CN105591237A - PCB backboard connector - Google Patents
PCB backboard connector Download PDFInfo
- Publication number
- CN105591237A CN105591237A CN201410570913.7A CN201410570913A CN105591237A CN 105591237 A CN105591237 A CN 105591237A CN 201410570913 A CN201410570913 A CN 201410570913A CN 105591237 A CN105591237 A CN 105591237A
- Authority
- CN
- China
- Prior art keywords
- connector
- pcb
- pin
- bell
- back panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
- H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/182—Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
- H05K1/184—Components including terminals inserted in holes through the printed circuit board and connected to printed contacts on the walls of the holes or at the edges thereof or protruding over or into the holes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10431—Details of mounted components
- H05K2201/1059—Connections made by press-fit insertion
Abstract
The invention provides a PCB backboard connector, which relates to the field of electronic devices and solves problems of pin falling, pin kneeling and the like during a pin inserting process of the existing PCB. The PCB backboard connector comprises multiple through holes for pin insertion, each through hole comprises a bell mouth structure closed to the surface end and a cylindrical structure closed to the PCB end, the large mouth side of the bell mouth structure is on the surface, the small mouth side of the externally-convex bell mouth structure is connected with the cylindrical structure, and the diameter of the small mouth side of the bell mouth structure is the same as that of the cylindrical structure. The technical scheme provided by the invention is applicable to a communication product board, and high-efficiency and accurate pin insertion can be realized.
Description
Technical field
The present invention relates to electronic device field, relate in particular to a kind of PCB back panel connector.
Background technology
At some above communication products board, there are some connectors at a high speed at present, by these at a high speedConnector is connected with backboard, realizes transfer of data and the exchange of whole system. Under current technical conditions,Some little companies are for the smaller backboard of size of producing, and the number of the connector above backboard is not many,Engineer adopts the technology of manual welding, in the process of welding, there will be solder joint rosin joint, or solder jointShort circuit occurred again afterwards a series of cleaning technique, but these cleaning techniques can not ensure thereuponBackboard work reliably and with long-term. In some large companies, because the backboard of producing is very large, the number of connectorMeasure hugely, in the process of production and processing, it is real that connector above backboard adopts the method for machine crimpingExisting, the PCB underneath of backboard is equipped with liner plate, and the Main Function of liner plate is the rebasing of crimping back panel connectorYoungster is generally (to select the sheet material of FR4 by the pcb board of the sheet material processing of the FR4 of 6 layers or 8 layersFinished product is lower) or steel plate (cost is larger), then backboard is put into above liner plate, then existWanting connector that crimping is entered to do upper corresponding crimp, (Main Function of mould is to avoid in crimpingProcess in, crimp head is damaged the connector of being pressed), mould is general and want the connector of crimping to do in pairsEven form, can cover the connector of wanting crimping, and the connector pin perpendicular alignmnet backboard PCB of backboard connectsConnect the jack above device, touch crimp by the crimp head of crimping stations, connector crimping is entered.
The transfer rate requiring due to communication system is not before very high, signal transmission rate all above backboardNeither be very large, the most important is that the number of plies of backboard is not a lot, general 10 which floor or more than 20Layer, but along with the increase of customer demand, the increasing of transmission speed, backboard be not 20 which floor with regard to energyMet the demands, be all generally 40 which floor or 50 which floor, and the size of backboard also increase,A lot of connectors are covered with above. Because the increase of back plate thickness makes existing crimp technology defect obviousCome out, in the connector crimping process of the backboard of being everlasting, kneel the phenomenon of pin or looper, byAbove backboard, connector number is huge, and it is not very that the connector of kneeling pin or looper is locatedEasily, increased the difficulty of research staff's debugging and location.
