CN103329635A - Direct electric contacting arrangement for lands on a printed circuit board - Google Patents

Direct electric contacting arrangement for lands on a printed circuit board Download PDF

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Publication number
CN103329635A
CN103329635A CN2012800053440A CN201280005344A CN103329635A CN 103329635 A CN103329635 A CN 103329635A CN 2012800053440 A CN2012800053440 A CN 2012800053440A CN 201280005344 A CN201280005344 A CN 201280005344A CN 103329635 A CN103329635 A CN 103329635A
Authority
CN
China
Prior art keywords
printed circuit
contact
wedge
circuit board
abutment face
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
Application number
CN2012800053440A
Other languages
Chinese (zh)
Inventor
S.吕丁格
T.海因里希
M.福格尔格桑
M.弗莱格
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of CN103329635A publication Critical patent/CN103329635A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/11Printed elements for providing electric connections to or between printed circuits
    • H05K1/117Pads along the edge of rigid circuit boards, e.g. for pluggable connectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural 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
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/72Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/721Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09Shape and layout
    • H05K2201/09145Edge details
    • H05K2201/09154Bevelled, chamferred or tapered edge

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The invention relates to a direct electric contacting arrangement (1) having the following: a printed circuit board (2) with at least one land (3) and with a ramp (5) that is arranged in front of the land (3) in the direction of the printed circuit board edge (4), the printed circuit board (2) surface that adjoins the printed circuit board edge (4) being damage-prone up to a specified distance (s) from the edge; and a contact carrier (10) with at least one electric spring contact (11) that has a curved contact dome (12). In order to make direct electric contact, the contact carrier (10) and the printed circuit board (2) are movable on top of the other in parallel, in particular insertable into each other, until the curved contact dome (12) of the spring contact (11) rests on the land (3) after sliding up the ramp (5). According to the invention, the ramp (5) projection (h) that projects beyond the land (3) is selected such that immediately after sliding up the ramp (5), the contact dome (12) of the spring contact (10) contacts the land (3) at a distance (A) that is greater than the damage-prone distance (s) from the edge.

