JPH08222112A - Silencing structure for hinge type relay - Google Patents

Abstract

PURPOSE: To reduce the sound generated when a relay is operated by providing an elastic material having specific penetration and made of a silicone gel on the storage section of an armature on one side of a core so that the upper face is slightly protruded from one end of the core. CONSTITUTION: The storage section 18 of an armature 16 is provided on the side of the magnetic pole 11a of the core 11 of a hinge type relay 1, and an elastic material E having the penetration of 50-200 (g) and made of a silicone gel is arranged so that the upper face is made slightly higher by S than the magnetic pole 11a. When power is applied to the coil 13 of a coil block 14, an electromagnet is formed on an electromagnet block 10, and the armature 16 is attracted to the magnetic pole 11a. When the armature 16 collides with the elastic material E, the synthetic force of a hinge spring 20 and the elastic force of the elastic material E acts against the attraction. When the synthetic force is approximated to the attraction, the vibration and shock generated at the time of the collision of the armature 16 with the magnetic pole 11a can be prevented or damped.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a silent structure of a hinge type relay.

[0002]

2. Description of the Related Art In a hinge-type relay, it has been conventionally practiced to attach a silent material such as rubber or foam to a predetermined place to reduce the sound generated during its operation.

[0003]

However, since the above-mentioned rubber, foam, and other silent materials have a low elastic modulus and cannot prevent or damp vibrations or shocks, the sound generated during operation cannot be reduced. Also, the sensitivity of the relay was poor.

The present invention has been made to solve the above problems, and an object thereof is to reduce the noise generated during the operation of a hinge type relay having a hinge type electromagnet.

[0005]

In order to solve the above-mentioned problems, the first invention of the present application is to provide an armature accommodating portion at one end side of an iron core of a hinge type relay, and the accommodating portion has a needle penetration of 50 g or more. An elastic material made of 200 g or less of silicon gel was provided so that its upper surface slightly protruded from one end of the iron core.

According to a second aspect of the present invention, a hinge type relay is provided with an armature accommodating portion on one end side of an iron core, and a surface of the armature facing the accommodating portion of the armature has a penetration of 50 g or more and 200 g or less. An elastic material made of gel is attached, and the thickness of the elastic material is such that when the armature oscillates toward the iron core, the elastic material hits the iron core before the armature.

According to a third aspect of the present invention, an elastic material made of silicon gel of 50 g or more and 200 g or less is attached to one of the opposing surfaces of the iron core and the armature so as to slightly project from the surface of the iron core or the armature. Has been.

According to a fourth invention of the present application, an elastic material made of silicon gel of 50 g or more and 200 g or less is attached to one of the surfaces of the yoke and the armature facing each other so as to slightly protrude from the surface of the yoke or the armature. Has been.

In the fifth invention of the present application, an elastic member made of silicon gel of 50 g or more and 200 g or less is arranged between the movable contact spring and the fixed contact spring.

[0010]

According to the silent structure of the hinge type relay according to the present invention, the needle penetration disposed between the armature and the magnetic pole, the contact spring and the yoke, and the facing surface of the contact spring is 50 to 200.
Since a load close to the attraction force of the magnetic pole can be applied in the direction opposite to the attraction force by the elastic material of silicon gel of g having a predetermined thickness, vibration or impact at the time of collision between the armature and the magnetic pole can be prevented or attenuated. be able to.

[0011]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a sectional view of a hinge type relay to which the present invention is applied, FIG. 2 is an assembly diagram of the hinge type relay to which the present invention is applied, and FIG. 3 is an overall configuration diagram of the hinge type relay to which the present invention is applied.

The hinge type relay 1 has an electromagnet block 10
A contact spring block 30 and a cover 40.
The electromagnet block 10 is provided between a coil block 14 in which a coil 13 is wound around a coil frame 12 that surrounds a columnar iron core 11, and between the magnetic poles 11 a and 11 b of the coil block 14. It is composed of a yoke 15 having an L-shaped cross section and an armature 16 having an L-shaped cross section.

A side view L is provided on the side of the magnetic pole 11a of the coil frame 12.
One side 1 of the armature 16 with the upper side and one side of the mold open
A housing 18 for housing 6a is integrally formed, and power supply terminals 19a and 19b for applying power to the electromagnet block 10 are integrally provided on the magnetic pole 11b side.

When a power source having a predetermined polarity is applied via the power source terminals 19a and 19b, the coil 1
The polarities (N and S poles) of the magnetic poles 11a and 11b corresponding to the direction of the current flowing in 3 (right-handed screw rule) are generated, and one side 16a of the armature 16 is attracted to the magnetic pole 11a to close the magnetic circuit.