That pin or looper have occurred to kneel for which stitch of which connector above backboard in order to orientPhenomenon, which pin research staff identifies by eyes to have departed from the position of specifying before, stillIn any case for checking by eyes the afterbody pin research staff of connector and backboard contact-making surfaceArrive, they develop the groove position that a kind of veneer is directly inserted into backboard and detect the crimping situation of connector, reportGive host computer, because the groove position of present whole system is a lot, nearly more than 100, each groove position needsCarry out run-down with this veneer newly developed, not only consuming time but also very labor intensive, by the time scanningFinish, again backboard disassembled above subrack (subrack is used for fixing backboard), change connector,Bring very large trouble to production and processing like this. Research staff thinks that this kind of method is very time-consuming and effort,Research staff spends large price and goes for the detection that XX producer is correlated with, and XX producer is on backboardFace connector more advanced equipment is installed, all adopt the connector mistake above the pcb board of machine locationHole, adopts hand, pin, and the system that eye is collaborative, backboard lies against above operating desk, and display is positioned overFront, material table is positioned at upper right side, directly over be beacon, underfooting is a pedal, light is got to PCBThe position of connector, shape is identical with this position connector and can be with connector size variation, and flicker is carriedShow the position of PIN1, above display, show the picture in kind of the connector that will place, treadle,Light goods is switched to next connector, and display switches the shape that shows next connector simultaneously. WithMachine is put after crimping completes, and detect, and there is very advanced checkout equipment in XX company, comprisesRebatS1, RebatRXI. Wherein RobatS1 does ICT, AOI test; RobatRXI be AOI,X-Ray test. Carry out relevant detection and just can have found that pin of which connector has occurred laterLooper or kneel the phenomenon of pin. Rough estimation once, there are 2 crimping apparatus, 2 in XX producerRebatS1 equipment, 1 RebatRXI equipment. Because the backboard size of censorship is now large, connector is many.The time of average crimping a slice backboard, S1 detected the time of a slice backboard at 0.3 hour about 1 hourLeft and right, RXI detected the time of a slice backboard about 1.2 hours, did not include the time of repair a breakdown backboard,A slice backboard is estimated 2.5 hours consuming time from being crimped onto to have detected. Institute is in this way for a large amount of deliveriesBackboard be very unpractical.
Summary of the invention
The invention provides a kind of PCB back panel connector, solved existing pcb board connector pin mistakeIn journey, fall pin, kneel the problem of pin.
A kind of PCB back panel connector, comprises multiple via holes for contact pin, and each via hole all comprises nearly tableThe bell-mouth structure of air of layer end and the cylindrical-shaped structure of nearly pcb board end;
The large mouthful side of described bell-mouth structure of air on top layer, the osculum one of described outer gibbosity bell-mouth structure of airSide is connected with described cylindrical-shaped structure;
The osculum one side diameter of described bell-mouth structure of air is identical with the diameter of described cylindrical-shaped structure.
Preferably, the height of described bell-mouth structure of air is the contact pin length corresponding with this PCB back panel connector1/3rd to 2/5ths.
Preferably, described bell-mouth structure of air is specially outer gibbosity bell-mouth structure of air, and its inwall has depressionRadian.
Preferably, the hole inwall of described via hole is copper facing material.
Preferably, the degree of depth of described bell-mouth structure of air is 0.5mm.
The invention provides a kind of PCB back panel connector, this PCB back panel connector comprise multiple forThe via hole of contact pin, each via hole all comprises the cylindric of the bell-mouth structure of air of nearly top layer end and nearly pcb board endStructure, the large mouthful side of described bell-mouth structure of air on top layer, the osculum of described outer gibbosity bell-mouth structure of airOne side is connected with described cylindrical-shaped structure, the osculum one side diameter of described bell-mouth structure of air and described cylindricThe diameter of structure is identical. By this bell-mouth structure of air, make contact pin more easily aim at via hole, realize heightImitate contact pin accurately, solved in existing pcb board connector pin process pin, kneeled the problem of pin.
Brief description of the drawings
Fig. 1 is flake pin length statistical chart;
Fig. 2 is flake contact size schematic diagram;
Fig. 3 is via shape schematic diagram;
Fig. 4 is via hole each several part size schematic diagram.
