CN103282994A - Electromagnetic relay and reed switch attachment structure - Google Patents
Electromagnetic relay and reed switch attachment structure Download PDFInfo
- Publication number
- CN103282994A CN103282994A CN2011800624917A CN201180062491A CN103282994A CN 103282994 A CN103282994 A CN 103282994A CN 2011800624917 A CN2011800624917 A CN 2011800624917A CN 201180062491 A CN201180062491 A CN 201180062491A CN 103282994 A CN103282994 A CN 103282994A
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- Prior art keywords
- yoke
- reed switch
- magnetic reed
- electromagnetic relay
- switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/0006—Permanent magnet actuating reed switches
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- Electromagnetism (AREA)
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- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
In a box shaped case (1) having an opening part on one surface is housed an electromagnet unit (3) wherein a coil (53) is wound on the outer periphery of a spool (52) having a cylindrical shaped body section (52c) and a yoke is connected to one end part of a stationary iron core (21) disposed on the inner periphery thereof. Part of a magnetic circuit is formed by the stationary iron core (21) and the yoke by applying voltage to the coil (53). A reed switch (61) is disposed along the winding part of the coil (53) parallel to the axial direction of the electromagnet unit (3).
Description
Technical field
The present invention relates to electromagnetic relay and magnetic reed switch mounting structure.
Background technology
All the time, as electromagnetic relay, known a kind of position of flowing through leakage flux at permanent magnet has the electromagnetic relay for detection of the magnetic reed switch of its variation, (for example, with reference to patent documentation 1)
Yet, in the electromagnetic relay of above-mentioned prior art, do not consider the problem that how to dispose magnetic reed switch.And, when in electromagnetic relay, magnetic reed switch being set, should be noted that can not cause significantly designing to change and maximization.
Xian You Ji Intraoperative document
Patent documentation
Patent documentation 1: the spy opens the 2005-166435 communique
Summary of the invention
The problem that invention will solve
The object of the present invention is to provide and a kind ofly can adopt magnetic reed switch and change electromagnetic relay, and the mounting structure of this magnetic reed switch of original structure hardly.
Solve the means of problem
As the means that solve above-mentioned problem, the invention provides a kind of electromagnetic relay, described electromagnetic relay is the electromagnetic relay that accommodates electromagnet portion in a face has the housing of box-formed shape of peristome, described electromagnet portion is by winding around on the periphery of the spool with tubular metastomium, connect yoke in an end of the secured core in the interior week that is disposed at described spool and constitute, by described coil is applied voltage and forms a part of magnetic circuit by secured core and yoke, described electromagnetic relay is characterised in that: dispose magnetic reed switch in the mode parallel with the axis direction of described electromagnet portion along the wound portion branch of coil.
According to such structure, by making magnetic reed switch along the winding part of coil, can effectively utilize the dead angle, and can not change the structure of electromagnetic relay self, can not cause its maximization.And because magnetic reed switch divides configuration along the wound portion of coil, in case magnetic field changes because of excitation, the demagnetization of electromagnet portion, it just can be switched on or switched off rapidly reliably.That is to say, can make that the magnetic reed switch response is good.
Be formed with a plurality of notchs on the preferred described yoke, described electromagnetic relay has the switch retainer that keeps described magnetic reed switch, described switch retainer has the slot by any maintenance in the described notch, and when being in the state that is installed on the yoke, the outer rim from yoke is outstanding overlooking under the observation.
According to this structure, by in advance magnetic reed switch being remained on the switch retainer, and direction protrusion is remained on the existing notch, the switch retainer can be installed on the yoke.In this way, magnetic reed switch temporarily can be remained in the electromagnet portion, therefore, only need electromagnet portion is inserted housing, just can finish the installation of magnetic reed switch.
Preferred above-mentioned switch retainer is configured to by housing inner face and yoke clamping, and above-mentioned housing forms notch in opening edge portion, and described switch retainer has on the notch that is installed in described housing, the installation portion concordant with the outer surface of housing.
According to this structure, the switch retainer not only can lead by yoke, also can lead by housing, therefore, can make that installment state is more firm.
Preferred above-mentioned switch retainer has guiding teat, and the slot part of the part lead-in wire that extended by above-mentioned prerotation vane of guiding of the prerotation vane that the guiding recess, guiding of a part of outer peripheral face of the glass tube of the above-mentioned magnetic reed switch of guiding extend by the both ends of the both ends of above-mentioned glass tube and magnetic reed switch, in above-mentioned each guiding area, removed the ledge of magnetic reed switch.
