CN204191020U - A kind of on-broad communication station bus mainboard - Google Patents
A kind of on-broad communication station bus mainboard Download PDFInfo
- Publication number
- CN204191020U CN204191020U CN201420735889.3U CN201420735889U CN204191020U CN 204191020 U CN204191020 U CN 204191020U CN 201420735889 U CN201420735889 U CN 201420735889U CN 204191020 U CN204191020 U CN 204191020U
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- rigid
- communication station
- flex pcb
- rectangular connector
- station bus
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Abstract
The utility model provides a kind of on-broad communication station bus mainboard, this mainboard comprises rigid-flex PCB and rectangular connector, described rigid-flex PCB is bar shaped, with rigid-flex PCB length direction be longitudinal direction, Width is for transverse direction, rigid-flex PCB is longitudinally divided into rigid section and flexible section, and described rectangular connector is transversely welded on rigid section.The utility model pliability is higher, and can not produce the problem of loose contact; More firm with functional module inserting; And can not misplug; Big current, small area analysis can integrate with a mainboard conveying.
Description
Technical field
The utility model relates to bus mainboard, especially relates to a kind of on-broad communication station bus mainboard.
Background technology
Existing on-broad communication station mostly adopts modular construction, as shown in Figure 1, is cross-linked between each functional module 1 by bus 2.Bus signals generally comprises: small area analysis signal; The line communication signal such as Uart, LVDS, SPI; Universal input output signal (GPIO); Clock signal; Various control signals etc.And the big current signal path of power supply to the device generally uses other wires 3 outside bus to connect.Due to employing is modular construction form, the relative position of each functional module and bus inserting connector can not be accomplished very accurate by the restriction of constitutional detail machining accuracy, so above-mentioned bus is crosslinked as shown in Figure 2, the structure that general employing rectangular connector 5 crimps mutually with multi-thread bundle flat cable 4, this version mainly contains following shortcoming:
(1) multi-thread bundle flat cable is made up of the one group of unmasked wire mutually walked abreast, make it by high-frequency signal, during as clock, high-speed digital signal, between adjacent traces, can crosstalk be produced, signal integrity is deteriorated, and causes equipment performance to decline or controls the phenomenons such as mistake;
(2) connected mode of multi-thread bundle flat cable and rectangular connector as shown in Figure 3, for: rely on Special crimping tool to make connector pinout first puncture the insulating coating of wire, contact with center conductor again, this connected mode requires higher to compression joint technique, and after vibration or cable alternating bending, easily there is loose contact phenomenon, overall poor reliability;
(3) signal needing bus crosslinked is generally more, but by spatial limitation, therefore multi-thread bundle flat cable center conductor diameter is general less, in addition big current signal easily produces interference to weak signal, therefore the bus of multi-thread bundle flat cable form is general not as big current signal path, big current signal path generally uses other wires outside bus to connect, and such general structure is more complicated, increases the difficulty of final assembly and dismounting.
Utility model content
The purpose of this utility model is: for prior art Problems existing, provides a kind of on-broad communication station bus mainboard, when solving the multi-thread bundle flat cable of employing, can produce the problem of crosstalk between adjacent traces; Solve multi-thread bundle flat cable and be connected the problem easily causing loose contact with rectangular connector; Solution big current signal and small area analysis signal divide two by causing baroque problem.
The purpose of this utility model is achieved through the following technical solutions: a kind of on-broad communication station bus mainboard, it is characterized in that, this mainboard comprises rigid-flex PCB and rectangular connector, described rigid-flex PCB is bar shaped, with rigid-flex PCB length direction be longitudinal direction, Width is for transverse direction, rigid-flex PCB is longitudinally divided into rigid section and flexible section, and described rectangular connector is transversely welded on rigid section.
Preferably, described rigid section has multistage, often connects a flexible section between adjacent two rigid sections.
Preferably, each rigid section welds at least one rectangular connector.
Preferably, the rigid section that two short end of each rectangular connector are right is respectively provided with a screw via hole.
