector circuit-board line layout structure with a circuit board. The circuit board is provided with at least a baseboard, and a surface of the baseboard is provided with a plurality of lines, a plurality of connecting points, a plurality of first welding parts and a plurality of second welding parts. Besides, four elastic terminals which are of a universal serial bus (USB) 2.0 specification are welded to each first welding part and combined with five connecting points on the baseboard to meet a USB 3.0 specification. The four elastic terminals and the five connecting points are connected with nine second welding parts through the lines to form an electrical conduction path, wherein the nine second welding parts are provided with preset connecting terminals. The circuit board is provided with at least a layer of ground layer which installed on the surface of the baseboard, and the ground layer and grounding wiring of the lines form a common ground loop. An area of the ground layer in the orthographic projection direction is the area formed by the grounding wiring covering the lines connected with each connecting point and each signal wiring at two sides of the grounding wiring, and signal interference can be reduced by adding the area in accordance with actual situations, so that signal transmission quality is stable and reliable.
Description
Technical field
The utility model provides a kind of connector circuit printed line road layout structure of tool circuit board; Especially refer on the circuit board surface for being provided with the ground plane that forms a common grounded circuit with the ground connection wiring of circuit; And can increase area according to actual conditions and reduce signal and disturb, and then make signal transmission quality more stable and reliably.
Background technology
Electronics technology is fast-developing now; Make the kenel of computer for to develop into volume notebook computer less, easy to carry by desktop computer; And each corner in the ubiquity society, when the user desires to carry out the transmission of data, signal or is connected with other interface equipment, promptly need so-called peripheral equipment interface; Use and generally the peripheral equipment interface is the most generally and widely popular on the market, still with USB (USB) as main flow.
Moreover, along with computer or notebook computer development trend, the connector of computer-internal is also significantly dwindled thereupon, but connector promptly need be considered the signal interference problem that its galvanomagnetic effect produces in the computer downsizing; And the Electromagnetic Interference that generally can influence connector can be divided into following two kinds haply; One of which is for mainly transferring to the conducted interference (Conducted Disturbance) that connector produces via conductors such as the power circuit on the circuit board, signal lines, and (Radiated Disturbance) disturbed in its two radiation of being caused for the radiation space that is transmitted to the electromagnetic wave form around the connector; In addition; Along with USB3.0 connector transmission speed significantly promotes; Its conducting terminal number increases and is densely distributed; As easy as rolling off a log because of between terminals of adjacent too near or terminal have any turnover or crooked signal when causing high-frequency signal transmission to disturb (like the cross-talk of electrostatic interference, Electromagnetic Interference, impedance matching, noise jamming, adjacent conductive terminal etc.); The circuit impedance of USB3.0 connector and system board interface (Z) must be complementary; Must could effectively reduce electromagnetic interference (EMI) under the situation of this condition and reduce noise (noise) and disturb satisfying, can correctly carry out the signal transmission between USB3.0 connector and system board interface thereby make, to avoid influencing the whole normal operation of electronic installation (like computer, the network equipment etc.).
In addition; The hyoplastron of general circuit template formula design uses the structure that is all the plane at the Copper Foil contact mostly; If when being applied to the socket connector of USB3.0; Its circuit board line layout type generally is that signal two sides of required butt joint are directly electrically connected with wiring, promptly on the circuit board for having five Copper Foil contacts of USB3.0 signal, be respectively the first differential signal group, the second differential signal group and an earth point; The USB2.0 signal then has four Copper Foil contacts; Be respectively one group of signal transmission group and a pair of power supply export into ground connection, and then be when being connected on the circuit board combination hub contact jaw and the corresponding signal contact of acquiescence mainboard inserted terminal two sides are connected by the line layout on the circuit board, are easy to make though the mode of this kind circuit board line wiring is simple; But because of its line layout mode is not considered the interference that signal or high-frequency signal are produced when in wiring, transmitting; And different transmission speeds (like USB3.0 signal and USB2.0 signal) wiring cross-talk and loss each other, and can't effectively reach quick inhibition or remove noise and the interference that is produced when the USB3.0 signal transmits, be the direction place of engaging in this journey improvement that the dealer desires most ardently.