According to this structure, in the switch retainer, the glass tube of magnetic reed switch can not be offset by occurrence positions, can remain on stable status.And, because magnetic reed switch does not exist from the outstanding ledge of switch retainer, therefore, when inserting housing in the electromagnet portion that will assemble these members, can not damage magnetic reed switch, especially glass tube and just can successfully insert.
The installation portion of preferred above-mentioned switch retainer has the retaining hole that the lead-in wire that is extended respectively by the both ends of the magnetic reed switch that keeps is concentrated on place maintenance.
According to this structure, the extraction location that goes between from housing can be concentrated on one.And, because centrostigma is the retaining hole that the installation portion in a part that constitutes box forms, therefore, do not need to change the structure of box.
The above-mentioned yoke that above-mentioned electromagnet portion can be configured to above-mentioned electromagnet portion is connected by first yoke of an end that is connected to secured core and with this first yoke and another second distolateral yoke of extending to the said fixing iron core constitutes, the interior week of above-mentioned spool also comprises the movable core that can move along the axle center except secured core.
As the means that solve above-mentioned problem, the invention provides a kind of magnetic reed switch mounting structure that can be used for can be used in the electric equipment that comprises electromagnet portion, described magnetic reed switch mounting structure is the magnetic reed switch mounting structure that can be used in the electric equipment that comprises electromagnet portion, described electromagnet portion is by winding around on the periphery of the spool with tubular metastomium, connect yoke in an end of the secured core in the interior week that is disposed at described spool and constitute, described magnetic reed switch mounting structure is characterised in that described magnetic reed switch mounting structure is constituted as and can be installed in the switch retainer of maintenance with the magnetic reed switch of the axis parallel ground configuration of described iron core on the described yoke.
The invention effect
According to the present invention, owing to make magnetic reed switch divide configuration along the wound portion of coil, therefore, can effectively utilize the dead angle, can not change structure or the maximization of electromagnetic relay self.And, in case magnetic field changes because of excitation, the demagnetization of electromagnet portion, can be switched on or switched off reliably rapidly, have good response.
Description of drawings
Fig. 1 is the stereogram of the electromagnetic relay that relates to of present embodiment.
Fig. 2 is the exploded perspective view of Fig. 1.
Fig. 3 is the stereogram of the housing of Fig. 2.
Fig. 4 is the enlarged drawing of ceramic shell, flange component, connecting ring, fixed contact terminals and the fixed contact of Fig. 2.
But Fig. 5 is the enlarged drawing that contact spring was encircled, reached to movable axis moving contacting plate, anti-avulsion ring, the E shape of Fig. 2.
Fig. 6 is first yoke of Fig. 2 and the enlarged drawing of secured core.
Fig. 7 is the enlarged drawing that end cylindrical shell, movable core, impact absorbing material, thin plate and return spring are arranged of Fig. 2.
Fig. 8 is the enlarged drawing of each member of the electromagnet portion of pie graph 2.
Fig. 9 is the enlarged drawing of each member of the magnetic reed switch portion of pie graph 2.
Figure 10 is the stereogram from the switch retainer of the observed Fig. 9 of rear side.
Figure 11 is the three-dimensional assembly diagram of the magnetic reed switch portion of Fig. 9.
(a) of Figure 12 is the enlarged drawing of lid, permanent magnet and the retainer of Fig. 2, and (b) of Figure 12 is from the stereogram of the cover of observed Figure 12 of downside (a).
Figure 13 is the interarea cutaway view that the contact open state of the electromagnetic relay that present embodiment relates to is shown.
Figure 14 is the interarea cutaway view that the contact closure condition of the electromagnetic relay that present embodiment relates to is shown.
Embodiment
Below, with reference to the accompanying drawings, the execution mode that the present invention relates to is described.In addition, in the following description, as required, (for example use the term of expression specific direction and position, comprise " on ", the term of D score, " side ", " end "), but using these terms is to invent in order to understand with reference to accompanying drawing easily, and the meaning of these terms does not limit technical scope of the present invention.In addition, say it only is example on the following illustrative in nature, the present invention and suitable thing thereof or its purposes are not limited.
(1. overall structure)
Fig. 1 and Fig. 2 show the closed type electromagnetic relay that present embodiment relates to.The structure of this closed type electromagnetic relay is to accommodate contact mechanism portion 2, electromagnet portion 3 and magnetic reed switch portion 4 in housing 1 substantially, and is coated with lid 5.