Preferably, two short end of rectangular connector are respectively provided with a guide pin hole, and the key mapping of two guide pin hole is different.
Preferably, two short end of each rectangular connector are respectively provided with a guide pin hole, and the key mapping of two guide pin hole is different.
Preferably, be laid with HW High Way, power line and control line totally three class lines in described rigid-flex PCB, between every class line, be laid with ground wire.
Preferably, if HW High Way has many groups, then often organize between line and be also laid with ground wire; If power line has many groups, then often organize between line and be also laid with ground wire; If control line has many groups, then often organize between line and be also laid with ground wire.
Compared with prior art, the utility model has the following advantages:
1, the utility model adopts rigid-flex PCB (R-FPCB) as mainboard main body, and is welded to connect with rectangular connector, and not only pliability is higher, and can not produce the problem of loose contact;
2, the rigid section that two short end of rectangular connector are right is all designed with screw via hole, bus mainboard can be locked on structural member with screw when bus mainboard and functional module inserting, makes equipment overall structure more firm like this, improves reliability;
3, mainboard is provided with avoiding misinsertion guide finger at the two ends of rectangular connector, when being connected with functional module, misplug phenomenon can not occur;
4, the wiring in rigid-flex PCB is carried out classification to arrange, and between every class line, all ground wire is set, clock, high-speed digital signal etc. can have been carried out effective isolation, effectively reduce the possibility of signal disturbing;
5, owing to being provided with ground wire isolation, thus big current signal also can be carried by this mainboard, only need rationally to increase wiring width and thickness.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing on-broad communication station bus crosslink part;
Fig. 2 is the structural representation of the bus mainboard of the multi-thread bundle flat cable of existing employing and rectangular connector syndeton;
Fig. 3 is the syndeton schematic diagram of existing multi-thread bundle flat cable and rectangular connector;
Fig. 4 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment
The version that this bus mainboard adopts the alternative traditional multi-thread bundle flat cable of R-FPCB (rigid-flex PCB) to be connected with rectangular connector, rectangular connector is welded direct on the rigid section of R-FPCB, and be all designed with screw via hole at connector two ends, be convenient to fixed bus mainboard.Selected rectangular connector two ends, can avoiding misinsertion with guide finger.
As shown in Figure 4, this mainboard is formed primarily of rigid-flex PCB and rectangular connector 23 concrete structure of the present utility model.Flexible section 22 base material of the R-FPCB (rigid-flex PCB) adopted is PI (polyimides) film.Data show, and this made of soft and toughness are strong, can stand thousands of times even up to ten thousand times bending, its rigid section 21 be FR-4 (epoxy glass fiber cloth) copper clad laminate that 2mm is thick, this Tensile strength greatly, not easily deformation and fracture.Rigid-flex PCB is bar shaped, with rigid-flex PCB length direction be longitudinal direction, Width for transverse direction, rigid-flex PCB is longitudinally divided into rigid section 21 and flexible section 22, and rectangular connector 23 is transversely welded on rigid section 21.Wherein the hop count of rigid section 21 is determined according to the functional module quantity of actual on-broad communication station, if close together between functional module, then can weld multiple rectangular connector 23 on one section of rigid section 21.
In addition, the rigid section 21 that two short end of each rectangular connector 23 are right is respectively provided with a screw via hole 25, bus mainboard can be locked on structural member with screw when bus mainboard and functional module inserting, make equipment overall structure more firm like this, improve reliability.
In addition, be also respectively provided with a guide pin hole 24 in two short end of each rectangular connector, the key mapping of two guide pin hole 24 of single rectangular connector 23 is different, and so-called key mapping is different, and namely in guide pin hole, the angle in the relative center of circle, position of anti-mismatch structure is different.Accordingly, with the guide finger functional module of guide pin hole 24 inserting being designed with identical key mapping on on-broad communication station, plug in guide finger is the oblate cylinder of milling, when this bus mainboard is plugged on on-broad communication station, then and can not mistake.