In this embodiment, in order to reduce the sound generated by the collision between the armature 16 and the magnetic pole 11a when the magnetic circuit is closed, the noise is generated near the side opening of the bottom of the housing 18 and near the magnetic pole. An elastic material E as a silent material having a thickness such that the upper surface thereof is slightly higher (distance s) than the upper surface of the magnetic pole 11a is arranged.

As the elastic material, a material in which a sol (colloid solution) is solidified in a jelly form, that is, a gel,
Specifically, a silicon gel having a penetration (JISK2530-1976-50 g) of 50 to 200 g, which is formed by heating and curing silicon as a base, is used. This silicone gel is extremely soft and has a high elastic modulus, and the penetration is in the range of 50 to 200 g, and the impact absorption power, vibration prevention performance,
It is known to exhibit high characteristics in soundproofing.

The yoke 15 has an L-shaped horizontally extending base portion fixed to the magnetic pole 11b, and one side 15a is integrally formed with the coil frame 12. The other side 15b extending in the vertical direction is connected to the one side 15a. A bent portion 16b of an armature 16 having an L-shaped cross section is supported at the tip 15c, and the armature 16 can be swung with the bent portion 16b as a fulcrum.

The armature 16 is formed of a magnetic metal in a tapered shape, and a rectangular opening 16d and a positioning recess 16e are formed adjacent to the other side 16c extending in the vertical direction.

Further, the armature 16 is provided with a hinge spring 20 which is substantially T-shaped in a plan view, and this hinge spring 20 is formed by inserting both ends of one side 20a of the T-shape downward at right angles to form insertions 20b and 20c. Then, this plug 20b, 20
c is a groove 21 formed at the upper end of the frame portion 18a of the storage portion 18.
The other side 20d extending from the middle of the one side 20a is bent obliquely downward from the middle while being inserted into the a and 21b, and the armature 1 is formed at the end 20e of the other side 20d.
The bent portion 16b of 6 is always pressed downward to urge the armature 16 in the counterclockwise direction.

The contact spring block 30 is, for example, AC10.
It operates as a switch unit for controlling ON / OFF of 0V, and is composed of a movable contact spring 31 and a fixed contact spring 32, one end of which is integrally molded with the coil frame 12 together with power supply terminals 33a and 33b. The other end of the contact 3 is made of an alloy such as silver, palladium, platinum, etc.
1a and 32a are provided. In this embodiment, the contact spring block 30 has one set of contacts, but the number of contacts can be increased to about 30 sets.

The movable contact spring 31 is the other side 16 of the armature 16.
abutment with c, and the mounting protrusion 31b on the back side of the contact 31a
Is housed in the opening 16d, and the projection 31c formed on the back side is fitted in the recess 16e to position the movable contact spring 31 and the armature 16.

Further, the fixed contact spring 32 is bent at its middle portion into a dogleg shape so that when the movable contact spring 31 moves and the contact points 31a and 31b come into contact with each other, both contact points 31a and 31b come into contact with each other at their surfaces. Movable contact spring 31 and fixed contact spring 32
And are formed so as to be substantially parallel to each other.

The electromagnet block 10 and the contact spring block 30 are covered with a cover 40 that opens downward to form the hinge type relay 1 shown in FIG. At this time, the protrusion 41 is formed on the inner upper side of the cover 40 to form the hinge spring 20.
The movement of the above is regulated.

Hinge type relay 1 assembled in this way
In the non-excited state in which no power is applied to the coil 13 of the electromagnet block 10, the armature 16 maintains the state in which it is biased counterclockwise by the hinge spring 20, and one side 16b of the armature 16 and the magnetic pole 11a. Are separated from each other.

On the other hand, the other side 16c of the armature 16 has a yoke 15
The contact portion 31a of the movable contact spring 31 and the contact 32a of the fixed contact spring 32 are not in contact with each other apart from the other side 15b, and the switch portion is electrically insulated. However, the power is off.

On the other hand, when the coil 13 of the electromagnet block 10 is excited by a power source having a preset polarity,
An electromagnet is formed on the electromagnet block 10, and one side 16a of the armature 16 is attracted to the magnetic pole 11a.
It swings clockwise against the biasing force of the hinge spring 20 with 5c as a fulcrum, one side 16a of the armature 16 is attracted to the magnetic pole 11a, and a loop of the iron core 11-yoke 15-armature 16-iron core 11 is formed. The magnetic circuit that generates magnetic flux is closed by
Maintains a stable contact with the magnetic pole 11a as long as power is applied.