The utility model content
The creator is because problem and the shortcoming that available circuit printed line road layout structure uses; Be to collect related data via assessing in many ways and considering; And utilize the research and development experience for many years of engaging in the industry constantly to study and revise, the beginning is designed the novel birth of connector circuit printed line road layout structure of this kind tool circuit board.
The main purpose of the utility model is to be, a kind of connector circuit printed line road layout structure of tool circuit board is provided, and it can make signal transmission quality more stable and reliable.
The utility model provides a kind of connector circuit printed line road layout structure of tool circuit board; Include circuit board and a plurality of flexible terminal; Wherein at least one substrate surface of this circuit board institute tool for being provided with a plurality of circuits, contact, first weld part and second weld part; And on each first weld part for being welded with flexible terminal; And a plurality of second weld part places on substrate are welded with preset splicing ear; The flexible terminal of four USB2.0 specifications adds that five contacts then meet the USB3.0 specification on the substrate, and each flexible terminal and contact form electrical conducting path for be connected to nine second weld part places that are welded with preset splicing ear through circuit, it is characterized in that:
The circuit that five contact central portion branch on this circuit board connect is the ground connection wiring; And ground connection each two circuit that contact connected of two sides that connect up are signal routing; The circuit that other four flexible terminal two sides are connected is respectively positive source wiring and minus earth wiring; The circuit that its two flexible terminal of central authorities is connected then is signal routing; Circuit board is positioned at substrate surface and is provided with the ground plane that the ground connection wiring of one deck and circuit at least forms a common grounded circuit again, and the area of ground plane orthographic projection direction is that the ground connection of containing circuit is connected up and ground connection each signal routing of two sides that connects up.
Wherein on the substrate surface of this circuit board for being provided with a plurality of perforation, and each perforation place correspondence is provided with the flexible terminal of tool cantilever and contact site.
Wherein be to be provided with the through hole that at least one ground connection that can supply ground plane and circuit wiring forms a common grounded circuit on the substrate surface of this circuit board.
Wherein each is all identical with the signal routing length and the width of circuit to the signal transmission on this circuit board.
Wherein this circuit board is for having two substrates; And form a common grounded circuit in ground connection wiring that five contact central portion branch on the substrate wherein connect and ground plane on another substrate, and positive source wiring and minus earth wiring that four flexible terminal two sides are connected are positioned at the ground plane spaced-apart locations on substrate homonymy or another substrate difference side surfaces.
Wherein this circuit board is for having two substrates, and on substrate, is respectively equipped with one deck ground plane at least.
Wherein this circuit board is for having three substrates; And form a common grounded circuit in ground connection wiring that five contact central portion branch on the bottom first substrate connect and ground plane on central second substrate, and the positive source that four flexible terminals institute connects respectively connects up, minus earth connects up and signal routing then is positioned at the superiors the 3rd substrate surface position.
Wherein this circuit board is for having four substrates; And the ground connection wiring that five contact central portion branch on the bottom first substrate connect forms a common grounded circuit with ground plane; Ground connection each two signal routing that contact connected of two sides that connect up then are positioned at the second substrate surface position; And the ground connection on first substrate wiring forms a common grounded circuit with ground plane on second substrate, and the positive source that connects respectively of four flexible terminals institute connects up in addition, minus earth connects up and signal routing is positioned at the superiors' tetrabasal surface location.
The beneficial effect of the utility model is: can make signal transmission quality more stable and reliable.
Description of drawings
For reaching above-mentioned purpose and effect, technological means that the utility model adopted and structure thereof, below in conjunction with preferred embodiment detailed and description of drawings as after, wherein:
Fig. 1 is the stereo appearance figure for the utility model.
Fig. 2 is the three-dimensional exploded view for the utility model.
