CN201029087Y - Electromagnetic relay with action display function - Google Patents
Electromagnetic relay with action display function Download PDFInfo
- Publication number
- CN201029087Y CN201029087Y CNU2007201396247U CN200720139624U CN201029087Y CN 201029087 Y CN201029087 Y CN 201029087Y CN U2007201396247 U CNU2007201396247 U CN U2007201396247U CN 200720139624 U CN200720139624 U CN 200720139624U CN 201029087 Y CN201029087 Y CN 201029087Y
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- CN
- China
- Prior art keywords
- electromagnetic relay
- indicating piece
- movable iron
- housing
- display window
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to an electromagnetic relay with an action display function, which does not produce powder because a pointer swings and wears and can always exert the characteristics of an electric contact switch mechanism. In a casing(2), an iron core(43) which passes an electromagnetic mechanism(4) can swinging support a moveable iron sheet(41); and the moveable iron sheet(41) swing to turn on and turn off an electric contact switch mechanism(3), an indicating sheet(8) is directly arranged on the moveable iron sheet(41); the indicating sheet(8) swings oppositely to the moveable iron sheet(41) and then form a situation that a display window(9) is opposite to the casing(2); and then the indicating sheet(8) is identified from the display window(9) and the action of the electric contact switch mechanism(3) is identified from the outer.
Description
Technical field
The utility model relates to a kind of excitation or demagnetization by electromagnet mechanism and drives movable iron, makes the drive of indicating piece action make the electromagnetic relay of Presentation Function.
Background technology
In the past, as this electromagnetic relay, known had a structure as shown in Figs. 8 to 11 (with reference to patent documentation 1, patent documentation 2).
Patent documentation 1:(Japan) No. 2557711 communique of utility model registration
Patent documentation 2:(Japan) spy opens the 2004-327240 communique
According to Fig. 8 to Figure 11, dispose electrical contact switch mechanism 3 in the incorporating section that electromagnetic relay constitutes making up matrix 1 and housing 2 and realize the electromagnet mechanism 4 that this electric switch moves.
Electrical contact switch mechanism 3 and matrix 1 is relative mutually and be provided with, by the normally closed fixed contact piece 31 that has fixed contact 31a, 32a respectively and often open fixed contact piece 32 and be installed on the movable iron 41 described later swingably and but a distolateral moving contacting plate 33 with moving contact 33a constitutes, but selectively contact, separate between fixed contact 31a, 32a by the moving contact 33a that makes moving contacting plate 33, thereby realize the electric switch action.
One end of back-moving spring 6 is fixed on the L shaped installation sheet 5, another distolateral being fixed on the movable iron 41, this L font installation sheet 5 is installed on the matrix 1 and covers electromagnetic block 42, but movable iron 41 is connected the movable contact point 33a connection of moving contacting plate 33 on the fixed contact 31a of normally closed fixed contact piece 31 sides usually.
But another of moving contacting plate 33 is distolateral together with the end connection of lead 7, and this common wire 7 is connected to the outstanding splicing ear 10 in outside from matrix 1 with an end.
So, but the action of the moving contacting plate 33 that is brought by movable iron 41 can be recognized by indicating piece 8.That is, indicating piece 8 roughly is the framework shape, is connected with the portion center in the upper end and is formed with display piece 8a, and the front end of display piece 8a bends to approximate right angle, constitutes to look to recognize the 8b of portion.Be provided with at the outstanding fulcrum 8d of the relative direction of both sides pin sheet 8c in the lower end of the both sides of indicating piece 8 pin sheet 8c, can swing by relative matrix 1 along with the swing of movable iron 41, fulcrum 8d is installed on the not shown matrix 1 in order to make indicating piece 8.Indicating piece 8 is that fulcrum can be swung with fulcrum 8d.In addition, on facial 2a on the housing 2, offer and be formed with display window 9.
Therefore, as Fig. 9 and shown in Figure 11, under the erasing state of electromagnet mechanism 4, by the active force of back-moving spring 6, separate, make the movable contact point 33a of moving contacting plate 33 to connect the state (with reference to Fig. 9 and Figure 11) of the fixed contact 31a side that is connected normally closed fixed contact piece 31 but become movable iron 41 unshakable in one's determination relatively 43.
At this moment, because looking of display piece 8a recognized the 8b of portion and be recessed to housing 2 private sides from display window 9, therefore, indicating piece 8 can not be recognized from the outside, is expressed as the non-action status of electrical contact switch mechanism 3.
