JPH10162914A - Circuit connecting device between printed boards and connecting method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a circuit connecting device in such a manner that a manufacturing cost is lowered by eliminating the need of a connector mounted on a printed board, and that a parts mounting area is extended on the printed board so as to provide the printed board with a high mounting density of circuit elements. SOLUTION: A female interboard connector part is provided on an end part of one printed board itself, and comprises a recessed part 2 constituted by an electrode part 3 having a contact part drawn out of a circuit wiring in its inside. A male interboard connector part is provided on an end part of the other printed board itself, and comprises a projecting part 4 constituted by an electrode part 5 having a contact part drawn out of a circuit wiring in its outside. The male interboard connector part is inserted into the female interboard connector part to establish a direct connection between the printed boards. Several printed boards can be connected to construct a large scale printed board.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a circuit board connecting device (connector) for connecting a printed circuit board directly to a part of the printed circuit board itself, and a method of connecting the circuit board.

[0002]

2. Description of the Related Art Conventionally, in order to connect wiring between printed circuit boards, it has been general to use various types of connecting devices or connectors prepared for the purpose. For example, there is a conventional connection device of this type as shown in FIG. FIG. 3 is a perspective view showing a conventional circuit connecting device between printed circuit boards. FIG. 3 (A) shows a printed circuit arranged on mutually corresponding surfaces of two printed circuit boards and directly connecting a male side and a female side. FIG. 3B is a perspective view of an inter-board connection device, and FIG. 2B is a perspective view of an inter-board connection device arranged on the same surface of two printed boards and connecting the printed boards via connection wires.

First, the configuration of a conventional printed circuit board connection device will be described with reference to FIG. In FIG. 3A, reference numerals 21A and 21B denote printed circuit boards on which electronic circuits and the like are disposed, and reference numeral 22 denotes a printed circuit board 21A and 21B on which the front surface or one end of the surface is overlapped, for example, one printed circuit board 21A. An I-shaped connector (female) 23 mounted on the surface and connected to the wiring of the circuit, 23 is an I-shaped connector (female) 2 mounted on the surface of the printed circuit board 21A.
2 is mounted on the surface of the printed board 21B facing the I-shaped connector (female) 22 facing the I-shaped connector 22, and is fitted into the I-shaped connector (female) 22 so that circuit wiring of the two printed boards 21A and 21B is performed. Is an I-shaped connector (male).

Next, in FIG. 3B, reference numerals 24A and 24B denote printed circuit boards on which electronic circuits and the like are disposed.
5A is, for example, a connector (female) mounted at one end on the surface of the printed circuit board 24A and connected to the wiring of the circuit;
25B is, for example, a connector (female) mounted on one end on the surface of the printed circuit board 24B and connected to the wiring of the circuit, and 27A is, for example, for drawing the wiring of the connector (female) 25A to the outside of the printed circuit board 24A. This is a connector (male) that is inserted and connected to the connector (female) 25A.

A connector (male) 27B is inserted and connected to a connector (female) 25B for drawing out the wiring of the connector (female) 25B to the outside of the printed circuit board 24B, and 26 is a connector (female) 25A and a connector (male). (Female) 25 B is a connection wire connected between corresponding pins of the printed circuit board 24 </ b> A and connected to the circuit wiring of the printed circuit board 24 </ b> B.

Next, referring to FIGS. 3A and 3B, a description will be given of a conventional method of connecting printed circuit boards. In FIG. 3A, a printed board 21B is connected to an I-shaped connector (female) 22 on the printed board 21A.
The upper I-shaped connector (male) is inserted to connect the circuit wirings of the two printed boards 21A and 21B. In this manner, the printed circuit board 21A and the printed circuit board 21B are mounted on the utilization device as one body.

In FIG. 3B, a connector (male) 27A connected to one end of the connection wire 26 is provided.
Into a connector (female) 25A mounted on the surface of the printed circuit board 24A, for example, and a connector (male) 27B connected to the other end of the connection wire 26.
Is inserted into, for example, a connector (female) 25B mounted on the surface of the printed board 24A, and the circuit wiring of the two printed boards 24A and 24B is connected.

[0008]

However, in the connection method between two printed circuit boards by the above-mentioned conventional connector, the connector itself uses a part of the area on the surface of the printed circuit board to effectively use the surface of the printed circuit board. There is a problem that the area is lost and the area on the printed circuit board cannot be effectively used.

Further, in the conventional method of connecting between two printed circuit boards using a connector, the connector must be prepared as a separate component, so that there is a problem in that the manufacturing cost of the connecting means is high.

