WO2024251671A1 - Procédé d'assemblage d'un ensemble de plaques à circuit imprimé utilisant des éléments de centrage - Google Patents
Procédé d'assemblage d'un ensemble de plaques à circuit imprimé utilisant des éléments de centrage Download PDFInfo
- Publication number
- WO2024251671A1 WO2024251671A1 PCT/EP2024/065217 EP2024065217W WO2024251671A1 WO 2024251671 A1 WO2024251671 A1 WO 2024251671A1 EP 2024065217 W EP2024065217 W EP 2024065217W WO 2024251671 A1 WO2024251671 A1 WO 2024251671A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- printed circuit
- centering
- circuit board
- interconnection
- connection
- 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.)
- Ceased
Links
Classifications
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/36—Assembling printed circuits with other printed circuits
- H05K3/368—Assembling printed circuits with other printed circuits parallel to each other
-
- 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
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/144—Stacked arrangements of planar printed circuit boards
-
- 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
- H01R12/52—Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
-
- 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
- H05K2201/04—Assemblies of printed circuits
- H05K2201/042—Stacked spaced PCBs; Planar parts of folded flexible circuits having mounted components in between or spaced from each other
-
- 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
- H05K2201/10007—Types of components
- H05K2201/10189—Non-printed connector
-
- 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
- H05K2201/10227—Other objects, e.g. metallic pieces
- H05K2201/10325—Sockets, i.e. female type connectors comprising metallic connector elements integrated in, or bonded to a common dielectric support
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0147—Carriers and holders
- H05K2203/0165—Holder for holding a Printed Circuit Board [PCB] during processing, e.g. during screen printing
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/16—Inspection; Monitoring; Aligning
- H05K2203/167—Using mechanical means for positioning, alignment or registration, e.g. using rod-in-hole alignment
Definitions
- the present invention relates to the assembly of printed circuit boards and the electrical connection of these boards to each other.
- the invention relates more particularly to an assembly and electrical connection method for an electrical circuit assembly comprising several printed circuit boards stacked on top of each other.
- the automatic assembly process of automotive parts involves stacking printed circuit boards in housings and achieving electrical interconnection using solutions that connect the printed circuit boards together without using flexible electrical wires.
- the invention provides a method for assembling at least two printed circuit boards intended to be electrically interconnected in an axial connection direction, the method comprising the following steps: a) mounting at least one male interconnection element on the first interconnection face of a first printed circuit board, the male interconnection element comprising at least one connection pin which extends parallel to the axial connection direction, b) mounting at least one female interconnection element on the second interconnection face of a second printed circuit board, the female interconnection element comprising a housing capable of receiving by insertion the connection pin of the male interconnection element, c) positioning the second printed circuit board axially opposite the first printed circuit board, by means of a first support element which carries the first printed circuit board and by means of a second support element which carries the second printed circuit board, such that the male interconnection element is axially aligned with the associated female interconnection element, d) electrically connecting the two printed circuit boards by bringing the two printed circuit boards together until each connection pin is received in the housing of the associated female interconnection element in order to establish
- the method further comprises a step A) of assembling at least one centering part on at least one connection pin, before step d). Furthermore, during step d), the centering part cooperates with at least one centering pin carried by the second support element so as to guide the second printed circuit board relative to the first printed circuit board along a radial plane.
- the method according to the invention makes it possible to assemble and interconnect printed circuit boards blindly while being able to determine whether the interconnections are complete, without resorting to complex sensors.
- the method according to the invention makes it possible to reduce the size of the parts forming the set of printed circuit boards by reducing the size parts needed for centering when interconnecting multiple printed circuit boards.
- the invention it is possible to reduce the number of part references when the set of printed circuit boards comprises plates arranged at different heights.
- the centering function is achieved with greater precision which improves the quality of the assemblies and reduces defects on the assembled parts.