Electricity imported to electromagnet mechanism 4 and during the state of excitation when becoming from this erasing state, then pass through the excitation of electromagnet mechanism 4, unshakable in one's determination 43 attract movable iron 41, make the active force of movable iron 41 opposing back-moving springs 6 and swing, and but moving contacting plate 33 is swung, thus, make moving contact 33a be connected to the fixed contact 32a side of often opening fixed contact piece 32 from the fixed contact 31a connection of normally closed fixed contact piece 31.
As a result, indicating piece 8 still is spot wobble with fulcrum 8d, and the looking of indicating piece 8 recognized the 8b of portion and moved to the position relative with display window 9, can recognize the operate condition (with reference to Figure 10 and Figure 12) of electrical contact switch mechanism 3 from the outside of housing 2.
Electromagnetic relay according to existing this structure, the non-action status of expression electrical contact switch mechanism 3 and the indicating piece 8 of operate condition are owing to adopt the structure for a spot wobble with fulcrum 8d, therefore, when each wobbling action with between the fulcrum 8d, slide and rub mutually, because such friction, consider to produce abrasion powder each other, the abrasion powder of generation can have influence on the operating characteristics of electrical contact switch mechanism 3.
The utility model content
So, the utility model proposes in order to improve existing problem, its purpose is to provide a kind of drive to make the electromagnetic relay of Presentation Function, does not produce the abrasion powder that is brought by the wobbling action of pointer, can often bring into play electrical contact switch mechanism decide characteristic.
To achieve these goals, the electromagnetic relay of Presentation Function is made in drive of the present utility model, in housing, bear the action of the iron core of electromagnet mechanism and also support movable iron swingably, and, utilize the swing of this movable iron and carry out the switch motion of electrical contact switch mechanism, it is characterized in that, directly indicating piece is installed on the described movable iron, by making this indicating piece relative corresponding to the display window that forms on the wobbling action of described movable iron and the described housing, can recognize described indicating piece by described display window, can recognize that the action of described electrical contact switch mechanism is represented from the outside.
According to this structure, by indicating piece is directly installed on the movable iron, from the display window of indicating piece show, non-demonstration, therefore, the swing fulcrum that does not have such in the past indicating piece based on fulcrum, as a result, can not produce the friction that the sliding friction by indicating piece and fulcrum causes, not influence the operating characteristics of electrical contact switch mechanism.
In addition, to achieve these goals, the utility model is decided scope with the institute around described display window of described housing and is formed zone of opacity portion by black applies or texture processing etc. forms.
Generally, for can be from the switch motion of the outside of housing identification electrical contact switch mechanism etc., the housing of electromagnetic relay is formed by transparent material mostly, indicating piece also can be recognized in position beyond display window, can occur to distinguish the situation whether electrical contact switch mechanism is carrying out switch motion, therefore, the utility model is decided scope by the institute around display window with housing and is formed zone of opacity portion by black applies or texture processing etc. forms, whether can distinguish indicating piece clearly manifests with respect to display window, and, even form zone of opacity portion in smaller scope, also can detect indicating piece reliably, the transparent part of housing 2 is increased.
In addition, to achieve these goals, the utility model is formed on described zone of opacity portion the inner surface of described housing.
According to this structure, because zone of opacity portion does not expose on the surface of housing, therefore, through using all the year round, constitute the coating portion of zone of opacity portion or texture and add the Ministry of worker etc. and also can not peel off or disappear, and, particularly under the situation of texture processing, owing to be to form at the inner surface of housing, so can not collude the hand that is suspended to the operator etc., fail safe is good.
In addition, to achieve these goals, the utility model uses the visibility excellent material to form described pointer segment, in addition, as described visibility excellent material, uses the material of orange, red, yellow or iridescent.
According to this structure, because the relative housing of indicating piece distinguishes clearly and recognized, and the switch motion of electrical contact switch mechanism can recognize reliably, therefore, can improve the visibility of indicating piece.
Make the electromagnetic relay of Presentation Function according to drive of the present utility model, by indicating piece is directly installed on the movable iron, formation from the display window of indicating piece show, the structure of non-demonstration, therefore, the swing fulcrum that does not have such in the past indicating piece based on fulcrum, as a result, can not produce the friction that the sliding friction by indicating piece and fulcrum causes, not influence the operating characteristics of electrical contact switch mechanism.