Description

The direct contact device of electricity that is used for the contact abutment face on the printed circuit board
Technical field
The present invention relates to a kind of direct contact device of electricity of type according to claim 1.
Background technology
Control appliance is comprised of printed circuit board and housing mostly, at this printed circuit board electronic component is set.In motor control apparatus, multiple plug has been installed on printed circuit board usually, be electrically connected in order between bunch of cables plug and printed circuit board, set up.Therefore multiple plug (Messerleiste) is a kind of optional feature when control appliance is installed.
The direct contact device of the so-called electricity of cicada also, each that has wherein omitted multiple plug and bunch of cables extremely directly contacts at printed circuit board.For this reason, be provided with outstanding electric contact abutment face (" by face ") at printed circuit board, it is by being parallel to the electrical spring contact contact of that printed circuit board is pushed to or the bunch of cables contact holder that inserts.At this, be subjected to the working condition restriction between printed circuit panel edges and abutment face, to keep all the time a distance.
When being installed in the bunch of cables contact holder on the printed circuit board, the contact utilizes its contact point (for example utilizing the contact bend) at first to slide to cover the docking wedge of printed circuit panel edges, slips over subsequently approximately 0.7mm and sliding at abutment face subsequently of printed circuit board.Or rather, this contact point carries out maximum deflection at the peak place of docking wedge, and a little lax at printed circuit board subsequently, and again is bound to subsequently on its original water plane, and after this this contact point arrives abutment face.Because abutment face is placed on the printed circuit board, so it is with respect to the printed circuit board surface approximately 100 μ m that raise.Form thus dangerous cusped edge, it may damage contact point on rising to abutment face the time.Because this rising and slip, spring contact may particularly repeatedly disconnect-and closing course in but also may be damaged in grafting first time process.
Summary of the invention
Correspondingly, the object of the invention is to, in the direct contact device of this electricity, prevent this damage of spring contact.
Described purpose realizes by a kind of direct contact device of electricity with the described feature of claim 1 according to the present invention.
According to the present invention, between docking wedge and abutment face, approximately the wide printed circuit board section of 0.7mm is for example removed by milling, thus when mounted, the grafting stroke has shortened approximately 0.7mm, that is to say when installation and removal and shortened approximately 1.4mm, and the contact no longer bounces back in its initial position between docking wedge and abutment face.Owing to milling away the printed circuit board section, can not get rid of following situation: abutment face towards damaged by the arris of the printed circuit panel edges of milling.In order to make the contact utilize its crooked contact bend to bring up to reliably on the possible impaired zone of abutment face, dock wedge wedge, that exceed abutment face and exceed highly like this selection, so that spring contact utilizes its contact bend to touch abutment face with a distance of damaging dangerous zone that has greater than abutment face after crossing the docking wedge immediately.Crossing docking towards the spring contact of abutment face prestress and utilizing immediately after the wedge its crooked contact bend to touch abutment face with the Edge Distance that does not damage danger by rising on the docking wedge.The wedge of selecting corresponding to the bending that the dangerous Edge Distance of damage and contact bend are arranged exceeds highly particularly can realize following advantage:
-without closing course and the disconnection process damaged;
-cancelled the preliminary treatment of the costliness of impaired printed circuit board arris, this is to damage dangerous surf zone because the contact bend of spring contact is lifted to cross;
-only minimally improve mating force;
-irrelevant with installing space;
-be arranged in contact holder, the particularly less plastic deformation of the spring contact of U-shaped, this is because the contact bend only minimally is disconnected when direct contact; The thrust of spring contact remains unchanged.
-shortened approximately printed circuit board and the corresponding shorter grafting stroke of 0.7mm.
The present invention also relates to a kind of printed circuit board direct contact device of this electricity, that have the described feature of claim 9 that is suitable for.
The favourable design of theme of the present invention and other advantage draw from specification, drawings and the claims.
Description of drawings
Embodiment shown in the middle with reference to the accompanying drawings demonstration of the below describes the present invention in detail.There is shown:
Fig. 1 schematically shows the longitudinal section according to the direct contact device of electricity of the present invention for the printed circuit board of motor controller; With
Fig. 2 shows among Fig. 1 according to the direct detailed view not in scale of contact device of the electricity of II.
Embodiment
Electricity shown in Fig. 1 directly contact device 1 comprises printed circuit board 2, this printed circuit board has a plurality of parallel electric contact abutment faces (Kontakt-landefl che) disposed thereon (" by face Lands ") 3, wherein only can see one in shown longitudinal section.Substitute and to go out as shown ground only on a side, abutment face 3 also can be arranged on two sides of printed circuit board 2.
Abutment face 3 extends to respectively and is in close proximity to printed circuit panel edges 4, this printed circuit panel edges to be fabricated to condition by milling.Printed circuit board 2 be contiguous to this by the surface on the printed circuit panel edges 4 of milling since milling process and impaired to predetermined for example for the Edge Distance s of 0.2mm or to be defined as possible damage dangerous, that is to say in this zone because abutment face 3 rupture (Ausbr ü chen) can appear in the milling process on the printed circuit panel edges 4.From printed circuit panel edges 4s, abutment face 3 extend to no longer be damaged, in the zone away from the edge.In addition, printed circuit board 2 also has the docking wedge (Auflaufkeil) 5 before printed circuit panel edges 4 is arranged on abutment face 3.As shown in Figure 2, abutment face 3 is directly connected on the wedge end face 6 of docking wedge 5, and it for example has approximately the wedge of 5 μ m to 10 μ m with respect to abutment face 3 and exceeds height h.
Directly contact device 1 comprises that also one has the contact holder 10 of a plurality of electrical springs contact 11, wherein can only see one in the longitudinal section shown in Figure 1.Spring contact 11 has respectively the contact bend (Kontaktkuppe) 12 of a bending, is used for carrying out electricity with abutment face 3 and directly contacts.Spring contact 11 for example can be connected to extremely going up of bunch of cables (cable strand).
In order to form directly contact of electricity, printed circuit board 2 and contact holder 10 movements parallel to each other and particularly mutually peg graft are until by rising on the docking wedge 5 and the spring contact 11 of thus prestress utilizes its crooked contact bend 12 to drop on the abutment face 3 after docking wedge 5 immediately.(spring contact) that be placed on the abutment face 3 also continues mobile approximately 1mm subsequently, in order to remove the oxide layer that may exist.The wedge that exceeds abutment face 3 of docking wedge 5 exceeds height h in this such selection, so that spring contact 11 utilizes its contact bend 12 with distance A contact abutment face 3 after crossing docking wedge 5 immediately, this distance is damaged dangerous Edge Distance s greater than having.In other words, contact bend 12 crosses docking wedge 5 until the peak of docking wedge 5, and exceed height h because docking wedge 5 has exceeded wedge than abutment face 3, therefore be raised to printed circuit board 2 impaired milling zone the top and descend in the dangerous section's section of not damaging of abutment face 3 respectively reliably.Contact holder 10 subsequently can be by lax (freigespart) in the zone of docking wedge 5.
In shown embodiment, to damage dangerous Edge Distance s be 0.2mm when having, and when the radius of curvature R around the circle of central point M of contact bend 12 is 2.5mm, and it is about 8 μ m that the wedge that connects necessity of wedge 5 exceeds highly h.