(1-1. housing 1)
As shown in figures 1 and 3, housing 1 is to obtain by the roughly rectangular shape that the synthetic resin material forming is processed as upper surface open.On the end face of a side of housing 1, be provided with terminal board 6 side by side at two places of Width.Screw togather the not shown terminal screw that goes out at each terminal board 6, connect the coil that extended by coil terminals 55 described later on it respectively with going between 56 and be connected to the lead-in wire (not shown) of mains side, can apply voltage to coil 53.
The bottom surface sections 58 of housing 1 is extended setting by the diagonal position that makes both ends of the surface two places and is formed erecting bed 7.Form installing hole 8 respectively on each erecting bed 7, be pressed into metal reinforcing ring 9 in each installing hole 8.Installing hole 8 is used for by screw tightening and stationary housing 1, and reinforcing ring 9 can prevent that coping screw from tightening and making the housing 1 that is formed by the synthetic resin material to damage.
The peristome inner surface forms stage portion above housing 1, and lid 5 described later is installed.And, be formed with the first fastening hole 10 that is positioned at central portion and the second fastening hole 11 that is positioned at its both sides on the top peristome both ends of the surface of housing 1 respectively.Each fastening hole 10, the 11st, rectangular opening, the fastening teat 5a fastening of lid 5 is in the first fastening hole 10.When the terminal cap (not shown) of the upper side that covering shell 1 is installed, to use the second fastening hole 11.
And, be formed with first notch 12 and second notch 13 respectively towards the below by the top opening edge portion of housing 1.The installation portion 67 of installation magnetic reed switch described later portion 4 on first notch 12.Second notch 13 is for the leading-out portion that will be guided to terminal board 6 with lead-in wire 56 by the coil that coil terminals 55 extends.And, near second notch 13 of the upper surface of housing 1, be formed with entrance hole 14.The lead-in wire of drawing from second notch 13 is introduced in the housing 1 by this entrance hole 14, and is connected on the terminal screw that is fixed on the terminal board 6.
And, on the medial surface of housing 1, be formed with projecting strip part 15 by lower surface to upside.In the upper part of projecting strip part 15, form along with towards the top and gradually near the inclined plane 15a of medial surface.This inclined plane 15a plays a part guiding when second yoke 54 being inserted the assigned position of housing 1.
(1-2. contact mechanism portion 2)
As shown in Figure 2, but contact mechanism portion 2 is structures of having held secured core 21, movable core 22, movable axis 23 and moving contacting plate 24 in by ceramic shell 16, flange component 17, fixed contact terminals 28, fixed contact 29, connecting ring 27, first yoke 19 and the seal cavity that has end cylindrical shell 20 to form.
(1-2-1. ceramic shell 16)
As shown in Figure 4, ceramic shell 16 is the roughly rectangular shape of bottom surface opening, and portion is formed with terminal hole 25 respectively at two places in the above, is formed with the metal level 26 of the ring-type that forms by evaporation etc. around each terminal hole 25 respectively.Be welded with connecting ring 27 cylindraceous on each metal level 26 respectively.And, dispose fixed contact terminals 28 respectively on each terminal hole 25.Each fixed contact terminals 28 is made of the 28b of blade of a sword portion of axial region 28a, its upper end, is fixing discoid fixed contact 29 by welding on the lower surface of axial region 28a.Each fixed contact terminals 28 is welded on by the outer circumferential side lower surface with the 28b of blade of a sword portion on the top open end of above-mentioned connecting ring 27 and is fixed on the ceramic shell 16.
(1-2-2. flange component 17)
As shown in Figure 4, flange component 17 is to carry out punch process with overlooking the following metal panel in the form of a substantially rectangular of observation, forms in central portion formation rectangle cylindrical portion 30.Rectangle cylindrical portion 30 is under the state of the lower side openend that makes the above-mentioned ceramic shell 16 of upper surface butt and soldered.
(1-2-4. first yoke 19)
As shown in Figure 6, first yoke 19 is observed down rectangular metallicity sheet material and is carried out punch process and form having overlooking of conductivity, is formed with circular peristome 19a at central portion.Peristome 19a goes up and connects secured core 21 described later.On four angles of first yoke 19, form first notch 37 respectively, near three first notchs 37, be formed with second notch 38 on the side edge part respectively.The engaging protrusion 59a of configuration second yoke 54 described later on first notch 37.In second notch 38, have two to be to use notch 39 as drawing drawing of coil use with lead-in wire 56, remaining one is the installation notch 40 of use as switch retainer 62 is installed.And the upper surface bight of first yoke 19 is provided with recess 19b.Be formed with conjugate foramen 19c among the recess 19b, be connected with blast pipe 41 on it.Blast pipe 41 is cylindric, and the outside dimension of upper end is a little bit smaller a little, engages with above-mentioned conjugate foramen 19c with airtight conditions.