Be laid with HW High Way, power line and control line totally three class lines in rigid-flex PCB of the present utility model, between every class line, be laid with ground wire.If HW High Way has many groups, then often organize between line and be also laid with ground wire; If power line has many groups, then often organize between line and be also laid with ground wire; If control line has many groups, then often organize between line and be also laid with ground wire.Due to when carrying out placement-and-routing, bus signals is classified, clock, high-speed digital signal etc. have been carried out effective isolation, effectively reduce the possibility of signal disturbing.And, for big current signal, only need increase wiring width and thickness, and with ground wire isolation big current signal and normal signal, this bus mainboard just can be made by big current signal.The utility model thoroughly solves and avoids conventional multiline bundle flat cable bus use unmasked line, and parallel wiring crosstalk easily occurs, cannot transmit the problems such as big current signal.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; it should be pointed out that all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (8)
1. an on-broad communication station bus mainboard, it is characterized in that, this mainboard comprises rigid-flex PCB and rectangular connector, described rigid-flex PCB is bar shaped, with rigid-flex PCB length direction be longitudinal direction, Width is for transverse direction, rigid-flex PCB is longitudinally divided into rigid section and flexible section, and described rectangular connector is transversely welded on rigid section.
2. a kind of on-broad communication station bus mainboard according to claim 1, it is characterized in that, described rigid section has multistage, often connects a flexible section between adjacent two rigid sections.
3. a kind of on-broad communication station bus mainboard according to claim 2, it is characterized in that, each rigid section welds at least one rectangular connector.
4. a kind of on-broad communication station bus mainboard according to claim 2, is characterized in that, the rigid section that two short end of each rectangular connector are right is respectively provided with a screw via hole.
5. a kind of on-broad communication station bus mainboard according to claim 1, is characterized in that, two short end of rectangular connector are respectively provided with a guide pin hole, and the key mapping of two guide pin hole is different.
6. a kind of on-broad communication station bus mainboard according to claim 2, is characterized in that, two short end of each rectangular connector are respectively provided with a guide pin hole, and the key mapping of two guide pin hole is different.
7. a kind of on-broad communication station bus mainboard according to claim 1, is characterized in that, is laid with HW High Way, power line and control line totally three class lines, is laid with ground wire between every class line in described rigid-flex PCB.
8. a kind of on-broad communication station bus mainboard according to claim 1, is characterized in that, if HW High Way has many groups, then often organizes between line and is also laid with ground wire; If power line has many groups, then often organize between line and be also laid with ground wire; If control line has many groups, then often organize between line and be also laid with ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420735889.3U CN204191020U (en) | 2014-11-28 | 2014-11-28 | A kind of on-broad communication station bus mainboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420735889.3U CN204191020U (en) | 2014-11-28 | 2014-11-28 | A kind of on-broad communication station bus mainboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204191020U true CN204191020U (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420735889.3U Active CN204191020U (en) | 2014-11-28 | 2014-11-28 | A kind of on-broad communication station bus mainboard |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110602872A (en) * | 2019-09-16 | 2019-12-20 | 熊猫电子集团有限公司 | Rigid and flexible printed board |
| CN111867237A (en) * | 2020-08-21 | 2020-10-30 | 上海无线电设备研究所 | Rigid printed board with large binding wire structure |
| CN112713749A (en) * | 2020-12-18 | 2021-04-27 | 中车永济电机有限公司 | Special-shaped support frame used for mounting rectangular connector on locomotive converter |
-
2014
- 2014-11-28 CN CN201420735889.3U patent/CN204191020U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110602872A (en) * | 2019-09-16 | 2019-12-20 | 熊猫电子集团有限公司 | Rigid and flexible printed board |
| CN111867237A (en) * | 2020-08-21 | 2020-10-30 | 上海无线电设备研究所 | Rigid printed board with large binding wire structure |
| CN111867237B (en) * | 2020-08-21 | 2024-02-20 | 上海无线电设备研究所 | Rigid printed board with large binding wire structure |
| CN112713749A (en) * | 2020-12-18 | 2021-04-27 | 中车永济电机有限公司 | Special-shaped support frame used for mounting rectangular connector on locomotive converter |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |