JPH0458423A - Collective relay - Google Patents

Abstract

PURPOSE:To make it sufficient to use only one fixed contact attaching part to lessen the number of parts and decrease the mounting surface area on a printed board by forming a fixed contacts of each relay main body on a common base plate respectively. CONSTITUTION:A collective relay is composed of a plurality of relay main bodies A consisting of a base 1, an electromagnet 2, a movable contact spring 9, and common base plates 10, 12 and put in matrix-like condition. On the upper face of the common base plate 10, a plurality of pairs of coupled fixed contacts 11, 11,... used for a plurality of electromagnets 2 are installed. After included in a circuit by prescribed wiring patterns, each of the fixed contacts 11 is arranged to the connected electrically with an external circuit by an external connecting connector part 10c. Fixed contacts 13, 13 paired as a couple are formed in a patterned wiring on the common base plate 12. In this way, since the fixed contacts of each relay main body are formed on common base plates respectively, only one fixed contact attaching part is needed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a relay, and more particularly to a collective relay mounted in large numbers on a printed circuit board.

[Conventional technology]

In a conventional collective relay, as shown in FIG. A plurality of terminals 22 are inserted into the holes 23a of the printed circuit board 23 and soldered, so that the terminals 22 are provided in a matrix on the printed circuit board 23.

[Problem to be solved by the invention]

As the number of collective relays described in the conventional example increases, the mounting area on the printed circuit board 23 increases, so there is a problem in that the electronic equipment using this collective relay also becomes larger.

Also, when each terminal 22 connected to the relay body 21 is inserted into the hole 23a of the printed circuit board 23 and soldered and mounted, or when used at a high temperature afterwards, the larger the printed circuit board 23 becomes, Warpage is likely to occur, and as a result, the dimensions of mounting components within the relay body 21 become larger, resulting in variations in operating characteristics and a problem in that stable operation cannot be obtained.

The present invention focuses on the above-mentioned problems and attempts to improve them.The purpose of the present invention is to use a large number of relays, have a small number of parts, be easy to assemble, and reduce the mounting area on a printed circuit board. The object of the present invention is to provide a collective relay that is small and has stable operating characteristics.

[Means to solve the problem]

The collective relay according to claim (1) is provided with a common board on which the fixed contacts of each relay body are integrally formed.

In the collective relay according to claim (2), a ceramic substrate is used for the common substrate.

In the aggregate relay according to claim (3), the armatures of each relay body are supported by the common board so as to be freely swingable.

In the collective relay according to claim (4), the iron cores of the plurality of relay bodies arranged in a row are made of one yoke base material.

The collective relay of claim (5) includes a substantially U-shaped iron core to which a coil frame is attached from above, a yoke base material that integrally connects the iron cores of relay bodies arranged in a row, and the yoke base material. Equipped with an electromagnet consisting of a substantially rod-shaped permanent magnet stacked on top of the material, and an armature stacked on the iron core so that both ends can swing freely between the magnetic poles at both ends of the iron core. .

[For production]

In the collective relay of claim (1), the fixed contacts of each relay body are formed on the same common board, so only one fixed contact mounting member is required, and the number of parts can be reduced. The mounting area can be reduced.

In the collective relay of claim (2), since a ceramic substrate is used for the common substrate, even if the collective relay is exposed to high temperatures, warping and the like are extremely rare and stable operation can be obtained.

In the collective relay according to claim (3), since the armatures of each relay main body are swingably supported by the common board, a special armature support member is not required, and the number of parts can be reduced.

In the collective relay of claim (4), since the iron cores of the relay bodies arranged in a row are made of one yoke base material, the number of parts can be further reduced.

In the collective relay of claim (5), the electromagnet includes a substantially U-shaped iron core to which the coil frame is attached from above, a yoke base material formed by integrally connecting iron cores arranged in a row, and the yoke base material. It consists of approximately bar-shaped permanent magnets stacked on top of the yoke base material, and an armature mounted from above on the iron core so that both ends can swing freely between the two magnetic poles of the iron core. A plurality of parallel electromagnets can be constructed by simply stacking the coils, permanent magnets, and armatures at predetermined positions on the yoke base material, making assembly and production easy.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS. 1 to 3.

The collective relay of the present invention has a base 1 as shown in FIG.
, electromagnet 2, movable contact spring 9, and common board 10.1
It is constructed by providing a plurality of relay bodies A each consisting of two or more relay bodies A in a matrix.

The base 1 is made of a molded material such as synthetic resin and has a substantially box shape, and has a plurality of connecting portions 1a for strength reinforcement provided inside the box.

As shown in FIGS. 2 and 3, the electromagnet 2 consists of a yoke base material 4 in which approximately U-shaped iron cores 3 arranged in a row are integrally attached via a connecting portion 3a, and a coil 5 wound around the outer periphery. A pair of coil frames 5a, 5a are fitted onto both ends of the iron core 3 from above.
and the connecting portion 3a of the yoke base material 4 between both ends of the iron core 3.
A substantially rod-shaped permanent magnet 6 is magnetically stably coupled to the top, and both ends are reversibly opposed to both magnetic pole faces of the iron core 3,
The middle part consists of an armature 7 made of a magnetic metal body supported swingably on a permanent magnet 6.

One end of each of the coils 5.5 is electrically connected via the yoke base material 4, and when configuring a matrix output contact circuit, the coil terminals 5b, 5b are connected to the applied power source via a control circuit, respectively. It is only necessary to use the yoke base material 4 connected to the (+) and the other coil lead wires as a common ground, and connect this yoke base material 4 to the (-) side of the coil application power supply. Commonality can be achieved.

If each electromagnet 2 is used independently, one end of each of the coils 5.5 may be drawn out to the outside via a terminal (not shown).