Detailed description of the invention
Jack above the connector pin perpendicular alignmnet backboard PCB connector of backboard, by crimping stationsCrimp head touches crimp, and connector crimping is entered. Because the thickness of backboard increases, backboard chiVery little increasing, the difficulty of connector crimping also increases thereupon, and pin, kneels pin, and the phenomenon of looper is a lot.
In order to address the above problem, embodiments of the invention provide a kind of PCB back panel connector. BelowIn in connection with accompanying drawing, embodiments of the invention are elaborated. It should be noted that, what do not conflictIn situation, the feature in embodiment and embodiment in the application can be combined mutually.
First by reference to the accompanying drawings, embodiments of the invention one are described.
Because the thickness of backboard increases, the increasing of backboard size, the difficulty of connector crimping also increases thereupon,Pin, kneels pin, and the phenomenon of looper is a lot, and the embodiment of the present invention is mainly to transform PCB for this phenomenonThe via hole of backboard, because the contact pin of the connector of backboard is all flake (flake pin, back panel connector and the back of the bodyThe part of the exposed contact pin of plate contact, shape resembles flake, therefore called after flake pin) structure, pressingIn the process of connecting connector, by the both sides of extruding flake, flake is diminished, be inserted into the mistake of the PCB of backboardKong Zhong, causes contact pin distortion to be easy to occur because the process of exerting oneself is inhomogeneous, but this connectorFlake structure has no idea again to change, and the structure that is designed to flake is mainly the tightness that has increased connectorCan, the connector that makes to be inserted in backboard is unlikely to pitch, and the connector of this shape does not have at presentWay changes. The embodiment of the present invention is object by the via shape that changes PCB back panel connector contact pin,Solve the pin and the technical problem of kneeling pin of the connector occurring in the crimping process of connector. TraditionThe PCB via hole of circuit board top be all the same via hole in upper and lower aperture, in the embodiment of the present invention insertingBe transformed into bell-mouthed shape to the via shape of that face of PCB.
The embodiment of the present invention provides a kind of PCB back panel connector, comprises multiple via holes for contact pin,Each via hole all comprises the bell-mouth structure of air of nearly top layer end and the cylindrical-shaped structure of nearly pcb board end;
The large mouthful side of described bell-mouth structure of air on top layer, the osculum one of described outer gibbosity bell-mouth structure of airSide is connected with described cylindrical-shaped structure;
The osculum one side diameter of described bell-mouth structure of air is identical with the diameter of described cylindrical-shaped structure.
Preferably, the height of described bell-mouth structure of air is the contact pin length corresponding with this PCB back panel connector1/3rd to 2/5ths.
Preferably, described bell-mouth structure of air is specially outer gibbosity bell-mouth structure of air, and its inwall has depressionRadian.
Preferably, the hole inwall of described via hole is copper facing material.
At present the veneer being inserted in above backboard has been done to a statistics, the tail portion of connector of different manufacturers goes out pinLength be not the same. Afterbody pin corresponding to the connector (Male head connector) of business board slot position is long(flake part) is 1.6mm, and the flake part of cross board connector and the contact pin length of clock board are1.4mm, the length of the tailpin of related connector as shown in Figure 1. The embodiment of the present invention is only according to business boardThe length of flake pin calculate, cross board and clock board are adopted and are used the same method, through calculating, as1/3 of the flake part of fruit connector, the longest 2/5 length that can not exceed (will be considered connector fish hereinThe fastening performance of eye), need to can not enter into smoothly by external force the via hole of backboard, canEnsure stable being crimped into of connector. The length schematic diagram of flake contact pin as shown in Figure 2.
The embodiment of the present invention, by the same via hole in aperture up and down of original PCB, has been beaten one on top layerBell-mouthed shape, makes connector when crimping does not enter veneer, the stable PCB that touches of contact pinA via hole part above plate, the shape of via hole as shown in Figure 3.
