WO1999062149A1 - Printed-board ground connector - Google Patents
Printed-board ground connector Download PDFInfo
- Publication number
- WO1999062149A1 WO1999062149A1 PCT/DE1999/000773 DE9900773W WO9962149A1 WO 1999062149 A1 WO1999062149 A1 WO 1999062149A1 DE 9900773 W DE9900773 W DE 9900773W WO 9962149 A1 WO9962149 A1 WO 9962149A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- circuit board
- force connector
- actuator
- zero force
- zero
- Prior art date
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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/62983—Linear camming means or pivoting lever for connectors for flexible or rigid printed circuit boards, flat or ribbon cables
- H01R13/62988—Lever acting directly on flexible or rigid printed circuit boards, flat or ribbon cables, e.g. recess provided to this purposeon the surface or edge of the flexible or rigid printed circuit boards, flat or ribbon cables
-
- 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
- H01R12/70—Coupling devices
- H01R12/82—Coupling devices connected with low or zero insertion force
- H01R12/85—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures
-
- 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
- H01R13/64—Means for preventing incorrect coupling
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/62905—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances comprising a camming member
Definitions
- the present invention relates to a device according to the preambles of claims 1 and 6, i.e. a circuit board zero-force plug connector with an actuating element, by the actuation of which the circuit board zero-force plug connector can be brought from an assembly position which permits the insertion or removal of a circuit board into a connection position which makes proper contact with the circuit board and / or vice versa.
- Printed circuit board zero force connectors are used to connect two printed circuit boards electrically and mechanically to one another essentially without force; They are used, among other things, to be able to simply and gently plug a first printed circuit board essentially vertically onto a second printed circuit board (for example a so-called rear wall printed circuit board) and to connect them electrically and mechanically firmly and reliably to the latter.
- Circuit board zero force connectors have long been known and in a variety of embodiments; a circuit board zero-force connector of the type claimed in the preambles of claims 1 and 6 is described, for example, in US Pat. No. 3,130,351.
- the circuit board zero-force plug connector known from this publication is fixedly mounted on one of the circuit boards to be connected to one another and is designed so that the other of the circuit boards to be connected to one another can be inserted therein. It is constructed in such a way that by actuating an essentially rod-shaped actuating element into an assembly position which permits the insertion or removal of a printed circuit board, ment, and can be brought into the connection position by inserting a circuit board.
- the present invention is therefore based on the object of developing the circuit board zero-force connector in accordance with the preambles of claims 1 and 6 such that the risk of serious damage to the circuit board and / or the circuit board zero-force connector and / or the risk of an incorrect connection the circuit boards to be connected can be reduced to a minimum.
- the actuating member has a changeable shape, the current shape at least from the relative position of the actuating member to the thereby actuated circuit board zero force plug connector and / or from the relative position of the circuit board to the circuit board zero.
- power connector depends (characterizing part of claim 1) or
- That a locking member is provided, which is movable by the movement of the actuator between a recess provided in the actuator and a recess provided in the circuit board (characterizing part of claim 6).
- the deformability of the actuator in the circuit board zero force connector according to claim 1 makes it possible to influence the mobility of the same and / or the mobility of elements adjacent to it.
- the deformability of the actuator in the circuit board zero force connector according to claim 1 makes it possible to influence the mobility of the same and / or the mobility of elements adjacent to it.
- circuit board or a mechanism to be used for inserting and removing the circuit board from the circuit board zero-force connector cannot or at least not be moved to the extent required for inserting or removing the circuit board if and as long as the actuator is not in the position that it holds when the circuit board zero force connector is in the mounting position.
- circuit board zero-force connector can only be brought into the connecting position if a circuit board inserted in the circuit board zero-force connector is used as intended or if no circuit board is inserted in the circuit board zero-force connector, and - That a circuit board only in the mounting position of the
- PCB zero force connector can be inserted into or removed from this.
