EP2529451A1 - Circuit board coaxial connector - Google Patents
Circuit board coaxial connectorInfo
- Publication number
- EP2529451A1 EP2529451A1 EP10702084A EP10702084A EP2529451A1 EP 2529451 A1 EP2529451 A1 EP 2529451A1 EP 10702084 A EP10702084 A EP 10702084A EP 10702084 A EP10702084 A EP 10702084A EP 2529451 A1 EP2529451 A1 EP 2529451A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connector
- adapter
- spacer
- inner conductor
- coaxial connector
- 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.)
- Granted
Links
- 239000004020 conductor Substances 0.000 claims abstract description 77
- 125000006850 spacer group Chemical group 0.000 claims abstract description 42
- 239000011324 bead Substances 0.000 claims description 16
- 210000002105 tongue Anatomy 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
- H01R24/50—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted on a PCB [Printed Circuit Board]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
- H01R24/54—Intermediate parts, e.g. adapters, splitters or elbows
-
- 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
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid 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
- 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
- H01R12/91—Coupling devices allowing relative movement between coupling parts, e.g. floating or self aligning
Definitions
- the present invention is in the field of coaxial connectors for printed circuit boards.
- circuit board coaxial connectors are known in the art. These connectors have a multi-part construction with a first and a second connector part, which are operatively connected to each other via an adapter piece. Problems are that these connectors usually have a complicated structure and / or allow only insufficient room for maneuver.
- US4925403 was published 1 988 and shows a Koxialverbinder of the type described with an adapter piece.
- the connector is constructed so that it can compensate for a certain lateral offset.
- No. 5,879,177 shows another connector having a first and a second connector part, which can be operatively connected by an adapter piece.
- the adapter piece is used to compensate for a certain lateral offset.
- WO0052788A1 of the same Applicant was published in 2000 and shows an improved connector of the generic type.
- the connector has a first and a second connector. derteil on which can be operatively connected via an adapter piece.
- a ball joint is used at least on one side.
- EP1 207592 was published in 2002 and relates to a coaxial connector assembly having a first and a second coaxial connector and a contact sleeve connecting them.
- the contact sleeve is designed so that it can be tilted laterally in a predetermined range.
- the first coaxial connector and the contact sleeve have a latching connection in the region of their outer conductor.
- the locking connection in the outer conductor has a restricting effect on the freedom of movement. All first coaxial connectors are in a common first plastic housing and all second coaxial connectors are arranged in a common second plastic housing.
- An object of the invention is to show an improved connector of the generic type. Another object is to show a connector with an extended range of functions.
- An inventive coaxial connector PCB (henceforth coaxial connector) has a multi-part construction with a first and a second coaxial connector part, which can be operatively connected to each other via an adapter piece with a coaxial structure.
- the adapter piece has a first and a second end with an inner and an outer conductor, which with corresponding inner, resp. External conductors of the connector parts can be operatively connected.
- At least one connector side has mechanical Active connection means, which "firmly" connects the corresponding connector part and the associated end of the adapter with each other, ie the connection under normal circumstances is no longer solvable or releasable against an increased force
- the operative connection of the other connector part with the adapter For example, in one embodiment, at a distance of 1 mm, the connector may be offset by ⁇ 1 ⁇ 2 mm
- the connector parts may extend telescopically apart.
- at least one of the connector parts or the adapter has a sleeve-shaped inner conductor, in which vo m corresponding counterpart dips a ball-like element and is arranged displaceably in this in the axial direction. So that the largest possible axial and lateral displacement is possible, the sleeve-shaped conductor protrudes in the axial direction over the operative connection means.
- the inner and the outer conductor of the adapter piece are positioned over a spacer relative to each other.
- the spacer may have a multi-part construction in the axial direction, so that the adapter piece is e.g. is easily scalable in length, without the spacer has to be adapted consuming.
- One advantage is that always the same spacers can be used.
- Another advantage is that the spacers can have different colors, which makes the correct assembly of the very small parts visually easy to control.
- the first and the second connector part are identical.
- the connector parts are designed such that a drogue can be attached to them. This can eg by pressing, Gluing, friction welding, etc. are attached.
- the drogue is usually mounted on a detachable connector side and serves to catch the counterpart.
- One advantage is that the drogue can be adapted to the requirements. If necessary, the drogue can be made of a favorable material. Furthermore, it is possible to combine several drogue in a component. Depending on the application, the drogue can also be used for other connectors.
- the defined by the funnel radial catching area must be adjusted by increasing the size of the funnel, as a rule, when the PCB distance is greater, so that the longer and thus further swiveling adapter can be deflected when connecting to the counterpart. This is usually not desirable for reasons of space.