Description of drawings
Fig. 1 is that expression adopts the drive of execution mode of the present utility model to make the stereogram of outward appearance of the electromagnetic relay of Presentation Function;
Fig. 2 is a stereogram of seeing structure through the cover body of Fig. 1;
Fig. 3 sees through the cover body of Fig. 1 and the exploded perspective view of the parts seen;
Fig. 4 is the A-A profile of erasing state of the electromagnet mechanism of electromagnetic relay shown in Figure 1;
Fig. 5 is the A-A profile of excited state of the electromagnet mechanism of electromagnetic relay shown in Figure 1;
Fig. 6 is that the erasing state of the electromagnet mechanism of expression electromagnetic relay shown in Figure 1 omits the top figure of zone of opacity portion down;
Fig. 7 is that the excited state of the electromagnet mechanism of expression electromagnetic relay shown in Figure 1 omits the top figure of zone of opacity portion down;
Fig. 8 is the partial perspective stereogram of the existing electromagnetic relay housing of expression;
Fig. 9 is the B-B profile of erasing state of the electromagnet mechanism of electromagnetic relay shown in Figure 8;
Figure 10 is the B-B profile of excited state of the electromagnet mechanism of electromagnetic relay shown in Figure 8;
Figure 11 is the top figure of erasing state of the electromagnet mechanism of electromagnetic relay shown in Figure 8;
Figure 12 is the top figure of excited state of the electromagnet mechanism of electromagnetic relay shown in Figure 8;
Description of reference numerals
2: shell; 2c: zone of opacity portion; 3: electrical contact switch mechanism; 4: electromagnet mechanism; 41: movable iron; 43: iron core; 8: indicating piece; 9: display window
Embodiment
Referring to figs. 1 through Fig. 7 execution mode of the present utility model is elaborated.
Fig. 1 is that expression adopts the drive of execution mode of the present utility model to make the stereogram of outward appearance of the electromagnetic relay of Presentation Function, Fig. 2 sees through the cover body of Fig. 1 and the stereogram of the structure seen, Fig. 3 sees through the cover body of Fig. 1 and the exploded perspective view of the parts seen, Fig. 4 is the A-A profile of erasing state of the electromagnet mechanism of electromagnetic relay shown in Figure 1, Fig. 5 is the A-A profile of excited state of the electromagnet mechanism of electromagnetic relay shown in Figure 1, Fig. 6 is the top figure of erasing state of the electromagnet mechanism of expression electromagnetic relay shown in Figure 1, and Fig. 7 is the top figure of excited state of the electromagnet mechanism of expression electromagnetic relay shown in Figure 1.Wherein, in the following description, the part of corresponding prior art marks identical Reference numeral and describes.
The formation of this electromagnetic relay is roughly as follows: electromagnet mechanism 4, electrical contact switch mechanism 3 are set on matrix 1, cover housing 2, and then dispose indicating piece 8 at the upside of housing 2.
Perimembranous at matrix base station 1b is provided with a pair of built-in electrical insulation wall 1e, and it is separated out the gap each other in the inside that perimembranous insulation wall 1c and perimembranous insulation wall 1d surround.
Two built-in electrical insulation wall 1e form three fixed contacts chamber 1f are set on matrix base station 1b, be provided with in fixed contact and dispose a plurality of normally closed fixed contact pieces 31 among the 1f of chamber respectively and often open fixed contact piece 32.
Normally closed fixed contact piece 31 is bent to form to L shaped, fixed contact 31a is installed below distolateral thereon, in addition, often opening fixed contact piece 32 also is bent to form to L shaped, fixed contact 32a is installed above distolateral thereon, normally closed fixed contact piece 31 and often open fixed contact piece 32 and separate on matrix base station 1b and dispose makes fixed contact 31a and 32a toward each other.
Moving contact 33a between fixed contact 31a and fixed contact 32a, but be installed on the horizontal leg sheet 33b that bends to roughly L shaped moving contacting plate 33 mutually, moving contact 33a is always the state of connecting with the fixed contact 31a of normally closed fixed contact piece 31 sides.
Therefore, but the vertical leg sheet 33c of moving contacting plate 33 plant on matrix base station 1b, make horizontal leg sheet 33b that moving contact 33a is installed with respect to housing 2 approximate horizontal configurations (with reference to Fig. 4 and Fig. 5).
Dispose the electromagnet installation sheet 34 that roughly is down L shaped on the top of matrix base station 1b.34a of horizontal plate portion that electromagnet installation sheet 34 will be respectively will be roughly rectangular and the 34b of vertical plate portion are integrally formed and constitute.
On one side side corner sections of the 34a of horizontal plate portion, be equipped with the engaging protrusion 34a-1 of general horizontal direction respectively, be formed with hook sheet 34a-2 down in the another side bight respectively.
And, the connecting hole 1b-1 that forms by the bight, one side with each engaging protrusion 34a-1 and matrix base station 1b engages and hook sheet 34a-2 is hooked on the bight, one side of opposite side of matrix base station 1b, and electromagnet installation sheet 34 is installed on the matrix base station 1b.