- FIG. 1A shows a perspective illustration of the section of a circuit board zero-force connector according to a first exemplary embodiment that is of particular interest in the present case
- FIG. 1B shows a side view of the arrangement shown in FIG. 1A
- FIG. 2A shows a side view of the arrangement according to FIGS. 1A and 1B, with the conductor used as intended. flat and partially in the closed position actuator operating mechanism,
- FIG. 2B shows a top view of the arrangement according to FIG. 2A
- FIG. 3A shows a side view of the arrangement according to FIGS. 1A and 1B, with the circuit board not fully inserted,
- FIG. 3B shows a top view of the arrangement according to FIG. 3A
- FIG. 4A shows a perspective illustration of the actuating element actuating mechanism, printed circuit board zero force plug connector according to FIGS. 1 to 3,
- FIG. 4B shows a perspective illustration of the end section of the actuating element of the circuit board zero force connector according to FIGS. 1 to 3 facing away from the circuit board zero force plug connector
- FIG. 5A shows a perspective illustration of the section of a printed circuit board zero-force connector according to a second exemplary embodiment that is of particular interest here;
- FIG. 5B shows a side view of the arrangement shown in FIG. 5A
- Figure 6 is a side view of the arrangement according to the figures.
- FIGS. 5A and 5B show a side view of the arrangement according to FIGS. 5A and 5B, with the circuit board not fully inserted.
- the PCB zero force connector described in more detail below is used for the electrical and mechanical connection of two PCBs.
- the circuit boards to be connected are a first circuit board and a second circuit board, the first circuit board should be able to be plugged onto the second circuit board essentially perpendicularly.
- Printed circuit boards of the type of the second printed circuit board are, for example, the so-called rear wall printed circuit boards;
- the circuit boards that can be plugged onto it, in the manner of the first circuit board, are often referred to as plug-in cards in accordance with their assembly.
- the circuit board zero-force plug connector is firmly mounted on the second circuit board (also not shown in the figures).
- the circuit board zero-force connector and the second circuit board are firmly and electrically connected to each other.
- the circuit board zero-force connector has two connector halves which can be pivoted or folded away from one another and away from one another by means of a pivoting mechanism.
- the swivel mechanism can be actuated by an actuator described in more detail.
- the first circuit board In the unfolded state of the connector halves, the first circuit board can be inserted or removed between the connector halves essentially without force; the unfolded position of the PCB zero-force connector is therefore referred to as its mounting position.
- the first printed circuit board which may be inserted between them, is clamped more or less firmly between the connector halves and thus comes into electrical and mechanical connection with the other (first) printed circuit board via the zero-force plug connector; the folded position of the circuit board zero force connector is therefore referred to as its connection position.
- the PCB zero force connector can only be brought into the connection position if the first one
- the above-mentioned actuator for actuating the pivoting mechanism of the circuit board zero-force connector is identified in the figures by the reference number 2.
- it is an essentially rod-like element (a push and pull rod) which is fixed in a longitudinally displaceable manner; for the most part it has an essentially U-shaped cross section and can thus also serve as a lateral guide for the first printed circuit board designated by the reference number 1 in the figures.
- the end section of the actuator 2 facing the circuit board zero force connector actuates the pivoting mechanism of the circuit board zero force connector when the actuator 2 is displaced, as a result of which its connector halves are expanded or collapsed.
- the end portion facing away from the PCB zero force connector i.e. the end section of the actuating element 2, designated by the reference numeral 21, projects beyond a circuit board inserted into the circuit board zero-force connector, more precisely beyond the rear edge of the first circuit board 1 with respect to the insertion direction, and in the example considered is provided with a folding part 22 which resembles a two-armed lever.
- this folding part 22 serves to actuate the actuating member 2 (to move in the longitudinal direction thereof), that is to say represents an actuating member actuating mechanism.
- Pins 23 are pivotally attached to the rear end of the actuator 2 and can be moved between a folded-down (aligned with the actuator 2) open position and a folded-up (behind the first circuit board 1) closed position.