- the maximum possible lateral inclination is limited by mechanical means as a function of the connector spacing. Due to the embodiment and geometry of the invention, the axial tolerance range for the printed circuit board spacing is increased. This is normally ⁇ 0.3 mm. In contrast, a connector according to the invention allows a tolerance range in the order of ⁇ 1 .2 mm.
- the radial catch area (funnel) generally has to be increased when the printed circuit board spacing increases, so that the longer and thus further swiveling adapter can be deflected into the counterpart. This is usually not desirable for reasons of space.
- the maximum inclination of the snapped-in adapter can be limited depending on the desired distance between the two printed circuit boards at a given radial catching area by matching the diameters of the adapter and the connector parts as a function of the desired angle.
- One embodiment relates to a coaxial connector having a first and a second connector part and an adapter arranged between them.
- the first and the second connector part have a first inner conductor and a first outer conductor, which are fixedly connected to one another via a first spacer.
- the first inner conductor has a first inner cylindrical contact surface and the first outer conductor has a second inner cylindrical contact surface.
- the adapter has a second inner and a second outer conductor, which are operatively connected via a second spacer.
- the second inner conductor and the second outer conductor have at their ends elastic spring tongues with radially protruding contact beads, which in the assembled state interact electrically conductively with the inner cylindrical contact surfaces of the first and second inner conductors of the first and second connector parts.
- the elastic spring tongues together with the contact beads serve to produce and maintain a secure electrical connection.
- first mechanical operative connection means are arranged, which cooperate in the assembled state with second mechanical operative connection means of the adapter to form an axially effective mechanical connection.
- the mechanical active connection means may be a ball and a pan, or a groove and a protruding retaining bead, which cooperate positively in the assembled state.
- a sleeve-shaped part of the first inner conductor is at least on the side of the mechanical connection in the axial direction on the mechanical operative connection means, such that an axial offset of the connector parts relative to the adapter is compensated by a telescopic displacement of at least one connector part relative to the adapter.
- the first mechanical operative connection means may be a radially outwardly projecting retaining bead on the first spacer and the second mechanical operative connection means may be a circumferential groove disposed on an inner surface of the second spacer, which are operatively connected, for example, by snapping can.
- the second inner conductor of the adapter can have a cross-sectional constriction in an area behind the first spring tongues, which allows an enlarged tilt angle ⁇ in the lateral direction.
- the second spacer of the adapter has in a preferred embodiment in the axial direction of a multi-part construction.
- the multi-part design allows easy scaling of the length while maintaining the same spacers. By using different materials, it can be optically displayed if the connector is mounted correctly.
- the second spacer may consist of a first and a second part, which are made of different materials.
- On the side of the detachable connector part e.g. normally uses a comparatively soft material, which is one more deformable.
- On the side of the detachable connector part is advantageously used a material which has a better thermal conductivity.
- the spacer can be used in a suitable design for other connectors with a similar structure.
- FIG. 1 shows a connector according to the invention in a front view in the assembled state.
- FIG. 2 shows a sectional view through the connector according to FIG. 1;
- FIG. 3 is a perspective sectional view of the connector according to FIG. 1 in a non-operatively connected state
- FIG. 4 shows the connector in a plan view in a deflected state.
- 5 shows a section through FIG. 4 along the section line BB;
- Fig. 6 shows two adapters in a plan view
- FIG. 7 the adapter according to Figure 6 in a sectional view along the section line CC.
- FIG. 1 shows a coaxial connector 1 according to the invention with a first connector part 2, a second connector part 3 and an adapter 4, which serves for the operative connection of the first to the second connector part 2, 3.
- the connector parts 2, 3, as well as the adapter 4 have a coaxial structure.
- FIG. 1 shows the coaxial connector 1 in the operatively connected state in a front view.
- FIG. 2 shows a sectional view through the connector 1 along the section line AA according to FIG. 1.
- Figure 3 shows the connector parts 2, 3 and the adapter 4 in a perspective view obliquely from above.
- the connector parts 2, 3, 4 are arranged one above the other, but not operatively connected.
- the connector parts 2, 3, 4 are shown cut, so that the inner life can be seen.
- the first and the second connector part 2, 3 have an identical construction in the illustrated embodiment. If necessary, it is possible, the first and the second connector part 2, 3 meet the requirements not identical. Furthermore, the parts 2, 3, 4, in contrast to the prior art, a comparatively simple structure, which can be mounted with little effort. This has a positive effect on the production costs.