(1-2-5. has end cylindrical shell 20)
As shown in Figure 7, have end cylindrical shell 20 up side opening around have a 20a of blade of a sword portion, inner except the thin plate 43 that accommodates impact absorbing material 42 and stainless steel, also accommodate movable core 22 and return spring 44.And, have end cylindrical shell 20 by with airtight conditions with the 20a of blade of a sword portion with the bottom surface of first yoke 19, specifically be peristome 19a around engaging and become one with first yoke 19.
(1-2-6. secured core 21)
As shown in Figure 6, secured core 21 is cylindric, is formed with the centre bore 21a that connects the upper and lower end face.The not shown detail drawing of centre bore 21a, it is shaped as stepped that path hole by the hole, big footpath of lower end side, upper end side forms, and becomes the bearing surface of return spring 44 as the stage portion of its boundary member.The outside dimension of the upper end of secured core 21 is a little bit smaller slightly, and it becomes the connecting portion 45 of the peristome 19a that is connected to above-mentioned first yoke 19.Be formed with the recess 21b of the mortar shape on every side of centre bore 21a on the upper surface of connecting portion 45.After connecting portion 45 inserts the peristome 19a of first yoke 19, by with the upper end riveted and fixed, formation cyclic lug 21c on first yoke 19.
(1-2-7. movable core 22)
As shown in Figure 7, movable core 22 is cylindrical, and the upper side outer peripheral face forms along with towards the upper surface and the taper shape that sectional area reduces gradually.And, be formed with centre bore 22a on the movable core 22, from the lower surface, around this centre bore 22a, form shoulder hole 22b.
(1-2-8. movable axis 23)
As shown in Figure 5, be formed with the stage portion 46 that outside dimension reduces on the upper end outer peripheral face of movable axis 23, be formed with endless groove 47 apart from the position of given size on from this stage portion 46 to lower side.Riveted and fixed anti-avulsion ring 48 on the stage portion 46, and E shape ring 49 can be installed on the endless groove 47.Anti-avulsion ring 48 riveted and fixed are on the stage portion 46 of movable axis 23, but movable axis 23 inserts the through hole of moving contacting plate 24 described later, and after contact spring 50 has been installed in the outside, E shape ring 49 can be installed on the endless groove 47.By this way, but moving contacting plate 24 namely becomes the state of drawing close to anti-avulsion ring 48 by contact spring 50.
(but 1-2-9. moving contacting plate 24)
As shown in Figure 5, but moving contacting plate 24 is that (as fine copper: the sheet material of the strip that C1020) forms, central portion are formed with through hole 24a by nonmagnetic substance.But slightly narrow at the both ends of moving contacting plate 24, is formed with the moving contact 51 of side-prominent upward circle on it by punch process.
(1-3. electromagnet portion 3)
As shown in Figure 8, winding around 53 on the spool 52 of electromagnet portion 3, and become one with second yoke 54 and auxiliary yoke 60 by riveted joint.
(1-3-1. spool 52)
In the coil terminals 55, become the roughly 55a of coiling portion of C font from spool 52 outstanding parts.Each 55a of coiling portion goes up the both ends of winding around 53 respectively, and fixedly has coil to use an end of lead-in wire 56 respectively.Each 55a of coiling portion is at winding around 53 and after having fixed the lead portion of coil with lead-in wire 56, and bending is got up, so that can be along the outer peripheral face of coil 53.In addition, the outer peripheral face at the coil 53 that is wrapped in spool 52 is pasting insulating trip 57.
(1-3-2. second yoke 54)
(1-4. magnetic reed switch portion 4)
Shown in Figs. 9 to 11, magnetic reed switch portion 4 by magnetic reed switch 61, keep its switch retainer 62 to constitute.
The center, front portion of switch retainer 62 is formed with slot part 62a.The centre of slot part 62a, be formed with respectively at two places of length direction opposed outstanding a pair of guiding teat 63(guiding teat to).Two guiding teats between have the guiding recess 62b of glass tube 61a for guiding magnetic reed switch 61.Guiding recess 62b is made of the flexure plane along the outer peripheral face of the glass tube 61a of magnetic reed switch 61.Each guiding teat centering, between guiding teat 63, dispose the prerotation vane 61b that is extended by glass tube 61a respectively.Be connected with lead-in wire 61c on each prerotation vane 61b respectively, each 61c that goes between is configured in the slot part 62a.