- the centering part comprises a centering orifice complementary to the centering pin, the entrance of the centering orifice comprising a first frustoconical section capable of guiding the free end of the centering pin towards the center of the centering orifice during step d);
- the centering piece is positioned in the vicinity of a free end of the connection pin by threading the centering piece onto the connection pin through an associated mounting hole arranged on the centering piece;
- step a) comprises the following sub-steps: a1) mounting at least one female interconnection element on the first interconnection face of the first printed circuit board, the female interconnection element comprising at least one housing capable of receiving the connection pin of the male interconnection element, a2) inserting the connection pin into the housing of the associated female interconnection element;
- - step a) comprises the following substep, implemented before substep a2): a1.1) assembling at least one stabilizer, the stabilizer being provided to rest on the first printed circuit board and hold the connection pin in the axial direction when the male interconnection element is fixed on the first printed circuit board;
- - step a) comprises the following substep, implemented after substep a1.1) and before substep a2): a1.2) positioning the male interconnection element, equipped with the stabilizer, on an intermediate support element capable of carrying at least one male interconnection element in the axial connection direction, and step a2) is implemented by relative movement of the first printed circuit board with respect to the intermediate support element in the axial connection direction until the connection pin is inserted into the housing of the associated female interconnection element and the stabilizer bears against the first interconnection face of the first printed circuit board;
- the invention also proposes a set of interconnected printed circuit boards comprising at least a first and a second printed circuit board at least partially superimposed in an axial direction of electrical connection, the first printed circuit board comprising on a first interconnection face at least one male interconnection element provided with at least one connection pin which extends parallel to the axial direction of electrical connection, and which is inserted into a housing belonging to a female interconnection element mounted on a second interconnection face of the second printed circuit board.
- connection pin is equipped with at least one centering piece which is threaded onto the connection pin and which has a centering hole capable of cooperating with a centering pin when plugging the connection pin into the female interconnection element.
- the male interconnection element comprises two connection pins and the centering piece comprises two mounting holes arranged on either side of the centering hole, the centering piece being threaded onto the two connection pins through the mounting holes;
- the male interconnection element comprises a group of several connection pins on which the centering piece is threaded at through associated mounting holes, said group of connection pins being inserted into a group of housings of the associated female interconnection element;
- the centering part comprises two centering holes arranged on either side of the group of connection pins, these centering holes being capable of cooperating with two associated centering pins when connecting the group of connection pins into the associated female interconnection element;
- the male interconnection element is equipped with a stabilizer which rests on the first printed circuit board so as to maintain the connection pin in the axial direction;
- the stabilizer comprises at least one fixing stud which is inserted into an associated fixing hole of the first printed circuit board;
- the stabilizer comprises at least one foot which rests on the first interconnection face of the first printed circuit board;
- the stabilizer comprises a main body provided with mounting holes allowing the stabilizer to be threaded onto the connection pin(s) through said mounting holes.
- FIG.1 is a diagram representing an electronic unit equipped with an electrical interconnection solution between a first and a second printed circuit board according to the invention
- FIG.2 is a perspective view which schematically represents a first embodiment of an interconnection assembly intended to equip the electronic unit of FIG. 1;
- FIG. 3 is a view similar to that of Fig. 2 which schematically represents a second embodiment of an interconnection assembly intended to equip the electronic unit of Fig. 1;
- FIG.4 is a side view schematically showing an intermediate step in the process of assembling and connecting the male interconnection elements on the first printed circuit board of FIG. 1;
- FIG.5 is a side view schematically showing another intermediate step for interconnecting the first printed circuit board to the second printed circuit board;
- FIG. 6 is a diagram showing the first printed circuit board and the second printed circuit board before centering
- FIG. 7 is a diagram showing the first printed circuit board and the second printed circuit board after centering
- FIG.8], [Fig.9], [Fig.10], [Fig.11] are diagrams similar to those of Figures 6 and 7 which represent assembly and interconnection steps and means for detecting the axial position of a centering pin at the end of the interconnection step.
- FIG. 1 schematically illustrates an electronic unit 10 comprising a housing 12 in which are arranged several printed circuit boards 14, 16 interconnected with each other.
- Each printed circuit board 14, 16 comprises a series of electronic components 18 which are intended to be electrically powered and controlled through printed circuits (not shown) and electrical interconnection elements 20, 22 which will be described later.
- the electronic unit 10 forms an assembly comprising a first printed circuit board 14, here located in the upper part of the housing 12, and a second printed circuit board 16, here located in the lower part of the housing 12.
- the two printed circuit boards 14, 16 are therefore superimposed in an axial direction of electrical connection A1 which here corresponds to a vertical orientation.