In this state, the other side 16c of the armature 16 is separated from the other side 15b of the yoke 15, that is, the movable contact spring 31 is pushed leftward by the armature 16 and its contact 31a is fixed. The contact portion 32a comes into contact with the contact point 32a, and as a result, the switch portion is brought into an electrically conductive state and the power source is turned on.

From this state, when the power source applied to the coil 13 of the electromagnet block 10 is removed, the state returns to the initial non-excitation state, and the energy stored in the hinge spring 20 by the armature 16 causes the other armature 16 to exit. The side 16c oscillates counterclockwise and again contacts the other side 15b of the yoke 15, and as a result, the contact part 31a and the contact point 32a are separated from each other in the switch part, and the switch part is electrically insulated, that is, the power is turned off.

FIG. 4 shows that the attraction force of the magnetic pole, the spring, and the penetration degree are 50 with respect to the stroke of the armature operating as described above.
It is a figure which shows the elastic force (load) relationship of the elastic material which consists of -200 g silicon gel, a solid line (a) shows a spring load curve, a dotted line (b) shows an elastic material load curve, and a dashed-dotted line (c) shows the attraction | suction force, respectively. .

As can be seen from the figure, since the armature 16 does not act on the elastic force of the elastic material E until it comes into contact with the magnetic pole 11a, the difference between the attraction force of the magnetic pole 11a and the biasing force of the spring 20 is large. Although the magnetic pole 11a rapidly approaches, when it collides with the elastic material E, a force (load) that combines the elastic force of the hinge spring 20 and the elastic material E acts on the armature 16 against the attraction force of the magnetic pole 11a. At this time, since the combined load is an elastic force that is smaller than the attractive force and close to the attractive force, the elastic force close to the attractive force of the magnetic pole 11a acts on the armature 16 and the vibration when the armature 16 collides with the magnetic pole 11a. And shocks can be prevented or dampened.

FIG. 5 is a sectional view of a hinge type relay to which the present invention according to another embodiment is applied. The same parts as those in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted.

In this embodiment, the bottom surface between the frame portion 18a and the magnetic pole 11a on the front side when viewed from the side opening of the housing portion 18 has an elasticity such that the upper surface thereof is slightly higher than the upper surface of the magnetic pole 11a. The material E is arranged and fixed, and when the coil block 14 is biased, the tip of the armature 16 contacts the elastic material E. Also in this embodiment, a force (combined load) close to the attraction force of the magnetic pole 11a acts in the direction of pulling the armature 16 away from the magnetic pole 11a in the same manner as in the previous embodiment, and vibrations when the armature 16 collides with the magnetic pole 11a and Prevents or dampens shocks.

FIG. 6 is a sectional view of a hinge type relay to which the present invention according to still another embodiment is applied. The same parts as those in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted. In this embodiment, an annular elastic material E having a thickness whose upper surface is slightly higher than the upper surface of the magnetic pole 11a is arranged and fixed to the bottom surface of the housing 18 around the magnetic pole 11a. Also in this embodiment, a force (combined load) close to the attraction force of the magnetic pole 11a acts in the direction of separating the armature 16 from the magnetic pole 11a, and the vibration or impact when the armature 16 collides with the magnetic pole 11a is prevented or attenuated. .

FIG. 7 is a sectional view of a hinge type relay to which the present invention is applied according to still another embodiment. The same parts as those in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted. In this embodiment, a concave portion 16f is formed in the armature 16 and an elastic material E is fixed in the concave portion 16f. When the armature 16 swings, the elastic material E is made elastic before the armature 16 collides with the magnetic pole 11a. A material having a thickness such that the material E hits the coil frame 12 is arranged, and an elastic force close to the attraction force of the magnetic pole 11a acts in the direction of pulling the armature 16 away from the magnetic pole 11a, as in the above-described embodiment, and Vibration or impact when the pole piece 16 collides with the magnetic pole 11a is prevented or attenuated.

FIG. 8 is a sectional view of a hinge type relay to which the present invention is applied according to still another embodiment. The same parts as those in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted. In this embodiment, a concave portion 11c is formed on the upper surface of the magnetic pole 11a, and an elastic material E having a thickness such that the upper surface thereof slightly projects from the upper surface of the magnetic pole 11a is arranged and fixed in the concave portion 11c. Similar to the embodiment, a force (combined load) close to the attraction force of the magnetic pole 11a acts in the direction of pulling the armature 16 away from the magnetic pole 11a to prevent or damp vibration or impact when the armature 16 collides with the magnetic pole 11a. .