In the above-described conventional connection method between two printed boards using a connector, in a manufacturing apparatus for mounting a connector or a circuit element on a printed board,
There is a limit on the mounting area in which the printed circuit board can be mounted, that is, the size of the printed circuit board that can be mounted, and there is a problem that the printed circuit board cannot be mounted on a manufacturing apparatus unless the printed circuit board is within a specified dimension. Therefore, when components and connectors need to be mounted on a large-area printed circuit board, the printed circuit board is divided into small parts to form a plurality of components.
Since the method of connecting the printed circuit boards with a connector has to be adopted, there is a problem that more connectors are required and an extra mounting area is required.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems. By forming an end portion of a printed circuit board itself as a circuit connection device (connector), a separate component is used for connection between a plurality of printed circuit boards. A printed circuit board with a high mounting density of circuit elements on the printed circuit board by reducing the manufacturing cost by eliminating the need for mounting the connector as a component, increasing the effective area of the board surface that can be used for mounting components of the printed circuit board It is an object of the present invention to provide a circuit connecting device and a connecting method between printed circuit boards, which can obtain the above.

Further, the present invention has been made to solve the above-mentioned conventional problems, and does not use a connector as a separate component for connection between a plurality of printed circuit boards, and uses a component mounting apparatus to print within a specified size. Even if one large-scale printed circuit board is configured by combining a plurality of boards, the effective area of the board surface that can be used for mounting other components without requiring an area for mounting a connector on the surface of the printed circuit board is increased. It is an object of the present invention to provide a circuit connection device and a connection method between printed boards, which can obtain a large-sized printed board having a high density of circuit elements mounted on the printed board.

[0013]

According to the present invention, there is provided an apparatus and a method for connecting a circuit between printed circuit boards, comprising an electrode portion provided at an end of one printed circuit board itself and having a contact portion drawn out from circuit wiring on an inner surface thereof. A male-type board composed of a female inter-board connector part composed of a concave part configured and a convex part composed of an electrode part provided at an end of the other printed circuit board itself and having a contact part drawn out from circuit wiring on an outer surface. And a connector between the male boards of the printed circuit board is inserted into the connector between the female boards to directly connect the circuit wiring between the printed boards.

According to the present invention, the end of the printed circuit board itself is configured as a circuit connection device (a connector between female boards or a connector between male boards), thereby mounting a connector as a separate component. Is not required, the manufacturing cost is reduced, the effective area of the board surface that can be used for mounting components on the printed board can be increased, and the mounting density of circuit elements on the printed board can be increased. It has the action of:

According to the present invention, there is provided a circuit connecting apparatus and a connecting method between printed boards, wherein the female type comprises a recess formed by an electrode portion provided on an end face of one printed board and having a contact portion drawn out from a circuit wiring on an inner face. A connector between the boards, a male-type board-to-board connector portion comprising a convex portion formed by an electrode portion provided on an end surface of the other printed board and having a contact portion drawn out from circuit wiring on the outer surface, and a plurality of A printed circuit board is arranged on the same plane, and a male board-to-board connector section of the printed board is directly inserted in parallel with a female board-to-board connector section to constitute one large-scale printed board.

According to the present invention, one large-scale printed circuit board is formed by configuring the end face of the printed circuit board itself as a circuit connection device (connector) for connection between a plurality of printed circuit boards. Even if one large-scale printed circuit board is configured by combining a plurality of boards, the effective area of the board surface that can be used for mounting components of the printed circuit board can be increased, and the mounting density of circuit elements on the printed circuit board can be increased. Has a function of obtaining a large-scale printed circuit board having a high density.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a recess formed by an electrode portion provided at an end of one printed circuit board itself and having a contact portion drawn out from a circuit wiring on an inner surface. A female inter-board connector part, and a male inter-substrate connector part consisting of a convex part formed by an electrode part provided at an end of the other printed circuit board itself and having a contact part drawn out from circuit wiring on the outer surface. A board that can be used for mounting components on a printed circuit board by inserting the connector between the male boards of the printed circuit board into the connector between the female boards and directly connecting the circuit wiring between the printed boards. This has the effect of increasing the effective area of the surface and increasing the mounting density of circuit elements on the printed circuit board.

According to a second aspect of the present invention, there is provided a method for manufacturing a printed circuit board, comprising the steps of: forming a concave portion formed by an electrode portion provided on an end surface of one printed circuit board itself and having a contact portion drawn out from a circuit wiring on an inner surface; A plurality of printed circuit boards, each of which includes a connector portion and a male-type board-to-substrate connector portion formed of an electrode portion having an electrode portion provided on an end surface of the other printed circuit board itself and having a contact portion drawn out from circuit wiring on an outer surface thereof; By arranging the boards on the same plane and directly inserting the male board-to-board connector section of the printed board in parallel with the female board-to-board connector section to constitute one large-scale printed board, Combining multiple
Even if a large-sized printed circuit board is configured, a large-sized printed circuit board with a high mounting density of circuit elements on the printed circuit board can have a large effective surface area that can be used for mounting components of the printed circuit board. Is obtained.