- an arm 221 of the same strikes one of the boundary surfaces of a fixed recess 31 of the base 3, which is also used to fix the actuating member 2, whereby the actuating member is automatically displaced in its longitudinal direction.
- the actuator 2 When the folding part 22 is in the open position, the actuator 2 is pulled away from the circuit board zero-force connector (the circuit board zero-force connector is in the mounting position), and when the folding part 22 is in the folded-up closed position, the actuator 2 is pushed towards the circuit board zero-force connector (the circuit boards are located -No-force connector in the connection position).
- a circuit board In the open position (only when the circuit board zero force connector is in the assembly position), a circuit board can be inserted into the circuit board zero force connector.
- the circuit board in question more precisely the first circuit board 1, is inserted into the circuit board zero-force connector under the guidance of the actuating element 2.
- the first circuit board 1 has at its rear end (which faces away from the circuit board zero-force plug connector) a folding part 11, with the aid of which the first circuit board 1 can be brought into or out of its intended end position and locked in its intended end position.
- the folding part 11 of the first printed circuit board 1 is similar to the folding part 22 of the actuator 2. It is also a rotatably attached two-armed lever which can be moved between a folded-down and a folded-up position.
- the folding part 11 of the first circuit board 1 is initially in the folded-down position. If the first printed circuit board 1 is inserted in this way and then the folding part 11 is raised, an arm 111 of the same strikes one of the boundary surfaces of the already mentioned recess 31 of the base 3, which means that the first printed circuit board 1 is pushed in (as intended) and locked in the end position then assumed.
- the first circuit board 1 After the first circuit board 1 has been inserted into the circuit board zero-force plug connector as described, it can be brought from the assembly position into the connection position. For this purpose, only the folding part 22 of the actuator 2 must be brought into its closed closed position.
- the measure mentioned consists in the actuating member having a changeable shape, the current shape at least from the relative position of the operating member to the printed circuit board zero-force connector to be actuated thereby / or depends on the relative position of the circuit board to the circuit board zero force connector.
- the rear section 21 of the actuating element 2 (facing away from the printed circuit board zero-force plug connector) is deformable.
- the actuating element 2 no longer has a U-shaped cross section there, but instead consists only of the legs of the U. These, in the Figures with the reference numeral 211 can be bent towards each other elastically.
- the folding part 22 has elevations on its surfaces facing the actuator 2, which in the folded-up closed position and the folded-down open position of the folding part 22 have corresponding recesses in the folding part 22 facing surfaces of the legs 211 and / or come to rest next to the legs 211, and when folding up and down the folding part 22 press against areas of the legs 211 which have no recesses and thereby bend them inwards.
- Possible embodiments of the elevations of the folding part 22 and the recesses of the legs 211 are shown in FIGS. 4A and 4B, the elevations of the folding part 22 being designated by the reference number 222 and the recesses of the legs 211 being identified by the reference number 212.
- the legs 211 of the actuator 2 are arranged and dimensioned in the non-compressed state so that they can accommodate parts of the folding part 11 of the first circuit board 1 between them.
- the folding part 11 can thereby come to lie between the legs 211, the position of the folding part 11 between the legs 211 depending on the position of the folding part 11.
- the folding part 11 If the folding part 11 is in the folded-up position, it crosses the space between the legs 211 at a point where these are not or only slightly compressed when the folding part 22 is folded, and is at a distance from the legs 211 that so is great that the compression of the legs 211 is not or at least not significantly hampered by the folding part 11; however, if the folding part 11 is in the folded-down position, it traverses the space between the legs 211 at a point where they are pressed together widely when the folding part 22 is folded, and is at a distance from the legs 211 that is so small that the compression of the legs 211 is restricted or completely prevented by the folding part 11.
- That the distances between the folding part 11 and the legs 211 vary with the position of the folding part 11 can be achieved by locally varying dimensions (widths) of the folding part 11 and / or locally varying distances of the legs 211.