- the first and the second connector part 2, 3 each have a cylindrical inner conductor 5, which is configured in each case sleeve-shaped at its front end 6. As can be seen in Figure 2, the inner conductor 5 is positioned and held by a first here rotationally symmetrical spacer 7 with respect to a sleeve-shaped outer conductor 8 at its front end.
- the outer conductor 8 is cylindrical at least in the front region and arranged coaxially with respect to the inner conductor 5.
- both the first spacer 7 and the inner conductor 5 are arranged in the interior of the sleeve-shaped part of the outer conductor 8.
- the first spacer 7 can be fastened in the housing of the first external conductor 8.
- Other types of fastening are possible.
- the first inner conductor 5 is fixed in the first spacer 7 by pressing. Again, other types of attachment are possible.
- the first spacer 7 extends along the first inner conductor 5 and forms a here on the inner conductor 5 adjacent substantially cylindrical base portion 1 7, on which an outwardly projecting, annular retaining bead 1 0 (first operative connection means) is formed is.
- the retaining bead 10 is formed at the rear, non-free end of the base portion. As shown, this engages in the assembled state in an annular groove 1 1 (second operative connection means) of a second spacer 1 2.1 of the adapter 4 and forms with this an articulated mechanical connection 1 3.
- the mechanical connection is usually designed as a releasable snap connection and makes it possible to separate the adapter 4 from the first connector part 2 by applying a certain force in the axial direction.
- the mechanical connection 1 3 has a certain play, which makes it possible to tilt the adapter 4 in the lateral direction by a certain angle ⁇ with respect to the first connector part 3 (see FIG. 5).
- another embodiment of the active connection means 20, 21 possible.
- one of the holding means can also be configured as a depression in the outer conductor into which a protruding bead of the outer conductor of the adapter snaps.
- the range of motion is smaller.
- a drogue 26 is attached on the second connector part 3, which simplifies the assembly.
- the drogue 26 serves as an assembly aid by safely guiding the free end of the adapter 4 in the space provided for the inner conductor 8.
- the second spacer is 1 2.1, 1 2.2 of the adapter 4 in the embodiment shown in two parts and has a first and a second part 1 2 (1 2.1, 1 2.2) on.
- the second spacer 1 2 positioned a second inner conductor 1 4 relative to a second outer conductor 1 5 of the adapter 4.
- Both the inner and the outer conductor 14, 1 5 have first and second spring tongues 1 8, 1 9, the first at their ends and second Druckwulste 20, 21, which are formed circumferentially projecting in the embodiment shown.
- the outer surfaces of the contact beads 20, 21 are advantageously configured similar to a sphere.
- the spring tongues 1 8, 1 9 are functionally separated from each other by slots 22, 23 and can deflect in the radial direction.
- the slots are arranged either radially or in pairs in parallel (see Figure 3).
- the contact beads 20, 21 form an operative connection with inner lying first and second contact surfaces 24, 25 of the inner conductor 5 and the outer conductor 8.
- the contact surfaces 24, 25 are matched in length, so that the adapter 4 with respect to the second connector part 3 in the axial direction (z-axis) telescopically moved, respectively can be extended.
- the inner conductor 5 is in the axial direction by a distance a via the active connection means 1 0, 1 1 before.
- the distance a corresponds in the Crössen instrument the axially compensated shift.
- the active length L2 of the external In the embodiment shown, the conductor 8 (see FIG. 5) is larger than the active length LI of the inner conductor 5. It is thereby achieved that first the outer conductor 8 and only then the inner conductor 5 are operatively connected during the connection.
- the first and second contact beads 20, 21 are arranged in the axial direction at substantially the same height.
- the contact beads 20, 21 may also be arranged at different heights. There is the possibility if necessary to generate a certain restoring force, which prevents unwanted tilting, respectively skew the adapter with respect to the first connector part 2. This can be particularly advantageous during assembly.
- Figure 4 shows the connector 1 according to Figures 1 to 3 in a plan view and Figure 5 shows a sectional view through the connector along the section line BB according to Figure 4.
- the connector 1 is shown in a deflected state.
- the first and the second connector part 2, 3 are arranged laterally (y-direction) offset from one another.
- the axial offset is indicated by dy.
- the second relative to the first connector part is displaced in the axial direction (schematically indicated by dz).
- the cylindrical contact surfaces 24, 25 of the outer conductor 5, 8 are designed much longer in contrast to the prior art in the embodiment shown, so that the connector part 3 relative to the adapter 4 in the axial direction can extend comparatively far.