According to a third aspect of the present invention, a female inter-board connector portion is formed by an electrode portion having a contact portion connected to a circuit wiring on an end face of one printed circuit board itself, and the other printed circuit board is formed. A male board-to-board connector section is formed by an electrode section having a contact section connected to a circuit wiring on its own end face, and a printed board having a female board-to-board connector section and a printed board having a male board-to-board connector section. It consists of the steps of arranging on the same plane and directly inserting the male-type board connector part of each printed board in parallel with the female-type board connector part, so that one printed board is constituted by a plurality of printed boards. By doing so, it is possible to increase the effective area of the board surface that can be used for mounting parts on the printed board at a low manufacturing cost, An effect that it is possible to increase the packing density of the circuit elements against.

Hereinafter, based on the attached drawings, FIG. 1 and FIG.
An embodiment of the present invention will be described in detail. FIG. 1 is a perspective view showing a configuration of a circuit connection device provided on a part of a printed circuit board itself according to an embodiment of the present invention.
(A) is a diagram showing the structure of the concave portion of the circuit connecting device, (B) is a diagram showing the structure of the convex portion of the circuit connecting device, and FIG. 2 is a combination of a plurality of printed circuit boards having the circuit connecting device shown in FIG. FIG. 3 is a diagram illustrating a method of configuring a large-scale printed circuit board.

First, the configuration of a circuit connecting device between printed circuit boards according to an embodiment of the present invention will be described with reference to FIGS. In FIG. 1A, reference numeral 1A denotes an electronic circuit in which electronic circuits can be provided and printed wiring can be provided not only on the front and back surface layers (1) and (2) but also on the inner layers (1) and (2) in the printed circuit board. Printed circuit boards equipped with circuits, etc.
2 is provided, for example, as a function of a female board-to-board connector part in which a contact part drawn out from a circuit wiring is provided on the entire inner surface of the side part of the printed circuit board 1A in parallel with the surface layer (or may be one part), It is a concave portion fitted into the convex portion 4 of the male inter-board connector portion.

Numeral 3 is provided so as to form a concave portion 2 by extending both the front and back surface layers (1) and (2) of the printed board 1A, and to form both the front and back surface layers (1) and (2) and the printed board 1A. This is an external connection electrode portion having a plurality of contact portions formed by extracting circuit wiring necessary for connection to the outside from both inner layers (1) and (2). In addition, the concave portion 2 and the electrode portion 3 constitute a female inter-board connector portion. The circuit connection device may be provided on all four end faces of the printed circuit board, or may be provided on any one, two, or three end faces.

Next, in FIG. 1B, reference numeral 1B denotes an arrangement and printing of electronic circuits not only on the front and back surface layers (3) and (4) but also on the inner layers (3) and (4) in the printed circuit board. The printed circuit board 4 provided with an electronic circuit or the like that can be wired is provided, for example, on the entire end face of the side portion of the printed circuit board 1B in parallel with the surface layer (or may be one part), and is drawn out from the circuit wiring on the outer surface. The concave portion 2 of the female inter-board connector portion is provided with a contact portion as a function of the male inter-board connector portion.
It is a convex part to be fitted in.

Numeral 5 is provided so as to extend the portion between the inner layers (3) and (4) of the printed circuit board 1B so as to form the convex portion 4. The upper and lower surface layers (3) and (4) and the printed layer are formed. An electrode section having a plurality of contact portions formed by extracting circuit wiring necessary for connection to the outside from both inner layers (3) and (4) in the substrate. In addition, the convex portion 4 and the electrode portion 5 constitute a male inter-board connector portion. The male-substrate connector section and the female-substrate connector section constitute a circuit connection device in the present embodiment. The male board-to-board connector section and the female board-to-board connector section of the circuit connection device may be provided on all four end faces of the printed circuit board, or may be provided on any one, two, or three end faces. .

In FIG. 2, reference numeral 11 denotes a printed circuit board having a female connector between the female boards, 12, 13 and 14 denote printed boards having a male connector between the male boards, and 15 denotes a concave on all the end faces. Alternatively, it is a large-scale printed circuit board formed by assembling a plurality of printed circuit boards 11, 12, 13, and 14 having convex portions formed thereon into a single large-sized board. In addition, regarding the configuration of the concave portion or the convex portion of the circuit connecting device, all the four end faces of the printed circuit board can be the concave portion or the convex portion, or the concave portion or the convex portion can be formed only in one portion.