FIG. 9 is a sectional view of a hinge type relay to which the present invention is applied according to still another embodiment. The same parts as those in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted. In this embodiment, the recess 15c is formed on the other side 15b of the yoke 15.
An elastic material E having a thickness such that its upper surface slightly protrudes from the surface of the magnetic pole 11a is arranged and fixed in the concave portion 15c, and when the coil block 14 is deenergized, the other side 16c of the armature 16 is formed. And the other side 15b of the yoke 15 are prevented from directly colliding with each other. Therefore, the armature 16 has the yoke 15
The elastic material E prevents or damps vibrations and impacts when it collides with.

FIG. 10 is a sectional view of a hinge type relay to which the present invention is applied according to still another embodiment. The same parts as those in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted. In this embodiment, an elastic material E is arranged and fixed at an intermediate portion of a fixed contact spring 32 constituting the contact spring block 30, and the fixed contact spring 3 when the coil block 14 is biased by this elastic material E.
The vibration and impact at the time of collision between the movable contact spring 31 and the movable contact spring 31 are prevented or dampened.

[0038]

EFFECTS OF THE INVENTION Since the silent structure of the hinge type relay according to the present invention is constructed as described above, the following effects are exhibited. The first invention of the present application provides the accommodating portion such that the upper surface thereof protrudes slightly from one end of the iron core, and has a penetration of 50 g or more 200
Vibration or impact at the time of collision between the armature and the magnetic pole can be prevented or attenuated by the elastic material made of silicon gel of g or less.

According to a second aspect of the present invention, the armature is made of silicon gel having a penetration of 50 g or more and 200 g or less on the surface facing the accommodating portion of the armature. Since the elastic material having a thickness such that the elastic material hits the iron core is attached first, it is possible to prevent or damp vibration or impact at the time of collision between the armature and the magnetic pole.

In the third invention of the present application, an elastic material made of silicon gel of 50 g or more and 200 g or less is attached to one of the surfaces of the iron core and the armature facing each other so as to slightly project from the surface of the iron core or the armature. Therefore, vibration or impact at the time of collision between the armature and the magnetic pole can be prevented or attenuated.

In the fourth invention of the present application, an elastic material made of silicon gel of 50 g or more and 200 g or less is attached to one of the surfaces of the yoke and the armature facing each other so as to slightly protrude from the surface of the yoke or the armature. Therefore, it is possible to prevent or damp vibration or impact at the time of collision between the armature and the yoke.

According to the fifth invention of the present application, the movable contact spring is arranged between the fixed contact spring and the elastic material made of silicon gel of 50 g or more and 200 g or less, so that vibration or impact at the time of collision of the springs is prevented. Or it can be damped.

Therefore, when the coil block is energized or deenergized, the operating noise generated by the collision of the armature and the magnetic pole, the armature and the yoke, the movable contact spring and the yoke, and the movable contact spring and the fixed contact spring is extremely reduced. Can be reduced.

[Brief description of drawings]

FIG. 1 is a sectional view of a hinge-type relay to which the present invention is applied.

FIG. 2 is an assembly diagram of a hinge type relay to which the present invention is applied.

FIG. 3 is an overall configuration diagram of a hinge type relay to which the present invention is applied.

FIG. 4 is a diagram showing the relationship between the attraction force of a magnetic pole and the elastic force (load) of a spring and an elastic material with respect to the stroke of an armature.

FIG. 5 is a sectional view of a hinge type relay to which the present invention is applied according to another embodiment.

FIG. 6 is a sectional view of a hinge type relay to which the present invention is applied according to another embodiment.

FIG. 7 is a sectional view of a hinge type relay to which the present invention is applied according to another embodiment.

FIG. 8 is a sectional view of a hinge type relay to which the present invention is applied according to another embodiment.

FIG. 9 is a sectional view of a hinge type relay to which the present invention is applied according to another embodiment.

FIG. 10 is a sectional view of a hinge type relay to which the present invention is applied according to another embodiment.

[Explanation of symbols]

1 ... Hinge type relay, 10 ... Electromagnet block, 11 ... Iron core, 11a, 11b ... Magnetic pole, 12 ... Coil frame, 13 ... Coil, 14 ... Coil block, 15 ... Yoke, 15a ... One side, 15b ... Other side, 15c ... Tip, 16 ... Armature, 16
a ... One side, 16b ... Bent part, 16c ... Other side, 16d ... Opening part, 16e, 16f ... Recessed part, 17 ... Groove, 18 ... Storage part, 18a ... Frame part, 19a, 19b, 33a, 33b
... power supply terminal, 20 ... hinge spring, 20a ... one side, 20
b, 20c ... insertion, 20d ... other side, 20e ... end portion, 2
1a, 21b ... Groove, 30 ... Contact spring block, 31 ... Moving contact spring, 32 ... Fixed contact spring, 31a, 32a ... Contact, 40 ... Cover, 41 ... Projection, E ... Elastic material.