The aperture of the via hole above backboard pcb board is 0.5mm at present, in order to allow this flake pin not pressConnect the via hole that touches of forward part, can when backboard is thrown plate, inform pcb board factory, and connector0.56-0.60mm is reached (if the backboard of Dual-face inserting will be informed at TOP in the aperture of the one side of contactFace and Bottom face adopt same technology), the degree of depth be 0.53mm (flake pin length is 1.6mm,Flake pin length 1/3), between excessively adopt round and smooth excessively, be not cut into straight line plane, i.e. this loudspeakerMouth structure is outer gibbosity, is mainly because flake pin also has relevant radian, ensures via hole and flake pinGood contact. The via hole of other part is still processed just according to original technique. Arrive pressureBackboard when connecing step, because the part of flake 1/3 has been deep in backboard via hole, at this timeMuch larger than before of the intensity of flake in backboard. The present invention is by an aperture up and down of original PCBThe same via hole, has beaten a bell-mouthed shape on top layer, make connector enter veneer in crimping notTime, the stable via hole part (part of bell-mouth structure of air) touching above pcb board of contact pin.
The PCB back panel connector that embodiments of the invention provide, this PCB back panel connector comprises multipleFor the via hole of contact pin, each via hole all comprises the bell-mouth structure of air of nearly top layer end and the circle of nearly pcb board endColumn structure, the large mouthful side of described bell-mouth structure of air on top layer, described outer gibbosity bell-mouth structure of airOsculum one side is connected with described cylindrical-shaped structure, osculum one side diameter and the described circle of described bell-mouth structure of airThe diameter of column structure is identical. By this bell-mouth structure of air, make contact pin more easily aim at via hole, realizeThe contact pin of efficiently and accurately, solved in existing pcb board connector pin process pin, kneeled the problem of pin.Compared with prior art, avoid to greatest extent kneeling the phenomenon such as pin, askew pin in connector crimping process,Not only save the investigation operation of those complexity after crimping process completes, and saved a lotTime and manpower, more importantly reduced the cost in production process.
The all or part of step that one of ordinary skill in the art will appreciate that above-described embodiment can make to use tricksCalculation machine program circuit is realized, and described computer program can be stored in a computer-readable recording medium,Described computer program (as system, unit, device etc.) on corresponding hardware platform is carried out,In the time carrying out, comprise step of embodiment of the method one or a combination set of.
Alternatively, all or part of step of above-described embodiment also can realize with integrated circuit, thisA little steps can be made into respectively integrated circuit modules one by one, or by the multiple modules in them orStep is made into single integrated circuit module and realizes. Like this, the present invention is not restricted to any specific hardPart and software combination.
Each device/functional module/functional unit in above-described embodiment can adopt general calculation elementRealize, they can concentrate on single calculation element, also can be distributed in multiple calculation element institute groupOn the network becoming.
Each device/functional module/functional unit in above-described embodiment is realized with the form of software function moduleAnd as production marketing independently or while using, can be stored in a computer read/write memory medium.The above-mentioned computer read/write memory medium of mentioning can be read-only storage, disk or CD etc.
Any be familiar with those skilled in the art the present invention disclose technical scope in, can think easilyTo changing or replacing, within all should being encompassed in protection scope of the present invention. Therefore, protection model of the present inventionEnclose and should be as the criterion with the protection domain described in claim.
Claims (5)
1. a PCB back panel connector, is characterized in that, this PCB back panel connector comprises multiple useIn the via hole of contact pin, each via hole all comprises the bell-mouth structure of air of nearly top layer end and the cylinder of nearly pcb board endShape structure;
The large mouthful side of described bell-mouth structure of air on top layer, the osculum one of described outer gibbosity bell-mouth structure of airSide is connected with described cylindrical-shaped structure;
The osculum one side diameter of described bell-mouth structure of air is identical with the diameter of described cylindrical-shaped structure.
2. PCB back panel connector according to claim 1, is characterized in that, described horn mouthThe height of structure is 1/3rd to 2/5ths of the contact pin length corresponding with this PCB back panel connector.