Fig. 3 is the stereo appearance figure for another visual angle of the utility model.
Fig. 4 a-Fig. 4 b is the plane graph for first preferred embodiment of the utility model circuit board.
Fig. 5 a-Fig. 5 b is the plane graph for second preferred embodiment of the utility model circuit board.
Fig. 6 a-Fig. 6 b is the plane graph for the 3rd preferred embodiment of the utility model circuit board.
Fig. 7 a-Fig. 7 c is the plane graph for the 4th preferred embodiment of the utility model circuit board.
Fig. 8 a-Fig. 8 d is the plane graph for the 5th preferred embodiment of the utility model circuit board.
Fig. 9 is the three-dimensional exploded view for the utility model the 6th preferred embodiment.
Figure 10 is the side cutaway view for the utility model the 6th preferred embodiment.
Embodiment
See also shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 a-Fig. 4 b; Be stereo appearance figure, three-dimensional exploded view, the stereo appearance figure at another visual angle and the plane graph of circuit board first preferred embodiment that is respectively the utility model; Find out by knowing among the figure; The utility model is for including circuit board 1, a plurality of flexible terminal 2 and splicing ear 3; Wherein this circuit board 1 is for having at least one substrate 11; And be provided with a plurality of perforation 10, circuit 12, contact 13, first weld part 14 and second weld part 15 in substrate 11 surfaces; It is positioned at the flexible terminal 2 that the 10 place's correspondences of respectively boring a hole are provided with the contact site 23 of tool cantilever 22 and court's inside turnover in perforation 10 positions, and the welding ends 21 of each flexible terminal 2 is on first weld part 14 that is welded in circuit board 1 correspondence respectively, in addition; A plurality of second weld parts 15 places at substrate 11 rears all are welded with the welding ends 31 of splicing ear 3; Four flexible terminals 2 on its substrate 11 are for meeting the USB2.0 specification, and four flexible terminals 2 add five contacts 13 in upper substrate 11 the place aheads then for meeting the USB3.0 specification, and four flexible terminals 2 and five contacts 13 form electrical conducting path for nine second weld part 15 places that are connected to the rear through the circuit on the substrate 11 12 and are welded with splicing ear 3.
Moreover; On at least one substrate 11 of foregoing circuit plate 1 for having five contacts 13 and four flexible terminals 2; And the circuit 12 of five contact 13 central portion branch connections is ground connection wiring 121; Ground connection each the circuit 12 that two contacts 13 connected of 121 2 sides that connects up then is signal routing 122; The circuit 12 that other four flexible terminal 2 two sides are connected is respectively positive source wiring 123 and minus earth wiring 124; 12 in the circuit that its two flexible terminal 2 of central authorities is connected is signal routing 125; Circuit board 1 is positioned at least one substrate 11 surfaces and goes up to being provided with one deck ground plane 16 at least again, and the ground connection wiring 121 of at least one through hole 111 of establishing through ground plane 16 places and circuit 12 forms a common grounded circuit, and the area of ground plane 16 orthographic projection directions is that the ground connection of containing circuit 12 middle bodies connects up 121 and ground connection each signal routing 122 of 121 2 sides that connects up.
Yet; The welding ends 21,31 of the utility model flexible terminal 2 and splicing ear 3 respectively with circuit board 1 on a plurality of first weld parts 14, second weld part, 15 ways of connecting be to utilize perforation (Through Hole) welding manner to carry out; But when practical application; Also the consideration in the visual structure design selects to utilize surface mount technology (SMT) or perforation (Through Hole) welding manner to form electric connection respectively; And because of the structural design mode of flexible terminal 2 is a lot, its cantilever 22 and contact site 23 also can carry out multistage bending, are difficult for causing deformation or off normal with the stress that disperses flexible terminal 2 to be squeezed to be produced; Above-mentioned simple and easy modification and equivalent structure change, and all should in like manner be contained in the claim of the utility model.