On the two sides of switch retainer 62, than above-mentioned guiding recess 62b upper side more, be formed with a pair of projection 62c up and down respectively.And, constitute slot 64 by a pair of projection 62c up and down.Switch retainer 62 is installed in a place (installing with notch 40) that is formed on second notch 13 on first yoke 19.That is to say, the installation that has guided the switch retainer 62 of magnetic reed switch 61 to insert first yoke 19 from the side at guiding recess 62b with notch 40, and is made and constitutes the relative part of installing with notch 40 and be engaged on the slot 64.In this way, switch retainer 62 just can not expose from the zone of occupying of first yoke 19 overlooking under the observation, and becomes the state that yet is subjected to the position restriction on above-below direction.
The upper end of switch retainer 62 is made of lead-in wire maintaining part 65.As shown in figure 10, lead-in wire maintaining part 65 anterior form stair-stepping installation portion 67 and constitutes by relative a pair of side surface part 66 and at it.Side surface part 66(first a side surface part 66a) compare with another (second side surface part 66b), outstanding size is little, can easily the lead-in wire 61c that is extended along the side by the lower side of switch retainer 62 be guided in the lead-in wire maintaining part 65.In installation portion 67, be formed with the retaining hole 67a of rectangle on the lower side.Be configured on the above-below direction of retaining hole 67a by the lead-in wire 61c that extends respectively up and down of slot part 62a and insert in the hole.
(1-5. lid 5)
As shown in figure 12, lid 5 is tabular, and upper face center portion is formed with partition wall 68, and its both sides central portion is through with terminal hole 69 respectively.The both ends central authorities of lid 5 are formed with the fastening teat 5a of fastening on the first fastening hole 10 of housing respectively.Be formed with the recess 70 of rectangle on the bottom surface of lid 5, extension is provided with side wall portion 71 from its three limit towards the below.On side wall portion 71, by the cut lead-in wire maintaining part 65(side surface part 66 that forms configurable above-mentioned switch retainer 62 of a part) notch 71a.At the inner face of side wall portion 71, dispose the fixture 73 that keeps pair of permanent magnets 72.Each permanent magnet 72 is rectangular plate-like, is configured in respectively on the stage portion 70a on the inboard of opposite face of the side wall portion 71 that is formed at lid 5.And under this configuration status, the polarity at the relative both ends between the permanent magnet 72 is opposite.Therefore, can open and close the magnetic field that part produces horizontal direction in the contact, hold the electric arc of generation when opening and closing in the contact and make it disappear in the starting stage.Fixture 73 be make the sheet bending that is constituted by magnetic material become roughly コ shape forms, be formed with outstanding to the inside fastening sheet 73a respectively at two places of the lower end of each relative portion, to support the lower surface of permanent magnet 72.
(2. assembly method)
Next, the assembly method to the closed type electromagnetic relay that formed by said structure describes.
(2-1. contact mechanism portion 2)
At the conjugate foramen 19b of first yoke 19 welding blast pipe 41.Then, insert connecting portion 45 and the riveted and fixed of secured core 21 at the peristome 19a of first yoke 19.
Riveted and fixed anti-avulsion ring 48 on the stage portion 46 of movable axis 23.Then, but the through hole of moving contacting plate 24 is inserted in the upper end of movable axis 23, and after from lower side from the outside contact spring 50 being installed, be pressed into and install E shape ring 49 at the endless groove 47 of movable axis 23.In this way, but contact spring 50 is clamped in moving contacting plate 24 and E shape is encircled between 49, but moving contacting plate 24 becomes the state that is crimped on the anti-avulsion ring 48.
From the top of first yoke 19, movable axis 23 is inserted riveted and fixed on the centre bore 21a of the secured core 21 on first yoke 19.Then, make the integrated flange component 17 of above-mentioned each member in the configuration of the upper surface of first yoke 19, by laser welding with first yoke 19 and flange component 17 airtight joints.Then, return spring 44 is inserted among the centre bore 21a of secured core 21.And under the state of the centre bore 22a that movable axis 23 is inserted movable core 22, by laser welding the two being engaged is one.
Inject hydrogen by blast pipe 41 to the inner space of formed airtight conditions, become sealing state by the cold rolling blast pipe 41 that makes.