- the first printed circuit board 14 comprises on its first interconnection face 24 at least one male interconnection element 20 provided with at least one connection pin 26 which extends parallel to the axial direction of electrical connection A1.
- the male interconnection element 20 comprises two parallel connection pins 26.
- connection pin 26 is here inserted into a housing 28 belonging to an associated female interconnection element 22, mounted on a second interconnection face 30 of the second printed circuit board 16.
- the female interconnection element 22 is made up of two female connectors 32 which are mounted on the second interconnection face 30 of the second printed circuit board 16 and which respectively comprise two housings 28 provided to receive the free end of each connection pin 26.
- the male interconnection element 20 is made up of two female connectors 32, similar to those of the female interconnection element 22 and mounted on the first interconnection face 24 of the first printed circuit board 16, and the two connection pins 26.
- connection pins 26 are equipped with a centering piece 36 which is threaded onto the connection pins 26 and which comprises a centering orifice 38 capable of cooperating with a centering pin 40 when connecting the connection pins 26 into the female interconnection element 22.
- This step of the assembly method will be described subsequently, in particular in relation to FIGS. 6 and 7.
- the centering orifice 38 here comprises a first truncated cone section 39, or chamfer, at its entrance 41 and a second cylindrical section 43 complementary to a cylindrical end section 45 of the centering pin 40.
- FIG. 2 a first embodiment of an interconnection assembly 34 according to the invention is shown in more detail.
- This first embodiment concerns an interconnection assembly 34 for an electrical power supply line using two connection pins 26, here in the form of flat blades, to pass a supply current from the first printed circuit board 14 to the second printed circuit board.
- the interconnection assembly 34 is here represented in an inverted manner with respect to the configuration represented in FIG. 1, the male interconnection element 20 being located in the lower part and the female interconnection element 22 being located in the upper part.
- interconnection assembly 34 is here represented with the associated female connectors 32, plugged into each free end of the connection pins 26. It is of course understood that these female connectors 32 are previously mounted on the printed circuit boards 14, 16 before the connection pins 26 are plugged into these female connectors 32.
- the centering part 36 comprises two mounting holes 42, each with a cross-section complementary to the cross-section of the connection pins 26, i.e. here with a rectangular cross-section. These two mounting holes 42 are arranged at each radial end of the centering part 36, on either side of the centering hole 38. The centering hole 38 is therefore arranged in the center of the centering part 36, between the two connection pins 26.
- the male interconnection element 20 is equipped with a stabilizer 44 which rests on the first printed circuit board 14 so as to hold the connection pins 26 in the axial direction.
- the axial holding of the connection pins 26 by the stabilizer 44 is especially useful when mounting the male interconnection element 20 on the first printed circuit board 14, as will be explained later.
- the stabilizer 44 comprises fixing studs 46, here two in number, which are each inserted into an associated fixing hole 48 arranged in the first interconnection face 24 of the first printed circuit board 14.
- Each fixing stud 46 is here connected to the main body 50 of the stabilizer 44 by a radial arm 52 and it comprises a radial collar 54 which abuts against the first interconnection face 24 of the first printed circuit board 14.
- the two fixing studs 46 of the stabilizer 44 are diametrically opposed, on either side of the main body 50.
- the stabilizer 44 also comprises feet 56 which come to bear on the first interconnection face 24 of the first printed circuit board 14.
- the feet 56 are here two in number and are diametrically opposed relative to the main body 50.
- the feet 56 are here generally aligned along an axial plane passing through the two connection pins 26.
- the main body 50 of the stabilizer 44 is here provided with two mounting holes 58 which serve to thread the stabilizer 44 onto the two connection pins 26.
- each connection pin 26 comprises a first stop element 60 which makes it possible to axially retain the centering part 36 in a determined axial position on the connection pin 26 and a second stop element 62 which makes it possible to axially retain the stabilizer 44 in a determined axial position.
- the stop elements 60, 62 consist of bosses produced by stamping.
- FIG. 3 A second embodiment of an interconnection assembly 34 according to the invention will now be described in relation to FIG. 3.
- This second embodiment concerns an interconnection assembly 34 intended to transmit data.
- it uses a series of eight connection pins 26 in the form of elongated rods which allow data signals to pass from the first printed circuit board 14 to the second printed circuit board 16.
