Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Patent
1998-04-17
2000-06-20
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
257415, 257421, H01H 6702
Patent
active
060782331
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to relays, and in particular, to a subminiature relay and matrix relay constructed by stacking approximately plate-shaped components.
BACKGROUND ART
Conventionally, as a miniature relay constructed by stacking approximately plate-shaped components, there is, for example, the relay disclosed in the document of Japanese Patent Laid-Open Publication No. HEI 1-292725.
The relay is characterized in that it comprises a base board having two fitting holes and at least two print coil portions which are formed so as to be printed in an approximate spiral form around the fitting holes, an iron core which has an approximately bracket-like cross-section shape and has its both end portions projected while being fitted in the fitting holes, and a movable contact piece having its one end portion fixed to one projected end portion of the iron core, its middle portion arranged so as to be able to come in and out of contact with the other projected end portion of the iron core and a movable contact provided at a free end portion facing a fixed contact provided at the base board so as to be able to come in and out of contact with the fixed contact.
However, according to the aforementioned relay, the iron core and the movable contact piece must be fixed to the base board in different directions, and this requires much labor in positioning and assembling works, tending to cause a scattering in assembling accuracy. For this reason, there is a first technical problem that the productivity is low and a scattering tends to occur in the operation characteristics.
In view of the above-mentioned first technical problem, it is a primary object of the present invention to provide a relay of a high productivity causing no scattering in operation characteristics.
As a prior art matrix relay, there is, for example, the one disclosed in the document of Japanese Patent Laid-Open Publication No. HEI 7-29473.
Namely, it is constructed so that its contact is opened and closed by driving a movable spring contact provided at a band plate by means of an electromagnet array comprised of a required number of electromagnets formed by providing a solenoid wound around a fixed contact core.
However, since the aforementioned matrix relay has the electromagnets formed by providing the solenoid wound around the fixed contact core as its components, it has a limitation in compacting and particularly reducing in thickness the device.
Furthermore, since most of the components are not flat nor able to be stacked in one direction, there is a second technical problem that much labor is required for the assembly and the productivity is low.
In view of the above-mentioned second technical problem, it is a second object of the present invention to provide a subminiature matrix relay capable of being easily assembled.
DISCLOSURE OF THE INVENTION
In order to achieve the first object, a first feature of the relay of the present invention is that it comprises a coil plate having at least one layer of a spiral flat coil formed around a through hole and a movable contact and a fixed contact which face each other so as to be able to come in and out of contact with each other via the through hole of the coil plate, the movable contact being provided at a movable contact piece pivotally supported in a direction of plate thickness via at least one hinge portion extending from inside an annular yoke for the formation of a movable contact plate, and the fixed contact being provided on one surface of a plate-like material for the formation of a fixed contact plate.
According to the first feature of the present invention, there is a layer structure in which the constituent members are assembled so as to be stacked in the vertical direction, and therefore, the assembling can be achieved easier and the assembling accuracy is higher than in the prior art. Therefore, a thin type relay having no scattering in operation characteristic can be obtained.
In particular, when a fixed contact plate is formed by providing the fixed conta
REFERENCES:
patent: 5398011 (1995-03-01), Kimura et al.
patent: 5479042 (1995-12-01), James et al.
patent: 5742015 (1998-04-01), Tai et al.
Maenishi Kozo
Misumi Shuichi
Donovan Lincoln
Omron Corporation
LandOfFree
Relay and matrix relay does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Relay and matrix relay, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Relay and matrix relay will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1856438