In the contact mechanism portion 2 that forms by this way, movable core 22 is arranged on the lower side of secured core 21 by return spring 44, and the lower surface of movable core 22 is crimped on the thin plate 43 on the bottom surface that is disposed at end cylindrical shell 20 and is positioned in initial condition.Then, when by excitation electromagnet portion 3 movable core 22 being moved up, the elastic force that acts on the return spring 44 of movable core 22 will increase when as mentioned below.Therefore, if dead electromagnet portion 3 then can make movable core 22 turn back to initial condition.
And, temporary transient fixedly magnetic reed switch portion 4 on first yoke 19.Wherein, the installation that guiding teat 63 is configured in first yoke 19 is with on the notch 40, by guiding its upper and lower surface of part and opposite face and temporary transient fixing relatively.
And magnetic reed switch portion 4 assembles by magnetic reed switch 61 is remained on the switch retainer 62.When assembling magnetic reed switch portion 4, at the glass tube of the guiding recess configuration magnetic reed switch 61 of switch retainer 62, the prerotation vane that configuration is extended by glass tube between guiding teat 63 is along slot part configuration lead.The lead of Yan Shening makes them after 62 bendings of switch retainer to the lower side, makes its lead with side extension upward bend to the right angle jointly, and inserts in the retaining hole of switch retainer 62.
(2-2. electromagnet portion 3)
At the metastomium winding around 53 of spool 52, and stick insulating trip.The both ends of coil 53 are configured in the coiling portion of each coil terminals 55 of the lower side blade of a sword portion that is pressed into spool 52.And, disposing coil in this coiling portion respectively with lead 56 and after welding, making coil terminals 55 bendings.To assist yoke 60 to insert peristome 58a from the bottom surface side of second yoke 54, and make it outstanding upward, at this place's configuration spool 52.At this moment, be pressed into auxiliary yoke 60 by the centre bore at spool 52, finish the assembling of electromagnet portion 3.
(2-3. housing 1)
In housing 1, by screwing togather the terminal screw at terminal board 6, reinforcing ring 9 is pressed on the installing hole 8 that is formed on the erecting bed 7 housing 1 is reinforced.
(2-4. integral body)
The end cylindrical shell 20 of having of contact mechanism portion 2 is inserted in the centre bore of spool 52 of electromagnet portions 3, by second yoke 54 is assemblied on first yoke 19 contact mechanism portion 2 and electromagnet portion 3 are combined.Then, they are contained in the housing 1.At this moment, the installation portion 67 of magnetic reed switch portion 4 is positioned on first notch 12 that is formed on the housing 1, and lead is from wherein highlighting.And second notch 13 by housing 1 will be drawn to the terminal board side by the lead that coil terminals 55 extends, and extend in housing 1 and be connected on the terminal screw by entrance hole 14.And, with lid 5 the top peristome of housing 1 is closed.Dispose on the lid 5 for the fixture 73 that keeps the pair of permanent magnets 72 on side wall portion 71 inner faces.Then, the place of closing is carried out resin-sealed, finish the assembling of closed type electromagnetic relay.
(3. operation)
Below, the operation of the closed type electromagnetic relay that is made of said structure is described.
As shown in figure 13, the electromagnet portion 3 that coil 53 is not applied voltage is under nonexcited state, and movable core 22 is because the spring force of return spring 44 and being pressed to the lower side, and movable axis 23 is depressed to the lower side.Therefore, but moving contacting plate 24 is mobile to the lower side, and moving contact 51 leaves fixed contact 29 and stays open state.
When voltage being applied to coil 53 excitation electromagnet portions 3, magnetic flux will flow through the magnetic circuit that is made of secured core 21, auxiliary yoke 60, second yoke 54, first yoke 19 and movable core 22.At this moment, gapped between movable core 22 and the secured core 21, and owing to movable core 22 is configured to and can moves up and down, therefore, as shown in figure 14, movable core 22 attracted to the bottom of secured core 21, and the opposing return spring 44 elastic force and move up.Therefore, also move up but movable axis 23 reaches moving contacting plate 24, thereby 51 pairs of fixed contacts 29 of moving contact are closed.
And under the situation of excitation electromagnet portion 3, above-mentioned magnetic circuit can produce leakage flux.Magnetic reed switch portion 4 is maintained on the switch retainer 62, and is configured in the 3(of the electromagnet portion coil windings portion of winding around 53 in the inboard of housing 1) the side near.Therefore, if electromagnet portion 3 is produced leakage flux by excitation, then leakage flux flows to secured core 21, first yoke 19, magnetic reed switch portion 4, second yoke 54, auxiliary yoke 60 and movable core 22, and magnetic reed switch portion 4 enters conducting state rapidly reliably.As a result, magnetic reed switch portion 4 is played a role as auxiliary contact, effectively utilize leakage flux.