- This second embodiment is distinguished from the first embodiment mainly by the centering part 36 which comprises a main body 64 provided with a series of eight mounting holes 42 allowing the centering part 36 to be threaded onto the eight connection pins 26.
- the centering part 36 here comprises two centering holes 38 arranged on either side of the main body 64. These two centering holes 38 are designed to cooperate with two centering pins 40 as will be described later.
- the second embodiment is also distinguished from the first embodiment by the stabilizer 44 which here comprises a series of eight holes of assembly 58 allowing the stabilizer 44 to be threaded onto the eight connection pins 26.
- the stabilizer 44 is generally similar to the stabilizer 44 of the first embodiment.
- this method can be implemented to assemble more than two printed circuit boards, as is the case in a complex electronic unit 10 comprising more than two printed circuit boards arranged one above the other and interconnected, in particular when they are integrated in a housing 12 which is relatively compact compared to the number of electronic components 18 to be housed.
- Figure 4 illustrates a first step a) of mounting the male interconnection elements 20 on the first interconnection face 24 of the first printed circuit board 14.
- This step a) aims to allow the mounting of the male interconnection elements 20 on the first interconnection face 24 so that the connection pins 26 extend parallel to the axial connection direction A1, here downwards, when the first printed circuit board 14 is oriented vertically.
- Step a) comprises a first sub-step a1) of mounting the female connectors 32 on the first interconnection face 24 of the first printed circuit board 14.
- Each female connector 32 comprises a housing 28 capable of receiving an associated connection pin 26 in order to form the male interconnection element 20.
- the method proposes a sub-step a1.1) during which the stabilizers 44 are assembled on the connection pins 26 by threading them onto the connection pins 26 via their mounting holes 42.
- Each stabilizer 44 is positioned in the vicinity of a first free end 66 of the connection pins 26 in order to be mounted on the first interconnection face 24 of the first printed circuit board 14.
- the method comprises a step A) during which the centering parts 36 are assembled on the connection pins 26 by threading them onto the connection pins 26 through their mounting holes 42.
- Each centering part 36 is positioned on a second free end 68 of the connection pins 26, on the side opposite the stabilizer 44.
- the method comprises a sub-step a1.2) during which the connection pins 26, equipped with their stabilizers 44 and their centering parts 36, are positioned on an intermediate support element 70 capable of carrying these connection pins 26.
- the intermediate support element 70 may be in the form of a plate 72 comprising several platforms 74 of different heights intended to receive connection pins 26 of different lengths.
- This plate 72 makes it possible to retain the connection pins 26 in an axial position A1, so that they all extend in a direction parallel to the axial direction of electrical connection A1 and so that the first free ends 66 of the connection pins 26, which carry the stabilizers 44, are positioned at the same height, or at an adequate height, to allow their insertion into the female connectors 32 installed on the first interconnection face 24 of the first printed circuit board 14.
- all the female connectors 32 are mounted directly on the first interconnection face 24 of the first printed circuit board 14, without height differences, so that the first free ends 66 of the connection pins 26 are all at the same height.
- a first support element 76 carries the first printed circuit board 14 with its first interconnection face 24 facing the intermediate support element 70 and allows the movement of the first printed circuit board 14 towards the intermediate support element 70, along the axial electrical connection direction A1, until all the connection pins 26 carried by the intermediate support element 70 are inserted into the associated female interconnection elements 22.
- the stabilizers 44 are supported against the first interconnection face 24 of the first printed circuit board 14 by their feet 56 and the fixing pads 46 are received in the associated fixing holes 48, as illustrated in the upper part of figure 5.
- Figure 5 shows the first printed circuit board 14 equipped with its male interconnection elements 20, ready to be interconnected with the second printed circuit board 16 already assembled in the housing 12 of the electronic unit 10. It is noted that the connection pins 26 here extend axially A1 downwards with their centering parts 36 on the side of the second free end 68.
- the female interconnection elements 22 are mounted on the second interconnection face 30 of the second printed circuit board 16, this second interconnection face 30 here being turned upwards in the axial direction of electrical connection A1.
- the female interconnection elements 22 are here in the form of female connectors 32 similar to those used on the first printed circuit board 14 and designed to receive by insertion the connection pins 26 of the male interconnection elements 20.