On the 34a of horizontal plate portion of electromagnet installation sheet 34 electromagnetic block 42 that constitutes, produces electromagnetic force based on coil is installed, electromagnetic block 42 is provided with iron core 43, and this iron core 43 makes movable iron 41 swings by the excitation and the demagnetization of electromagnetic block 42.
A distolateral 34b of vertical plate portion that can be entrenched in electromagnet installation sheet 34 slidably of unshakable in one's determination 43 goes up among the through hole 34b-1 that forms, in addition, and another the distolateral movable iron 41 that disposes relatively unshakable in one's determination 43.
And movable iron 41 is installed in another of leaf spring 41c of electromagnet installation sheet 34 by an end distolateral by the application of force, always to the iron core 41a of opposed portion side oscillation.
And then, in the free end side of the unshakable in one's determination opposed 41a of portion of movable iron 41 indicating piece 8 being installed directly, the material that this indicating piece 8 is made up of good resin material of visibilities such as for example red, orange, yellow or iridescent etc. forms.
Promptly, indicating piece 8 has display piece 8b and a pair of installation foot sheet 8c, wherein, display part 8b recognizes portion 8a and approximate horizontal in order to constitute to look in the above, the relative display piece 8b of a pair of installation foot sheet 8c extends downwards, on the unshakable in one's determination opposed 41a of the portion installation projection 41a-2 that upward distal process is established that installation foot sheet 8c is installed on movable iron 41, indicating piece 8 is installed on the movable core 41.
Chimeric being installed on the card 44 of the horizontal installation sheet 41b of portion of movable iron 41, card 44 are formed with operation projection 44a in its lower section, but the active force that operation projection 44a utilizes leaf spring 41c always Elastic Contact on moving contacting plate 33.
Under the situation of above formation, as Fig. 4 and shown in Figure 6, on the electromagnetic block 42 of electromagnet mechanism 4 not the energising demagnetization the time, the active force of movable iron 41 by leaf spring 41c by to the lateral direction of housing 2 (the left of Fig. 4 to) the pressured swing, but the moving contact 33a of moving contacting plate 33 is connected the fixed contact 31a side of normally closed fixed contact piece 31 via card 44.
When making its excitation when giving electromagnetic block 42 energisings from the erasing state of this electromagnet mechanism 4, unshakable in one's determination 43 attract movable iron 41 to make its interior side direction to housing 2 (right of Fig. 4) swing, but card 44 right to Fig. 4 on moving contacting plate 33 is slided, its result, but moving contacting plate 33 is direction of rotation swing left in Fig. 4, makes moving contact 33a go up (as Fig. 5 and state shown in Figure 7) from the fixed contact 32a that fixed contact 31a side is connected to normally closed fixed contact piece 32 sides.
At this moment, because the swing of movable iron 41, indicating piece 8 is to electromagnetic block 42 side oscillations, it is relative with the display window 9 that the last facial 2a of housing 2 goes up transparent formation that the looking of display piece 8b recognized the 8a of portion, looking the redness of recognizing the 8a of portion can reveal from display window 9 identifications, like this, can be from the operate condition of the visual observation electromagnetic relay of housing 2.
And, the preferred inner surface in surface of display window 9 facial 2a on housing 2 decide scope, constitute at the approximate centre portion transparent part that has applied black coating or texture processing etc., therefore, around display window 9, apply black coating or texture processing etc. by last facial 2a and form the 2c of zone of opacity portion housing 2.
Like this, for can be from the switch motion of the outside of housing 2 identification electrical contact switch mechanism 3 etc., the housing 2 of electromagnetic relay is formed by transparent material mostly, indicating piece 8 also can be recognized in position beyond display window 9, have and to distinguish the situation whether electrical contact switch mechanism 3 is carrying out switch motion, therefore, in the present embodiment, decide scope by institute and form the 2c of zone of opacity portion by black applies or texture processing etc. forms around display window 9 with housing 2, whether can distinguish indicating piece 8 significantly manifests with respect to display window 9, and, even form the zone of opacity 2c of portion in smaller scope, also can detect indicating piece 8 reliably, the transparent part of shell 2 is increased.
Under the situation of above structure, by indicating piece 8 is directly installed on the movable iron 41, formation from display window 9 show, the mechanism of non-demonstration indicating piece 8, therefore, the swing fulcrum that does not have such in the past indicating piece 8 based on fulcrum 8d, its result can not produce the friction that the sliding friction by indicating piece 8 and fulcrum 8d causes, does not influence the operating characteristics of electrical contact switch mechanism 3.