Claims (10)

1. the direct contact device of electricity (1), have: printed circuit board (2), described printed circuit board has at least one electric contact abutment face (3) and docking wedge (5), described docking wedge is arranged on described abutment face (3) before towards printed circuit panel edges (4), wherein said printed circuit board (2) be contiguous on the described printed circuit panel edges (4) the surface until predetermined Edge Distance (s) have damage dangerous; And contact holder (10), described contact holder has at least one electrical spring contact (11), described spring contact has crooked contact bend (12), wherein in order to realize directly contact of electricity, described contact holder (10) and described printed circuit board (2) can movements parallel to each other, particularly can peg graft each other, until described spring contact (11) utilizes its crooked contact bend (12) to be resisted against on the described abutment face (3) crossing described docking wedge (5) afterwards
It is characterized in that, wedge described docking wedge (5), that exceed described abutment face (3) exceeds height (h) to be selected like this, so that described spring contact (10) utilizes its contact bend (12) with greater than there being the distance (A) of damaging dangerous Edge Distance (s) to contact described abutment face (3) crossing described docking wedge (5) afterwards immediately.
2. direct contact device according to claim 1 is characterized in that, described abutment face (3) extends to and is in close proximity to described printed circuit panel edges (4).
3. direct contact device according to claim 1 and 2 is characterized in that, has the Edge Distance (s) of the danger of damaging to be at least about 0.1mm, to be preferably at least about 0.2mm.
4. according to each described direct contact device in the aforementioned claim, it is characterized in that, the described wedge of described docking wedge (5) exceeds height (h) at about 5 μ m with approximately between the 20 μ m.
5. according to each described direct contact device in the aforementioned claim, it is characterized in that, described abutment face (3) is directly connected on the wedge end face (6) of described docking wedge (5).
6. according to each described direct contact device in the aforementioned claim, it is characterized in that, damage dangerous Edge Distance (s) when being about 0.2mm and in the bending radius (R) of described contact bend (12) when being about 2.5mm having, the wedge of described docking wedge (5) exceeds height (h) at about 5 μ m with approximately between the 15 μ m.
7. according to each described direct contact device in the aforementioned claim, it is characterized in that, described contact holder (10) is relaxed in the zone of described docking wedge (5).
8. according to each described direct contact device in the aforementioned claim, it is characterized in that, described printed circuit board (2) has a plurality of parallel electric contact abutment faces (3), and described contact holder (10) utilizes respectively spring contact (11) to be resisted against on the described electric contact abutment face.
9. a printed circuit board (2) has: at least one electric contact abutment face (3) is used for electricity and directly contacts; With docking wedge (5), described docking wedge is arranged in described abutment face (3) before towards printed circuit panel edges (4), wherein said printed circuit board (2) be contiguous on the described printed circuit panel edges (4) the surface until predetermined Edge Distance (s) have damage dangerous, and described abutment face (3) is arranged on and damages outside the dangerous Edge Distance (s)
It is characterized in that, described abutment face (3) extends on the wedge end face (6) that is in close proximity to described printed circuit panel edges (4) and is directly connected to described docking wedge (5).
10. printed circuit board according to claim 9 is characterized in that, have to damage dangerous Edge Distance (s) at about 0.1mm with approximately between the 0.2mm, and the wedge of described docking wedge (5) exceeds height (h) at about 5 μ m with approximately between the 15 μ m.
CN2012800053440A 2011-01-13 2012-01-03 Direct electric contacting arrangement for lands on a printed circuit board Pending CN103329635A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011002662.2 2011-01-13
DE201110002662 DE102011002662A1 (en) 2011-01-13 2011-01-13 Direct contact electrical contact arrangement for contact landing area on a printed circuit board
PCT/EP2012/050032 WO2012095333A1 (en) 2011-01-13 2012-01-03 Direct electric contacting arrangement for lands on a printed circuit board

Publications (1)

Publication Number Publication Date
CN103329635A true CN103329635A (en) 2013-09-25

Family

ID=45497977

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012800053440A Pending CN103329635A (en) 2011-01-13 2012-01-03 Direct electric contacting arrangement for lands on a printed circuit board

Country Status (5)

Country Link
EP (1) EP2664223A1 (en)
CN (1) CN103329635A (en)
BR (1) BR112013017558A2 (en)
DE (1) DE102011002662A1 (en)
WO (1) WO2012095333A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0886349A2 (en) * 1997-06-19 1998-12-23 Thomas & Betts Corporation Improved single-sided, straddle mount printed circuit board connector
CN1385929A (en) * 2001-05-11 2002-12-18 汤姆森许可公司 Interface for printed circuit with I/O connector
CN1534836A (en) * 2003-03-27 2004-10-06 广濑电机株式会社 Transfer substrate and connector assembly formed by connecting transfer substrate and connector

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2460552A1 (en) * 1979-07-02 1981-01-23 Bunker Ramo PCB tapered insertion edge - is fitted separately to PCB and has arched profile
JP3894774B2 (en) * 2001-10-31 2007-03-22 富士通株式会社 Card edge connector and method for manufacturing the same, electronic card and electronic device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0886349A2 (en) * 1997-06-19 1998-12-23 Thomas & Betts Corporation Improved single-sided, straddle mount printed circuit board connector
CN1385929A (en) * 2001-05-11 2002-12-18 汤姆森许可公司 Interface for printed circuit with I/O connector
CN1534836A (en) * 2003-03-27 2004-10-06 广濑电机株式会社 Transfer substrate and connector assembly formed by connecting transfer substrate and connector

Also Published As

Publication number Publication date
DE102011002662A1 (en) 2012-07-19
WO2012095333A1 (en) 2012-07-19
BR112013017558A2 (en) 2016-10-11
EP2664223A1 (en) 2013-11-20

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130925