- the first printed circuit board 14 is positioned opposite the second printed circuit board 16, here above, by means of a first support element 76 which carries the first printed circuit board 14 and a second support element 78 which carries the second printed circuit board 16 so that the male interconnection elements are axially aligned A1 with the associated female interconnection elements.
- the second support element 78 carries the housing 12 already preassembled with printed circuit boards and electronic components 18.
- the two printed circuit boards 14, 16 are electrically connected by interconnection by bringing the two printed circuit boards 14, 16 closer to each other until each connection pin 26 is received in the housing of the associated female connector 32.
- step d) the centering parts 36 cooperate with centering pins 40 carried by the second support element 78 so as to guide the second printed circuit board 16 relative to the first printed circuit board 14 along a radial plane.
- the first support element 76 is schematically shown, which carries the first printed circuit board 14 provided with a male interconnection element 20 formed here by two female connectors 32 equipped with two connection pins 26.
- the male interconnection element 20 is equipped with its stabilizer 44 which is mounted in the first interconnection face 24 and which provides a certain rigidity to the assembly, in particular so that the connection pins 26 are held in the axial direction A1.
- the male interconnection element 20 is also equipped with its centering piece 36 which here comprises the centering orifice 38 in its center, that is to say between the two connection pins 26.
- the second support element 78 which carries the second printed circuit board 16 provided with two female connectors 32 capable of receiving the second free end 68 of the two associated connection pins 26.
- the second support element 78 is provided with a centering pin 40 which extends axially towards the first printed circuit board 14, here upwards, through the second printed circuit board 16.
- the second printed circuit board 16 here has a window 80 which allows the passage of the centering pin 40.
- the two printed circuit boards 14, 16 are axially aligned so that the free end of each connection pin 26 is located opposite the associated female connector 32 of the second printed circuit board 16.
- the two support elements 76, 78 are gradually brought closer to each other. For example, the first support element 76 is moved axially towards the second support element 78. During this approach, the centering pin 40 is brought close to the centering orifice 38.
- the centering pin 40 penetrates into the center of the centering hole 38 and passes through it to an axial position in which the connection pins 26 are received in the female connectors 32 of the second printed circuit board 16, as illustrated in FIG. 7.
- the centering pin 40 comes into contact with the first frustoconical section 39, formed at the entrance to the centering orifice 38, then slides on this first frustoconical section 39 until guiding the centering pin 40 towards the center of the centering orifice 38 and its second cylindrical section 43.
- the free end of the centering pin 40 has a suitable shape, for example a substantially hemispherical or rounded tip, in order to ensure sliding on the first frustoconical section 39.
- the axial connection direction A1 could be oriented differently, for example extending in a horizontal direction instead of a vertical direction. It is understood that the printed circuit boards 14, 16 could be oriented differently, for example the first printed circuit board 14 could be arranged under the second printed circuit board 16.
- circuit board assembly 14, 16 is shown in reverse order relative to the previous figures, with the first circuit board 14 at the bottom and the second circuit board 16 at the top.
- the centering pin 40 is mounted to slide axially on the second support element 78 to allow it to occupy several axial positions relative to the support element 78 providing an indication of the state of the electrical connection between the male 20 and female 22 interconnection elements.
- the centering pin 40 is here connected to the second support element 78 by means of an elastic return element 82 which urges the centering pin 40 towards an axial rest position illustrated in FIG. 8.
- the elastic return element 82 is for example fixed on one side to the support element 78 and on the other to a fixing member 84 secured to the centering pin 40 in axial sliding, which defines an initial distance dO between the second support element 78 and the fixing member 84.
- the centering pin 40 comprises several axial markers R0, R1, R2 distributed axially along its length so as to allow a sensor 88, such as a camera, to easily determine the axial position of the centering pin 40 relative to the second support element 78.
- the sensor 88 is for example integral in axial displacement with the second support element 78.
- the centering pin 40 is received in the centering orifice 38 of the centering part 36.
- the centering pin 40 comprises a bearing surface 86 which comes to bear against the first frustoconical section 39, or chamfer, so that the axial position of the centering pin 40, or axial connection position, when the two printed circuit boards 14, 16 are interconnected, corresponds to a connection distance d1, between the second support element 78 and the fixing member 84, distinct from the initial distance dO, by stressing the elastic return element, here in extension, as illustrated in FIG. 9.