And if with 3 demagnetizations of electromagnet portion, then movable core 22 is based on the spring force of contact spring 50 and return spring 44 and leave secured core 21.Therefore, movable axis 23 is mobile to the lower side, and after moving contact 51 left fixed contact 29, movable core 22 abutted on the impact absorbing material 42 by stainless steel sheeting, returned back to original state.At this moment, leakage flux disappears, and magnetic reed switch portion 4 enters off-state rapidly reliably.
Therefore, according to the closed type electromagnetic relay that above-mentioned execution mode relates to, magnetic reed switch portion 4 is configured in the housing 1, and disposes along the coil coiling portion of electromagnet portion 3.That is to say, magnetic reed switch portion 4 can be configured on the good position of response.And the configuration of magnetic reed switch portion 4 can effectively utilize the dead angle in the housing 1, can not cause maximizing.
In addition, the present invention is not limited in the structure of putting down in writing in the above-mentioned execution mode, can carry out various changes.For example, in the above-described embodiment, situation on the electromagnetic relay that magnetic reed switch portion is used for that movable core is moved up and down opens and closes this structure in contact is illustrated, but also can adopts the electromagnetic relay of other structure.Particularly, even at the centre bore of spool configuration secured core, make movable iron swing the electromagnetic relay of this structure in the upper end side of second yoke, also can adopt above-mentioned magnetic reed switch portion.
Industrial utilizability
The mounting structure of above-mentioned magnetic reed switch 61 not only limits the use of the closed type electromagnetic relay in said structure, also can be used for all electric equipments that other has electromagnet.
Symbol description
1, housing 2, contact mechanism portion
3, electromagnet portion 4, magnetic reed switch portion
5, lid 5a, fastening teat
6, terminal board 7, erecting bed
8, installing hole 9, reinforcing ring
10, the first fastening hole 11, the second fastening hole
12, first notch 13, second notch
14, entrance hole 15, projecting strip part
15a, inclined plane 16, ceramic shell
17, flange component 19, first yoke
19, peristome 19b, recess
20, end cylindrical shell 20a, blade of a sword portion are arranged
21, secured core 21a, centre bore
21b, recess 21c, cyclic lug
22, movable core 22a, centre bore
22b, shoulder hole 23, movable axis
But 24 moving contacting plate 24a, through hole
25, terminal hole 26, metal level
27, connecting ring 28, fixed contact terminals
28a, axial region 28b, blade of a sword portion
29, fixed contact 30, rectangle cylindrical portion
31, support body 37, first notch
38, second notch 39, draw and use notch
40, install with notch 41, blast pipe
42, impact absorbing material 43, thin plate
44, return spring 45, connecting portion
46, stage portion 47, endless groove
48, anti-avulsion ring 49, E shape ring
50, contact spring 51, moving contact
52, spool 52a, upper side blade of a sword portion
52b, the lower side blade of a sword 52c of portion, metastomium
52d, centre bore 53, coil
54, second yoke 55, coil terminals
55a, coiling portion 56, coil are with going between
57, insulating trip 58, bottom surface sections
58a, peristome 59, side surface part
59a, engaging teat 60, auxiliary yoke
60a, blade of a sword portion 61, magnetic reed switch
61a, glass tube 61b, prerotation vane
61c, lead-in wire 62, switch retainer
62a, the 62b of blade of a sword portion, guiding recess
62c, projection 63, guiding teat
64, slot 65, lead-in wire maintaining part
66, side surface part 66a, first side surface part
66b, second side surface part 67, installation portion
67a, retaining hole 68, partition wall
69, terminal hole 70, recess
71, side wall portion 72, permanent magnet
73, fixture.
Claims (7)
1. electromagnetic relay, described electromagnetic relay is the electromagnetic relay that accommodates electromagnet portion in a face has the housing of box-formed shape of peristome, described electromagnet portion is by winding around on the periphery of the spool with tubular metastomium, connects yoke in an end of the secured core in the interior week that is disposed at described spool and constitute, by described coil is applied voltage and forms a part of magnetic circuit by secured core and yoke, described electromagnetic relay is characterised in that:
Dispose magnetic reed switch in the mode parallel with the axis direction of described electromagnet portion along the wound portion branch of coil.
2. electromagnetic relay according to claim 1 is characterized in that,
Be formed with a plurality of notchs on the described yoke,
Described electromagnetic relay has the switch retainer that keeps described magnetic reed switch,
Described switch retainer has the slot by any maintenance in the described notch, and when being in the state that is installed on the yoke, and the outer rim from yoke is outstanding under the observation overlooking.