Claims (5)

[Claims] 1. A coil block in which a coil is wound through a coil frame provided around a columnar iron core to form magnetic poles at both ends of the iron core, and an L-shaped joint having one end fixed to one of the magnetic poles. An iron, and an L-shaped armature having a bent portion swingably supported at the other end of the yoke and being attracted to the other magnetic pole by the bias of the coil block to close a magnetic circuit. An electromagnet block is formed by a spring that separates the armature from the other of the magnetic poles by the deenergization of the coil block to open a magnetic circuit, and the movable contact spring serves as a fixed contact spring in synchronization with the swing of the armature. A hinge-type relay that comes in contact with and separates from one another. The hinge-type relay is provided with an armature storage portion on one end side of an iron core, and the storage portion is made of silicon gel having a penetration of 50 g or more and 200 g or less. Elastic material Silent structure of a hinge-type relay, wherein a surface is provided so as to slightly protrude from one end of the iron core. 2. A coil block in which a coil is wound through a coil frame provided around a columnar iron core to form magnetic poles at both ends of the iron core, and an L-shaped joint having one end fixed to one of the magnetic poles. An iron, and an L-shaped armature having a bent portion swingably supported at the other end of the yoke and being attracted to the other magnetic pole by the bias of the coil block to close a magnetic circuit. An electromagnet block is formed by a spring that separates the armature from the other of the magnetic poles by the deenergization of the coil block to open a magnetic circuit, and the movable contact spring serves as a fixed contact spring in synchronization with the swing of the armature. A hinge-type relay that is configured to come into contact with and separate from an armature has a storage portion for an armature on one end side of an iron core and has a needle penetration of 50 g on a surface facing the storage portion for the armature. Above 200g Is attached, and the thickness of the elastic material is such that when the armature swings toward the iron core, the elastic material hits the iron core before the armature. Silent structure of hinge type relay. 3. A coil block in which a coil is wound through a coil frame provided around a columnar iron core to form magnetic poles at both ends of the iron core, and an L-shaped joint having one end fixed to one of the magnetic poles. An iron, and an L-shaped armature having a bent portion swingably supported at the other end of the yoke and being attracted to the other magnetic pole by the bias of the coil block to close a magnetic circuit. An electromagnet block is formed by a spring that separates the armature from the other of the magnetic poles by the deenergization of the coil block to open a magnetic circuit, and the movable contact spring serves as a fixed contact spring in synchronization with the swing of the armature. In a hinge type relay configured to come in contact with and separate from each other, 50 g is provided on one of the surfaces of the iron core and the armature facing each other.
A silent structure of a hinge-type relay, wherein an elastic material made of silicon gel of 200 g or more is attached so as to slightly project from a surface of an iron core or an armature. 4. A coil block in which a coil is wound through a coil frame provided around a columnar iron core to form magnetic poles at both ends of the iron core, and an L-shaped joint having one end fixed to one of the magnetic poles. An iron, and an L-shaped armature having a bent portion swingably supported at the other end of the yoke and being attracted to the other magnetic pole by the bias of the coil block to close a magnetic circuit. An electromagnet block is formed by a spring that separates the armature from the other of the magnetic poles by the deenergization of the coil block to open a magnetic circuit, and the movable contact spring serves as a fixed contact spring in synchronization with the swing of the armature. In a hinge-type relay that comes in contact with and separates from each other, 50 g is provided on one of the surfaces of the yoke and the armature facing each other.
A silent structure of a hinge-type relay, wherein an elastic material made of silicon gel of 200 g or more is attached so as to slightly project from a surface of a yoke or an armature. 5. A coil block in which a coil is wound through a coil frame provided around a columnar iron core to form magnetic poles at both ends of the iron core, and an L-shaped joint having one end fixed to one of the magnetic poles. An iron, and an L-shaped armature having a bent portion swingably supported at the other end of the yoke and being attracted to the other magnetic pole by the bias of the coil block to close a magnetic circuit. An electromagnet block is formed by a spring that separates the armature from the other of the magnetic poles by the deenergization of the coil block to open a magnetic circuit, and the movable contact spring serves as a fixed contact spring in synchronization with the swing of the armature. In a hinge-type relay that is brought into contact with and separated from each other, an elastic member made of silicon gel of 50 g or more and 200 g or less is arranged between the movable contact spring and the fixed contact spring. Structure.