See also shown in Fig. 5 a-Fig. 5 b; It is plane graph for second preferred embodiment of the utility model circuit board; Find out by knowing among the figure; Wherein this circuit board 1 is for having 11 groups of patterns that constitute the pair of lamina circuit board of two substrates; And be to form a common grounded circuit through through hole 111 and ground plane 16 on another substrate 11 in the ground connection wiring 121 that five contacts, the 13 central portion branch on the substrate 11 wherein connect, and the positive source that connected of four flexible terminal 2 two sides connects up 123 and minus earth 124 ground plane 16 spaced-apart locations that are positioned on substrate 11 homonymies or another substrate 11 different side surfaces that connect up.
When contact of using when circuit board 1 transmission signals 13 and flexible terminal 2 transmit high-frequency signals; Ground plane 16 induced absorption that mutual formed Electromagnetic Interference can be connected through through hole 111 by the central contact 13 of grounding function and its circuit 12 ground connection wiring 121; And guide the splicing ear 3 that transfers to the rear by circuit 12 and carry out ground connection release; Interference such as Electromagnetic Interference (EMI) when transmitting and cross-talk with effective reduction signal; And the ground plane 16 on wiring 121 of the ground connection of circuit 12 center-point earth functions and the substrate 11 also can increase area according to actual conditions and reduce the signal interference, and then makes signal transmission quality more stable and reliable.
See also shown in Fig. 6 a-Fig. 6 b; It is plane graph for the 3rd preferred embodiment of the utility model circuit board; By knowing and find out among the figure, wherein on two of this circuit board 1 substrates 11 for being respectively equipped with one deck ground plane 16 at least, and the ground connection wiring 121 formation one common grounded circuit of a plurality of through holes 111 of establishing through ground plane 16 places and circuit 12; In addition; Circuit impedance (Z) between USB3.0 connector and system board interface must be complementary and could reduce frequency electromagnetic waves (EMI) interference and reduce noise (noise) interference, and make and correctly carry out the signal transmission between USB3.0 connector and the system board interface, so; Each is all identical with signal routing 122,125 length and the width of circuit 12 to the signal transmission on the substrate 11 in the utility model embodiment; Reaching impedance matching effect, and each all can be according to the length and the width of the actual needs adjustment signal routing 122,125 of impedance matching with circuit 12 to the signal transmission, thereby realizes the purpose of circuit 12 impedance matchings optimization.
See also shown in Fig. 7 a-Fig. 7 c; It is plane graph for the 4th preferred embodiment of the utility model circuit board; Find out by knowing among the figure; Wherein this circuit board 1 is for having 11 groups of patterns that constitute a multilayer circuit board of three substrates; And form a common grounded circuit in ground connection wiring 121 that five contacts, the 13 central portion branch on the bottom first substrate 11 connect through through hole 111 and ground plane 16 on central second substrate 11, and four 2 of flexible terminals the positive sources wiring 123, the minus earth that connect respectively connect up 124 and 125 of signal routings be positioned at the superiors' the 3rd substrate 11 surface locations.
See also shown in Fig. 8 a-Fig. 8 d; It is plane graph for the 5th preferred embodiment of the utility model circuit board; Find out by knowing among the figure; Wherein this circuit board 1 is for having 11 groups of patterns that constitute a four-layer circuit board of four substrates; And the ground connection wiring 121 that five contacts, the 13 central portion branch on the bottom first substrate 11 connect forms a common grounded circuit with ground plane 16; The ground connection signal routing 122 that each two contact 13 of 121 2 sides are connected that connects up then is positioned at second substrate, 11 surface locations; And the ground connection on first substrate 11 wiring 121 forms a common grounded circuit for pass second substrate, 11 backs through through hole 111 with ground plane 16 on the 3rd substrate 11, in addition the positive sources wiring 123, the minus earth that connect respectively of four 2 of flexible terminals connect up 124 and 125 of signal routings be positioned at the superiors' tetrabasal 11 surface locations.