3. PCB back panel connector according to claim 1 and 2, is characterized in that, described loudspeakerMouth structure is specially outer gibbosity bell-mouth structure of air, and its inwall has the radian of depression.
4. PCB back panel connector according to claim 1, is characterized in that, described via holeHole inwall is copper facing material.
5. PCB back panel connector according to claim 1, is characterized in that, described horn mouthThe degree of depth of structure is 0.5mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410570913.7A CN105591237A (en) | 2014-10-23 | 2014-10-23 | PCB backboard connector |
| PCT/CN2015/079399 WO2016062082A1 (en) | 2014-10-23 | 2015-05-20 | Pcb backplane connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410570913.7A CN105591237A (en) | 2014-10-23 | 2014-10-23 | PCB backboard connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105591237A true CN105591237A (en) | 2016-05-18 |
Family
ID=55760219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410570913.7A Pending CN105591237A (en) | 2014-10-23 | 2014-10-23 | PCB backboard connector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105591237A (en) |
| WO (1) | WO2016062082A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018146369A1 (en) * | 2017-02-07 | 2018-08-16 | Coriant Oy | A circuit board system and method for manufacturing the same |
| CN109546391B (en) * | 2017-09-21 | 2021-12-07 | 中航光电科技股份有限公司 | Contact fish eye structure, contact, differential signal module and connector |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040149490A1 (en) * | 2000-08-11 | 2004-08-05 | Huey-Ru Chang | Coaxial via hole and process of fabricating the same |
| CN101171892A (en) * | 2005-04-07 | 2008-04-30 | Fci公司 | Orthogonal backplane connector |
| CN102437453A (en) * | 2011-08-24 | 2012-05-02 | 上海航天科工电器研究院有限公司 | Connector contact pair |
| CN202907333U (en) * | 2012-10-25 | 2013-04-24 | 杭州华三通信技术有限公司 | PCB structure |
| CN203103690U (en) * | 2012-12-30 | 2013-07-31 | 上海徕木电子股份有限公司 | A board end connector capable of being fixed on a PCB in advance |
| US20140055873A1 (en) * | 2012-08-24 | 2014-02-27 | Flextronics Ap, Llc | Optical vias for printed circuit board |
| CN203707386U (en) * | 2013-11-06 | 2014-07-09 | 罗森伯格（上海）通信技术有限公司 | Board-to-board connector and circuit board assembly |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1475188A (en) * | 1974-04-18 | 1977-06-01 | Cannon Electric Great Britain | Socket contact |
| CN2901612Y (en) * | 2006-02-10 | 2007-05-16 | 华为技术有限公司 | Connector for connecting PCB board |
| CN202841712U (en) * | 2012-08-23 | 2013-03-27 | 周明 | PCB provided with connector |
-
2014
- 2014-10-23 CN CN201410570913.7A patent/CN105591237A/en active Pending
-
2015
- 2015-05-20 WO PCT/CN2015/079399 patent/WO2016062082A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040149490A1 (en) * | 2000-08-11 | 2004-08-05 | Huey-Ru Chang | Coaxial via hole and process of fabricating the same |
| CN101171892A (en) * | 2005-04-07 | 2008-04-30 | Fci公司 | Orthogonal backplane connector |
| CN102437453A (en) * | 2011-08-24 | 2012-05-02 | 上海航天科工电器研究院有限公司 | Connector contact pair |
| US20140055873A1 (en) * | 2012-08-24 | 2014-02-27 | Flextronics Ap, Llc | Optical vias for printed circuit board |
| CN202907333U (en) * | 2012-10-25 | 2013-04-24 | 杭州华三通信技术有限公司 | PCB structure |
| CN203103690U (en) * | 2012-12-30 | 2013-07-31 | 上海徕木电子股份有限公司 | A board end connector capable of being fixed on a PCB in advance |
| CN203707386U (en) * | 2013-11-06 | 2014-07-09 | 罗森伯格（上海）通信技术有限公司 | Board-to-board connector and circuit board assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016062082A1 (en) | 2016-04-28 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160518 |