Industrial applicibility
The utility model consists of and carries out from display window by indicating piece is directly installed on the movable iron Therefore the structure of demonstration, non-display indicating piece, does not exist in the past such indicating piece based on fulcrum The swing fulcrum, its result can not produce the friction that the sliding friction by indicating piece and fulcrum causes, Do not affect the acting characteristic of electrical contact switch mechanism, therefore, be applicable to the excitation of utilizing electromagnet mechanism, Demagnetization drives movable iron, make the indicating piece action and the electromagnetism of the band action display function that consists of continues Electrical equipment.
Claims (5)
1. the electromagnetic relay of Presentation Function is made in a drive, this electromagnetic relay bears the action of the iron core of electromagnet mechanism in housing, support movable iron swingably, and utilize the swing of this movable iron and carry out the switch motion of electrical contact switch mechanism, it is characterized in that, directly indicating piece is installed on the described movable iron, by making this indicating piece relative with the display window that on described housing, forms corresponding to the wobbling action of described movable iron, can recognize described indicating piece by described display window, can recognize that the action of described electrical contact switch mechanism is represented from the outside.
2. the electromagnetic relay of Presentation Function is made in drive as claimed in claim 1, it is characterized in that, the institute around described display window on the described housing is decided scope, forms the zone of opacity portion by black applies or texture processing etc. forms.
3. the electromagnetic relay of Presentation Function is made in drive as claimed in claim 2, it is characterized in that, described zone of opacity portion is formed on the inner surface of described housing.
4. make the electromagnetic relay of Presentation Function as each described drive in the claim 1～3, it is characterized in that, described indicating piece uses the visibility excellent material and forms.
5. the electromagnetic relay of Presentation Function is made in drive as claimed in claim 4, it is characterized in that, as the visibility excellent material that is used for described indicating piece, uses the material of orange, red, yellow or iridescent.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006068660A JP2007250237A (en) | 2006-03-14 | 2006-03-14 | Electromagnetic relay with operation indicating function |
| JP068660/06 | 2006-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201029087Y true CN201029087Y (en) | 2008-02-27 |
Family
ID=38594309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201396247U Expired - Lifetime CN201029087Y (en) | 2006-03-14 | 2007-03-14 | Electromagnetic relay with action display function |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2007250237A (en) |
| CN (1) | CN201029087Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101533738B (en) * | 2008-03-14 | 2012-01-25 | 欧姆龙株式会社 | Electromagnetic relay |
| TWI680483B (en) * | 2019-07-03 | 2019-12-21 | 百容電子股份有限公司 | Electromagnetic relay |
| CN111527579A (en) * | 2017-12-28 | 2020-08-11 | 松下知识产权经营株式会社 | Electromagnetic relay |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4877309B2 (en) * | 2008-10-28 | 2012-02-15 | パナソニック電工株式会社 | Electromagnetic relay |
| KR101310602B1 (en) * | 2013-03-27 | 2013-09-23 | 강춘기 | Relay apparatus provided with indicator |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5386530A (en) * | 1977-01-11 | 1978-07-31 | Hitachi Ltd | Luminance control system for crt display unit |
| JPS6027441B2 (en) * | 1977-01-21 | 1985-06-28 | 日本電気株式会社 | amplitude equalizer |
| JPS56117451A (en) * | 1980-02-22 | 1981-09-14 | Toshiba Corp | Data transmission controller |
| GB8600533D0 (en) * | 1986-01-10 | 1986-02-19 | Bekaert Sa Nv | Manufacturing pearlitic steel wire |
| JP4246807B2 (en) * | 1997-07-28 | 2009-04-02 | オムロン株式会社 | Electromagnetic relay |
| JP2006006848A (en) * | 2004-06-29 | 2006-01-12 | Heiwa Corp | Protective cover of control circuit board |
-
2006
- 2006-03-14 JP JP2006068660A patent/JP2007250237A/en active Pending
-
2007
- 2007-03-14 CN CNU2007201396247U patent/CN201029087Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101533738B (en) * | 2008-03-14 | 2012-01-25 | 欧姆龙株式会社 | Electromagnetic relay |
| CN111527579A (en) * | 2017-12-28 | 2020-08-11 | 松下知识产权经营株式会社 | Electromagnetic relay |
| TWI680483B (en) * | 2019-07-03 | 2019-12-21 | 百容電子股份有限公司 | Electromagnetic relay |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007250237A (en) | 2007-09-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080227 |
|
| CX01 | Expiry of patent term |