- the folding up of the folding part 22 causes a displacement of the actuating rod 2 towards the printed circuit board zero-force plug connector, whereby this is brought from the mounting position into the connecting position.
- the folding up of the folding part 22 when the folding part 11 is in the folded up position is illustrated in FIGS. 2A and 2B, but in FIG. 2B the first printed circuit board 1 and the folding part 11 are omitted for reasons of clarity.
- the folding part 11 of the first printed circuit board 1 is in the folded-down position or in an intermediate position which is only partially folded up, that is to say the first printed circuit board 1 has not yet been properly inserted between the connector halves of the printed circuit board zero-force connector, the folding part 22 of the actuating member 2 cannot be removed from the folded open position into the folded up position
- FIGS . 3A and 3B The folding of the folding part 22 at only partially Folded-up folding part 11 is illustrated in FIGS . 3A and 3B.
- the folding part 22 When the folding part 22 is fully or partially folded up, that is to say if and as long as the circuit board zero-force connector is not in the assembly position, the first circuit board 1 cannot be pulled out of the circuit board zero-force connector. To pull out the first printed circuit board 1, it would be necessary to fold down the folding part 11 of the first printed circuit board 1, and this is prevented by the actuating member 2. In the fully or partially folded-up state of the folding part 22, the legs 211 of the actuating member 2 are in fact at least partially compressed, as a result of which the space between the legs 211 is too small to be able to accommodate the folding part 11 when it is folded down.
- the circuit board zero force connector can only be brought into the connecting position when the inserted first circuit board is properly inserted, and that a circuit board inserted in the circuit board zero force connector can only be removed from it when it is removed is in the assembly position.
- the second exemplary embodiment of the printed circuit board zero-force connector shown in FIGS. 5 to 7 is characterized in that a locking member is provided which can be moved by the movement of the actuating member between a recess provided in the actuating member and a recess provided in the printed circuit board.
- said locking member is a bracket 4 which is pivotally attached to the base 3.
- the recess provided in the actuating member 2 is identified by the reference number 24 in the figures, and the recess provided in the printed circuit board is indicated by the reference number in the figures Designated 12.
- both recesses are essentially V-shaped notches.
- the locking member can also be realized by elements other than the bracket 4, and that the recesses 12 and 24 do not necessarily have to be V-shaped notches.
- bracket 4 In the retracted position of the actuator 2 (in the mounting position of the circuit board zero-force connector), the bracket 4 is in the recess 24 of the actuator 2.
- the bracket 4 is lower than the slot provided for the circuit board guide in the actuator 2 and is the insertion of a circuit board therefore not in the way in the PCB zero force connector. This state is illustrated in Figures 5A and 5B.
- the circuit board is inserted as in the first exemplary embodiment of the circuit board zero-force connector. That the circuit board (the first circuit board 1 is inserted under guidance in the actuator 2 between the unfolded connector halves of the circuit board zero-force connector and locked in the intended end position with the aid of the folding part 11.
- the circuit board zero-force connector can be brought into the connecting position without any problems.
- the actuator 2 is displaced toward the circuit board zero-force plug connector by folding up the folding part 22 of the actuator 2.
- the bracket 4 runs upwards on the boundary surface of the recess 24 facing away from the circuit board zero-force plug connector and thereby reaches - lying on the upper side of the actuating member 2 at the end - into the recess 12 of the first circuit board 1. This state is shown in FIG. 6.
- the folding part 22 When the folding part 22 is completely or partially folded up, that is to say if and as long as the circuit board zero-force connector is not in the assembly position, the first circuit board 1 cannot be pulled out of the circuit board zero-force connector. In this state, the bracket 4 (still) located in the cutout 12 prevents the first circuit board 1 from being pulled out.
- bracket 4 can be achieved in the result that the circuit board zero force connector can only be brought into the connection position when the inserted first circuit board is properly inserted, and that a circuit board inserted in the circuit board zero force connector can only be removed from this when it is in the assembly position.