The yoke base material 4 is made of a magnetic metal body having a substantially long bar shape, and a plurality of yoke base materials are arranged on the base 1, and the iron cores 3 arranged in a row are integrally connected by a connecting portion 3a. It is provided. The iron cores 3.3, .
3 are connected in a magnetically insulated state, and when one of the electromagnets 2 installed in parallel is energized, there is no magnetic interference with the other electromagnet 2. be. In particular, if the influence of magnetic interference becomes a problem, as shown in FIG. 4, the connecting portion 3a' may be made thinner until the influence disappears, as long as there is no problem with the connection strength.

The permanent magnets 6 are stacked on the connecting part 3a with one magnetized surface in contact with the yoke base material 4,
A common substrate 10 is stacked above it.

The common substrate 10 is made of a heat-resistant material such as ceramic, which has extremely low deformation due to heat, and has fixed contacts 11, 11, .
A plurality of these are provided, each pair being one set. Each of the fixed contacts 11 is configured to have a circuit according to a predetermined wiring pattern, and then electrically connected to an external circuit by an external connector portion 10c. This common board 10 is provided with a plurality of window holes 10a that are large enough to expose the magnetic pole portions at both ends of the iron core 3. The window hole 10a is provided with recesses 10b, 10b on both sides of the longitudinal center. Moreover, a plurality of amateur blocks 8 are stacked on the upper surface corresponding to the window hole 10a.

The armature block 8 consists of an armature 7, a movable contact spring 9, and a support portion 8a fixed between the two,
Both end shafts of the support portion 8a are located in the recess 10b of the common substrate IO.
It is pivotally supported and swingably supported. The armature 7 has both ends reversibly attached to both end magnetic pole portions of the iron core 3, and the middle portion thereof is fixed to the support portion 8a.

The movable contact spring 9 has twin tip contact portions facing each other so as to come into contact with and separate from fixed contacts 11 and 13 of the common board 10 and the common board 12 described later, and the middle part is provided with an armature 7. It is also fixed to the support portion 8a.

The common substrate 12 is made of a ceramic substrate, and a pair of fixed contacts 13.13 are formed at predetermined locations by pattern wiring. Further, this common board 12 is provided so as to cover the amateur blocks 8 after they are each placed on the other common board 1O.

Briefly explaining the operation of the collective relay, when the coil 5.5 of the relay main body A at the location to be operated is excited, the armature block 8 of the relay main body A swings, and one movable contact spring 9.9 is activated. The other movable contact spring 9 abuts the fixed contact 11.11 on the common board 10.
．． 9 is a fixed contact 13.13 on the other common board 12
It comes into contact with and opens and closes. Even when the excitation of the coil 5.5 is stopped, the same state is maintained by the permanent magnet 6. Next, when the coil 5.5 is energized in the opposite direction, the armature block 8 operates again 1 and swings and reverses in the opposite direction. In this state, the same state is maintained even if excitation is stopped, which is what is called bistable operation.

〔Effect of the invention〕

In the collective relay of claim (1), the fixed contacts of each relay body are formed on the same common board, so only one fixed contact mounting member is required, and the number of parts can be reduced. The mounting area can be reduced.

In the collective relay according to claim (2), since a ceramic substrate is used for the common substrate, even if the collective relay is exposed to high temperatures, no warpage occurs and stable operation can be obtained.

In the collective relay of claim (3), since the armatures of each relay body are swingably supported by the common board, there is no need to provide a special armature support member, and the number of parts can be reduced.

In the collective relay of claim (4), since the iron cores of the relay bodies arranged in a row are made of one yoke base material, the number of parts can be further reduced.

In the collective relay of claim (5), the electromagnet includes a substantially U-shaped iron core to which the coil frame is attached from above, a yoke base material formed by integrally connecting iron cores arranged in a row, and the yoke base material. It consists of a substantially bar-shaped permanent magnet that is stacked on the yoke base material, and an armature that is mounted from above on the iron core so that both ends are swingably disposed between the magnetic gaps of the iron core. A plurality of parallel electromagnets can be constructed by simply stacking the coils, permanent magnets, and armatures in their respective predetermined positions on the yoke base material, making assembly and production easy.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view showing one embodiment of the present invention, FIG. 2 is an exploded perspective view showing the main parts of the same, FIG. This figure is a plan view showing another embodiment of the same yoke as above, and FIG. 5 is a perspective view showing a conventional example. A... Relay body, 2... Electromagnet, 3... Iron core, 4... Yoke base material, 5... Coil, 7... Armature, 9... Movable contact spring, 10. 12... Common board, 11.13... Fixed contact. s2 diagram

Claims (5)

[Claims] (1) A contact block comprising an electromagnet including an armature, an iron core, a coil, a yoke, etc., a movable contact spring integrally attached to the armature, and a pair of fixed contacts opened and closed by the movable contact spring. A relay body consisting of a plurality of relay bodies mounted in parallel on a printed circuit board, characterized in that a common board is provided on which the fixed contacts of each relay body are integrally formed. collective relay. (2) The collective relay according to claim 1, wherein the common board is made of a ceramic board. (3) The collective relay according to claim (1), wherein the armatures of each relay body are each swingably supported by the common board. (4) The collective relay according to claim 1, wherein the iron cores of the relay bodies arranged in a row are each made of one yoke base material. (5) A roughly U-shaped iron core to which the coil frame is attached from above, a yoke base material that integrally connects the iron cores of the relay bodies arranged in a row, and a yoke base material that is stacked on top of the yoke base material. The collective relay according to claim (1), comprising an electromagnet consisting of a substantially rod-shaped permanent magnet and an armature stacked on the iron core so that both ends can swing freely between the magnetic poles at both ends of the iron core. .