Next, with reference to FIGS. 1A and 1B and FIG. 2, a method for connecting printed circuit boards by the circuit connecting device according to the present embodiment will be described. First, the female inter-board connector portion or the male inter-board connector portion shown in (A) or (B) of FIG.
And the projection 4 are fitted. Thereby, the concave portion 2 and the convex portion 4
And the electrode portions 3 and 5 that are printed are in contact with each other, and the circuit connection between the two printed boards 1A and 1B is completed.

Further, as shown in FIG.
The male connector of the printed circuit boards 12, 13 and 14 is inserted into the recessed portion of the female inter-board connector portion 1 and assembled. The printed circuit board 15 is constituted. In this way, one large-scale printed circuit board can be obtained without using another connector at all. In the circuit connection device according to the present embodiment described above, the concave portions and the convex portions are formed parallel to the surface layer. However, the concave portions and the convex portions are provided at right angles to the surface layer so that the concave portions and the convex portions appear on the surface layer. You may.

[0028]

The apparatus and method for connecting circuits between printed circuit boards according to the present invention are configured as described above, and in particular, the printed circuit board itself is not used for connection between a plurality of printed circuit boards without using a connector as a separate component. Is constructed as a circuit connection device (connector), so that it is not necessary to mount a connector as a separate component, so that the manufacturing cost is reduced and the device can be used for mounting components on a printed circuit board. The effective area of the substrate surface can be widened, and the mounting density of circuit elements on the printed circuit board can be increased.

The circuit connecting device and the connecting method between printed circuit boards according to the present invention are configured as described above.
A part of the printed circuit board itself, in particular, an end face is configured as a circuit connection device (connector) for connection between a plurality of printed circuit boards, and the end faces of the printed circuit board are connected to form one large-scale printed circuit board. By doing so, a single large-scale printed circuit board may be configured by combining a plurality of printed circuit boards within a prescribed size by the component mounting apparatus.
The effective area of the board surface that can be used for mounting components on the printed board can be widened, and a large-scale printed board having a high density of circuit elements mounted on the printed board can be obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration of a circuit connecting device provided in a part of a printed circuit board itself according to an embodiment of the present invention, and FIG. B) is a diagram showing the structure of the projection of the circuit connection device.

FIG. 2 is a diagram showing a method of configuring a large-scale printed circuit board by combining a plurality of printed circuit boards having the circuit connection device shown in FIG. 1;

FIG. 3 is a perspective view showing a conventional circuit connecting device between printed circuit boards, in which (A) is a printed circuit arranged on mutually corresponding surfaces of two printed circuit boards and directly connecting a male side and a female side; (B) Perspective view of a printed circuit board connecting device arranged on the same side of two printed circuit boards and connected via a connecting wire.

[Explanation of symbols]

 1A, 1B Printed circuit board 2 Concave part 3 Electrode part 4 Convex part 5 Electrode part 11 Printed circuit board with concave part 12, 13, 14 Printed circuit board with convex part 15 Large-scale printed circuit board 21A, 21B Printed circuit board 22 I-shaped connector (female ) 23 I-shaped connector (male) 24A, 24B Printed circuit board 25A, 25B connector (female) 26 Connection wire 27A, 27B connector (male)

Claims (3)

[Claims] 1. A female board-to-board connector section comprising a recess formed by an electrode section provided at an end of one printed circuit board itself and having a contact portion drawn out from a circuit wiring on an inner surface, and the other printed circuit board itself And a male-to-substrate connector portion comprising a convex portion formed by an electrode portion having a contact portion provided on the outer surface thereof and having a contact portion drawn out from the circuit wiring. A circuit connecting device which is inserted into a connector section between mold substrates to directly connect circuit wiring between printed circuit boards. 2. A female board-to-board connector section comprising a recess formed by an electrode section provided on an end face of one printed circuit board itself and having a contact section drawn out from a circuit wiring on an inner face thereof, and a connector section of the other printed circuit board itself. A male-type board-to-board connector portion comprising a convex portion formed by an electrode portion provided on an end surface and having a contact portion drawn out from circuit wiring on an outer surface, and a plurality of printed boards are arranged on the same plane,
A circuit connecting device, wherein a large-scale printed circuit board is constructed by directly inserting a male-type board-to-board connector portion of a printed board in parallel with a female-type board-to-board connector portion. 3. The female inter-board connector portion is formed by an electrode portion having a contact portion connected to a circuit wiring on an end surface of one printed circuit board itself, and is connected to the circuit wiring on an end surface of the other printed circuit board itself. Forming a male board-to-board connector section with an electrode section having a contact portion, arranging a printed board having a female board-to-board connector section and a printed board having a male board-to-board connector section on the same plane,
A circuit comprising a step of directly inserting a male board-to-board connector section of each printed board into a female board-to-board connector section in parallel, wherein a plurality of printed boards constitute one printed board. Connection method.