- an interconnection marker R1 is located opposite the sensor 88, which allows the completion of the interconnection to be validated visually.
- the centering pin 40 has passed next to the centering part 36, as shown in FIG. 10, the centering pin 40 has not encountered any axial support in its downward stroke so that it is in the same starting axial position as in FIG. 8, relative to the second support element 78.
- the distance between the second support element 78 and the fixing member 84 is always the initial distance d0 and the sensor 88 detects the initial position mark R0.
- the centering pin 40 occupies an axial off-center position in which the distance d2 between the second support element 78 and the fixing member 84 is greater since the fixing member 84 has moved away from the rear face of the second support element 78.
- the fixing member 84 pulls on the elastic return element 82.
- the sensor 88 detects a second mark R2 representative of an off-center position of the centering member 40 and an absence of connection for the associated interconnection elements.
- A1 axial direction of connection
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Multi-Conductor Connections (AREA)
- Combinations Of Printed Boards (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202480037530.5A CN121264178A (zh) | 2023-06-07 | 2024-06-03 | 使用定心元件连结印刷电路板的套件的方法 |
| KR1020257043803A KR20260015942A (ko) | 2023-06-07 | 2024-06-03 | 센터링 요소를 이용한 인쇄 회로 기판 세트의 결합 방법 |
| JP2025571314A JP2026519252A (ja) | 2023-06-07 | 2024-06-03 | センタリング要素を使用してプリント回路基板のセットを結合するための方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2305702A FR3149748B1 (fr) | 2023-06-07 | 2023-06-07 | Procédé d’assemblage d’un ensemble de plaques à circuit imprimé utilisant des éléments de centrage |
| FRFR2305702 | 2023-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024251671A1 true WO2024251671A1 (fr) | 2024-12-12 |
Family
ID=90721272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2024/065217 Ceased WO2024251671A1 (fr) | 2023-06-07 | 2024-06-03 | Procédé d'assemblage d'un ensemble de plaques à circuit imprimé utilisant des éléments de centrage |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2026519252A (fr) |
| KR (1) | KR20260015942A (fr) |
| CN (1) | CN121264178A (fr) |
| FR (1) | FR3149748B1 (fr) |
| WO (1) | WO2024251671A1 (fr) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120257360A1 (en) * | 2011-04-06 | 2012-10-11 | Hon Hai Precision Industry Co., Ltd. | Fixing apparatus for electronic device |
| US20140198471A1 (en) * | 2013-01-16 | 2014-07-17 | Fujitsu Limited | Connecting system of circuit boards |
| US20190387625A1 (en) * | 2016-11-25 | 2019-12-19 | Kawasaki Jukogyo Kabushiki Kaisha | Electric product |
| US20220201860A1 (en) * | 2020-12-21 | 2022-06-23 | Lg Electronics Inc. | Substrate layered structure and interposer block |
-
2023
- 2023-06-07 FR FR2305702A patent/FR3149748B1/fr active Active
-
2024
- 2024-06-03 KR KR1020257043803A patent/KR20260015942A/ko active Pending
- 2024-06-03 JP JP2025571314A patent/JP2026519252A/ja active Pending
- 2024-06-03 CN CN202480037530.5A patent/CN121264178A/zh active Pending
- 2024-06-03 WO PCT/EP2024/065217 patent/WO2024251671A1/fr not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120257360A1 (en) * | 2011-04-06 | 2012-10-11 | Hon Hai Precision Industry Co., Ltd. | Fixing apparatus for electronic device |
| US20140198471A1 (en) * | 2013-01-16 | 2014-07-17 | Fujitsu Limited | Connecting system of circuit boards |
| US20190387625A1 (en) * | 2016-11-25 | 2019-12-19 | Kawasaki Jukogyo Kabushiki Kaisha | Electric product |
| US20220201860A1 (en) * | 2020-12-21 | 2022-06-23 | Lg Electronics Inc. | Substrate layered structure and interposer block |
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| Publication number | Publication date |
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| JP2026519252A (ja) | 2026-06-12 |
| FR3149748A1 (fr) | 2024-12-13 |
| KR20260015942A (ko) | 2026-02-03 |
| FR3149748B1 (fr) | 2025-04-25 |
| CN121264178A (zh) | 2026-01-02 |
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