- the described circuit board zero force connectors ie both the first embodiment and the second embodiment are preferably designed so that the Folding parts 11 and 22 are the least stable and resilient parts of the arrangement. It can thereby be achieved that these folding parts 11 and 22 are the first and only parts which are damaged or destroyed when an attempt is made by force to bring the zero-force circuit board connector into the connecting position when the first board is not correctly inserted, and / or in Remove the printed circuit board zero force connector when the PCB zero force connector is not in the installation position. The damage or destruction of the folding parts 11 and 22 is immediately recognizable on account of their exposed position and thus helps to localize or narrow down the cause of an error that has occurred in the system.
- the described zero-power circuit board connectors make it possible in an incredibly simple and efficient way to minimize the risk of serious damage to the circuit board and / or the zero-power circuit board connector and / or the risk of incorrect connection of the circuit boards to be connected to reduce.
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99915514A EP1082786B1 (en) | 1998-05-27 | 1999-03-18 | Printed-board ground connector |
DE59909475T DE59909475D1 (en) | 1998-05-27 | 1999-03-18 | LEITERPLATTEN ZERO POWER CONNECTOR |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823684 | 1998-05-27 | ||
DE19823684.0 | 1998-05-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999062149A1 true WO1999062149A1 (en) | 1999-12-02 |
Family
ID=7869079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1999/000773 WO1999062149A1 (en) | 1998-05-27 | 1999-03-18 | Printed-board ground connector |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1082786B1 (en) |
DE (1) | DE59909475D1 (en) |
WO (1) | WO1999062149A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102082339B (en) * | 2009-11-30 | 2014-02-12 | 华硕电脑股份有限公司 | Connector and electronic device with same |
CN105356152A (en) * | 2015-10-29 | 2016-02-24 | 广州慧睿思通信息科技有限公司 | Power-assisted plug-pull device and plug-pull method thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3853379A (en) * | 1973-07-20 | 1974-12-10 | Itt | Printed circuit board connector assembly |
US4352536A (en) * | 1980-03-07 | 1982-10-05 | Harris Data Communications, Inc. | Printed circuit board connecting and locking assembly |
US4480884A (en) * | 1983-07-01 | 1984-11-06 | International Business Machines Corporation | Zero insertion force connector and circuit card assembly |
US4487468A (en) * | 1982-12-27 | 1984-12-11 | Amp Incorporated | Card edge connector locking device |
US4872853A (en) * | 1988-12-08 | 1989-10-10 | Amp Incorporated | Circuit card retaining device |
-
1999
- 1999-03-18 EP EP99915514A patent/EP1082786B1/en not_active Expired - Lifetime
- 1999-03-18 WO PCT/DE1999/000773 patent/WO1999062149A1/en active IP Right Grant
- 1999-03-18 DE DE59909475T patent/DE59909475D1/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3853379A (en) * | 1973-07-20 | 1974-12-10 | Itt | Printed circuit board connector assembly |
US4352536A (en) * | 1980-03-07 | 1982-10-05 | Harris Data Communications, Inc. | Printed circuit board connecting and locking assembly |
US4487468A (en) * | 1982-12-27 | 1984-12-11 | Amp Incorporated | Card edge connector locking device |
US4480884A (en) * | 1983-07-01 | 1984-11-06 | International Business Machines Corporation | Zero insertion force connector and circuit card assembly |
US4872853A (en) * | 1988-12-08 | 1989-10-10 | Amp Incorporated | Circuit card retaining device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102082339B (en) * | 2009-11-30 | 2014-02-12 | 华硕电脑股份有限公司 | Connector and electronic device with same |
CN105356152A (en) * | 2015-10-29 | 2016-02-24 | 广州慧睿思通信息科技有限公司 | Power-assisted plug-pull device and plug-pull method thereof |
Also Published As
Publication number | Publication date |
---|---|
DE59909475D1 (en) | 2004-06-17 |
EP1082786B1 (en) | 2004-05-12 |
EP1082786A1 (en) | 2001-03-14 |
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