Please consult Fig. 3, Fig. 4 a-Fig. 4 b, Fig. 9, shown in Figure 10 simultaneously; Be the stereo appearance figure that is respectively another visual angle of the utility model, the plane graph of circuit board first preferred embodiment, the three-dimensional exploded view and the side cutaway view of the 6th preferred embodiment; Find out by knowing among the figure; The utility model is preferable to be embodied as on the connector that is applied to the tool circuit board, right, if when being applied to USB connector and serving as explanation; Can earlier circuit board 1, a plurality of flexible terminal 2 and splicing ear be constituted a signal filtering module for 3 groups; Refill and be located at USB connector inside and be combined into one, wherein place, pedestal 41 the place aheads of the insulating base frame 4 of this USB connector institute tool is for being provided with at least one hyoplastron 42, and is provided with at least one thread emptying aperture 421 and five holes 422 in emptying aperture 421 the place aheads in detail in hyoplastron 42 surfaces; And place, pedestal 41 bottom sides is provided with the dividing plate 43 of a plurality of open-works 431 of tool, in the insulating base frame 4 outside location that coat shield shell 5 is arranged again.
The circuit board 1 of the utility model signal filtering module is for being installed in hyoplastron 42 inside of insulating base frame 4; And the contact site 23 of each flexible terminal 2 is for protruding from thread emptying aperture 421 places of hyoplastron 42; And each contact 13 on the circuit board 1 is corresponding to hole 422 positions; And make 32 open-works 431 of inserted terminal at place, a plurality of splicing ears 3 belows be crossing to the outside by correspondence on the dividing plate 43, form electric connection again with after the solid welding of acquiescence circuit board, and can be for further being connected with the electronic component (not shown) on circuit board 1; And this electronic component can be choking-winding (CNC), resistance or electric capacity; In order to using with the unnecessary noise of electronic component filtering, high-frequency electromagnetic wave interference, only, said embodiment is not in order to limit the claim of the utility model; All other do not break away from equalization that technical spirit that the utility model discloses accomplished down to be changed and modifies change, all should be contained in the claim scope that the utility model contains.
In sum, the connector circuit printed line road layout structure of the utility model tool circuit board for reaching its effect and purpose really, so the utility model really is the excellent creation of a practicality, meets the application condition of novel patent, so file an application in accordance with the law in fact.
Claims (8)
1. the connector circuit printed line road layout structure of a tool circuit board; Include circuit board and a plurality of flexible terminal; Wherein at least one substrate surface of this circuit board institute tool for being provided with a plurality of circuits, contact, first weld part and second weld part; And for being welded with flexible terminal, and a plurality of second weld part places on substrate are welded with preset splicing ear on each first weld part, and the flexible terminal of four USB2.0 specifications adds that five contacts then meet the USB3.0 specification on the substrate; And each flexible terminal and contact form electrical conducting path for be connected to nine second weld part places that are welded with preset splicing ear through circuit, it is characterized in that:
The circuit that five contact central portion branch on this circuit board connect is the ground connection wiring; And ground connection each two circuit that contact connected of two sides that connect up are signal routing; The circuit that other four flexible terminal two sides are connected is respectively positive source wiring and minus earth wiring; The circuit that its two flexible terminal of central authorities is connected then is signal routing; Circuit board is positioned at substrate surface and is provided with the ground plane that the ground connection wiring of one deck and circuit at least forms a common grounded circuit again, and the area of ground plane orthographic projection direction is that the ground connection of containing circuit is connected up and ground connection each signal routing of two sides that connects up.
2. the connector circuit printed line road layout structure of tool circuit board as claimed in claim 1 is characterized in that, wherein on the substrate surface of this circuit board for being provided with a plurality of perforation, and each perforation place correspondence is provided with the flexible terminal of tool cantilever and contact site.
3. the connector circuit printed line road layout structure of tool circuit board as claimed in claim 1 is characterized in that, wherein on the substrate surface of this circuit board is to be provided with the through hole that at least one ground connection that can supply ground plane and circuit wiring forms a common grounded circuit.