3. electromagnetic relay according to claim 2 is characterized in that,
Described switch retainer is configured to by housing inner face and yoke clamping,
Be formed with notch in the opening edge portion of described housing,
Described switch retainer has on the notch that is installed in described housing, the installation portion concordant with the outer surface of housing.
4. electromagnetic relay according to claim 3 is characterized in that,
Described switch retainer has: the guiding recess, and it guides a part of outer peripheral face of the glass tube of described magnetic reed switch; The guiding teat, it guides the prerotation vane that is extended by the both ends of the both ends of described glass tube and magnetic reed switch; And slot part, its guiding wherein, in described each guiding area, has been removed the ledge of magnetic reed switch by the part lead-in wire that described prerotation vane extends.
5. according to each described electromagnetic relay in the claim 2 to 4, it is characterized in that,
The installation portion of described switch retainer has the lead-in wire that will be extended respectively by the both ends of the magnetic reed switch that keeps and concentrates on the retaining hole that a place keeps.
6. according to each described electromagnetic relay in the claim 1 to 5, it is characterized in that,
The described yoke of described electromagnet portion is made of first yoke of an end that is connected in secured core and another second distolateral yoke of being connected in this first yoke and extending to described secured core, interior week of described spool except secured core, also have the movable core that can move along the axle center.
7. magnetic reed switch mounting structure, described magnetic reed switch mounting structure is the magnetic reed switch mounting structure that can be used in the electric equipment that comprises electromagnet portion, described electromagnet portion by winding around on the periphery of the spool with tubular metastomium, connect yoke in an end of the secured core in the interior week that is disposed at described spool and constitute, described magnetic reed switch mounting structure is characterised in that
Described magnetic reed switch mounting structure is constituted as and can be installed in the switch retainer of maintenance with the magnetic reed switch of the axis parallel ground configuration of described iron core on the described yoke.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-003827 | 2011-01-12 | ||
| JP2011003827A JP4840533B1 (en) | 2011-01-12 | 2011-01-12 | Electromagnetic relay and reed switch mounting structure |
| PCT/JP2011/056899 WO2012096005A1 (en) | 2011-01-12 | 2011-03-23 | Electromagnetic relay and reed switch attachment structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103282994A true CN103282994A (en) | 2013-09-04 |
| CN103282994B CN103282994B (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180062491.7A Active CN103282994B (en) | 2011-01-12 | 2011-03-23 | Electromagnetic relay and magnetic reed switch mounting structure |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4840533B1 (en) |
| CN (1) | CN103282994B (en) |
| WO (1) | WO2012096005A1 (en) |
Cited By (2)
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|---|---|---|---|---|
| CN105531788A (en) * | 2013-09-19 | 2016-04-27 | 安电株式会社 | Electromagnetic relay |
| CN108496236A (en) * | 2016-01-29 | 2018-09-04 | 埃普科斯股份有限公司 | Relay |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2014107050A (en) * | 2012-11-26 | 2014-06-09 | Fuji Electric Fa Components & Systems Co Ltd | Electromagnetic contactor |
| JP6202943B2 (en) | 2013-08-26 | 2017-09-27 | 富士通コンポーネント株式会社 | Electromagnetic relay |
| JP6265657B2 (en) | 2013-08-26 | 2018-01-24 | 富士通コンポーネント株式会社 | Electromagnetic relay |
| TWI622075B (en) * | 2016-10-04 | 2018-04-21 | 台達電子工業股份有限公司 | Contact mechanism of electromagnetic relay |
| JP1623421S (en) * | 2018-05-18 | 2020-01-27 | ||
| JP1637320S (en) * | 2018-11-12 | 2020-07-20 | ||
| CN109637801B (en) * | 2018-12-28 | 2024-04-09 | 江阴天翔电器有限公司 | Square frame type release iron core and its production process |
| CN110033995A (en) * | 2019-03-19 | 2019-07-19 | 厦门宏发电力电器有限公司 | A kind of high voltage direct current relay being able to detect main contacts action state |
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| CN108496236B (en) * | 2016-01-29 | 2022-01-11 | 埃普科斯股份有限公司 | Relay with a movable contact |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103282994B (en) | 2015-10-14 |
| JP4840533B1 (en) | 2011-12-21 |
| JP2012146502A (en) | 2012-08-02 |
| WO2012096005A1 (en) | 2012-07-19 |
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