- the connector 1 can be used much wider than the connector known from the prior art.
- the first contact bead 20 is extended in the interior of the first inner conductor 5 by dz over the first operative connection means 10 in the axial direction.
- a drogue 26 is mounted on the second connector part 3, which simplifies the insertion of the free end of the adapter 4 into the second connector part 26 during the connection.
- the drogue 26 is shown in the embodiment shown. However, it can also be attached in other ways.
- the drogue may be made of metal or plastic or other suitable material.
- the second inner conductor 14 of the adapter 4 in the area behind the second spring tongues 1 9 cross-sectional constrictions 27, in which the first outer conductor of the first connector part 2 can dip when the adapter 4 relative to the first, respectively.
- the second connector part 2, 3 is tilted in the retracted state by the angle ⁇ .
- cross-sectional constrictions 27 of the possible lateral offset range over the conventional connectors is increased.
- the cross-sectional constriction may also be required only on one side.
- the maximum possible tilt angle ⁇ is limited by a diameter D of a shoulder 31 of the adapter 4, or the outer conductor 1 5, which comes into contact with the inner surface (second contact surface) 25 in the maximum deflected state.
- the tilt angle ⁇ depending on the length L of the adapter 4 and an inner diameter Di of the second contact surface 25 can be adjusted to a diameter Df of the drogue 26.
- the diameter D and spacers can be used, which are placed on the adapter 4 or the first connector part 2.
- the described function of the cross-sectional constriction, respectively the spacer sleeve can also be used for other connectors with a similar structure (first and second connector part, which are operatively connected to each other via an adapter) to limit their relative lateral deflection (maximum tilt angle) and thus to the capture area determine.
- FIGS. 7a and 7b two adapters 4 are shown side by side in a plan view.
- FIGS. 7a and 7b the adapters 4 are shown in a sectional view along the section line CC.
- the second spacer 1 2 is designed in two parts and be is from the perspective of the consideration of a lower spacer 1 2.1 and an upper spacer 1 2.2.
- the advantage is that the adapter piece 4 can be easily adapted in its length 13, L4 (see FIG. 7) by modifying only the inner and outer conductors 14, 15 in their length 13, L4.
- the lower and the upper spacer 1 2.1, 1 2.2 can be taken unchanged. This reduces the cost of Herste II.
- Another advantage is that the lower and the upper spacer 1 2.1, 1 2.2 may have different colors.
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2010/050809 WO2011088902A1 (en) | 2010-01-25 | 2010-01-25 | Circuit board coaxial connector |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2529451A1 true EP2529451A1 (en) | 2012-12-05 |
EP2529451B1 EP2529451B1 (en) | 2013-12-11 |
Family
ID=42111666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10702084.4A Active EP2529451B1 (en) | 2010-01-25 | 2010-01-25 | Circuit board coaxial connector |
Country Status (7)
Country | Link |
---|---|
US (1) | US8801459B2 (en) |
EP (1) | EP2529451B1 (en) |
KR (1) | KR101529374B1 (en) |
CN (1) | CN102714385B (en) |
BR (1) | BR112012018469A2 (en) |
TW (1) | TWI452777B (en) |
WO (1) | WO2011088902A1 (en) |
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2010
- 2010-01-25 BR BR112012018469A patent/BR112012018469A2/en not_active Application Discontinuation
- 2010-01-25 EP EP10702084.4A patent/EP2529451B1/en active Active
- 2010-01-25 CN CN201080062190.XA patent/CN102714385B/en active Active
- 2010-01-25 US US13/575,262 patent/US8801459B2/en active Active
- 2010-01-25 WO PCT/EP2010/050809 patent/WO2011088902A1/en active Application Filing
- 2010-01-25 KR KR1020127022272A patent/KR101529374B1/en active IP Right Grant
- 2010-10-28 TW TW099137049A patent/TWI452777B/en active
Non-Patent Citations (1)
Title |
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See references of WO2011088902A1 * |
Also Published As
Publication number | Publication date |
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CN102714385B (en) | 2014-12-03 |
EP2529451B1 (en) | 2013-12-11 |
US8801459B2 (en) | 2014-08-12 |
TWI452777B (en) | 2014-09-11 |
TW201131907A (en) | 2011-09-16 |
KR101529374B1 (en) | 2015-06-16 |
BR112012018469A2 (en) | 2016-04-12 |
US20120295478A1 (en) | 2012-11-22 |
CN102714385A (en) | 2012-10-03 |
KR20120127619A (en) | 2012-11-22 |
WO2011088902A1 (en) | 2011-07-28 |
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