4. the connector circuit printed line road layout structure of tool circuit board as claimed in claim 1 is characterized in that, wherein each is all identical with the signal routing length and the width of circuit to the signal transmission on this circuit board.
5. the connector circuit printed line road layout structure of tool circuit board as claimed in claim 1; It is characterized in that; Wherein this circuit board is for having two substrates; And form a common grounded circuit in ground connection wiring that five contact central portion branch on the substrate wherein connect and ground plane on another substrate, and positive source wiring and minus earth wiring that four flexible terminal two sides are connected are positioned at the ground plane spaced-apart locations on substrate homonymy or another substrate difference side surfaces.
6. the connector circuit printed line road layout structure of tool circuit board as claimed in claim 1 is characterized in that, wherein this circuit board is for having two substrates, and on substrate, is respectively equipped with one deck ground plane at least.
7. the connector circuit printed line road layout structure of tool circuit board as claimed in claim 1; It is characterized in that; Wherein this circuit board is for having three substrates; And form a common grounded circuit in ground connection wiring that five contact central portion branch on the bottom first substrate connect and ground plane on central second substrate, and the positive source that four flexible terminals institute connects respectively connects up, minus earth connects up and signal routing then is positioned at the superiors the 3rd substrate surface position.
8. the connector circuit printed line road layout structure of tool circuit board as claimed in claim 1; It is characterized in that; Wherein this circuit board is for having four substrates; And the ground connection wiring that five contact central portion branch on the bottom first substrate connect forms a common grounded circuit with ground plane; Ground connection each two signal routing that contact connected of two sides that connect up then are positioned at the second substrate surface position, and the wiring of the ground connection on first substrate forms a common grounded circuit with ground plane on second substrate, and the positive source that connects respectively of four flexible terminals institute connects up in addition, minus earth connects up and signal routing is positioned at the superiors' tetrabasal surface location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200431827U CN202487900U (en) | 2012-02-10 | 2012-02-10 | Connector circuit-board line layout structure with circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200431827U CN202487900U (en) | 2012-02-10 | 2012-02-10 | Connector circuit-board line layout structure with circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202487900U true CN202487900U (en) | 2012-10-10 |
Family
ID=46962291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200431827U Expired - Fee Related CN202487900U (en) | 2012-02-10 | 2012-02-10 | Connector circuit-board line layout structure with circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202487900U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8874819B2 (en) * | 2011-05-16 | 2014-10-28 | Action Star Enterprise Co., Ltd. | USB connection cable |
| CN106292847A (en) * | 2015-05-22 | 2017-01-04 | 鸿富锦精密工业(武汉)有限公司 | Mainboard |
| CN107710513A (en) * | 2015-07-21 | 2018-02-16 | 定点连接系统股份有限公司 | High speed plug |
| CN111430955A (en) * | 2020-03-27 | 2020-07-17 | 中航光电科技股份有限公司 | Cable connector |
-
2012
- 2012-02-10 CN CN2012200431827U patent/CN202487900U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8874819B2 (en) * | 2011-05-16 | 2014-10-28 | Action Star Enterprise Co., Ltd. | USB connection cable |
| CN106292847A (en) * | 2015-05-22 | 2017-01-04 | 鸿富锦精密工业(武汉)有限公司 | Mainboard |
| CN106292847B (en) * | 2015-05-22 | 2019-03-08 | 鸿富锦精密工业(武汉)有限公司 | Mainboard |
| CN107710513A (en) * | 2015-07-21 | 2018-02-16 | 定点连接系统股份有限公司 | High speed plug |
| CN111430955A (en) * | 2020-03-27 | 2020-07-17 | 中航光电科技股份有限公司 | Cable connector |
| CN111430955B (en) * | 2020-03-27 | 2021-11-09 | 中航光电科技股份有限公司 | Cable connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20140210 |