CN104969325A - Electromagnetic relay - Google Patents
Electromagnetic relay Download PDFInfo
- Publication number
- CN104969325A CN104969325A CN201480001681.1A CN201480001681A CN104969325A CN 104969325 A CN104969325 A CN 104969325A CN 201480001681 A CN201480001681 A CN 201480001681A CN 104969325 A CN104969325 A CN 104969325A
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- Prior art keywords
- contact
- moving contact
- energising
- mentioned
- opening
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/56—Contact spring sets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/38—Auxiliary contacts on to which the arc is transferred from the main contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
- H01H50/641—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement
- H01H50/642—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement intermediate part being generally a slide plate, e.g. a card
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Contacts (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Relay Circuits (AREA)
- Electromagnets (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The purpose of this invention is to provide a long-lasting electromagnetic relay whereby current can be carried with stable contact resistance at all times. To that end, a control plate (70) that moves back and forth on the basis of magnetic forces produced by the energization of an electromagnet unit is used to rotate a movable-contact-strip unit (50) comprising a plurality of movable contact strips laminated together, and a pair of movable contacts (57, 58) provided on first and second strip sections (55, 56) formed by dividing the movable-contact-strip unit (50) in two in the width direction thereof are thereby made to contact or move away from a pair of fixed contacts (31, 32) provided on a fixed-contact terminal (30), respectively. In particular, one of the movable contacts (57, 58), namely an opening/closing movable contact (57), is first made to contact one of the fixed contacts (31, 32), namely an opening/closing fixed contact (31), and the other movable contact, namely a current-carrying movable contact (58), is then made to contact the other fixed contact, namely a current-carrying fixed contact (32).
Description
Technical field
The present invention relates to electromagnetic relay, particularly relate to the electromagnetic relay with double-contact structure.
Background technology
At present, as the electromagnetic relay with double-contact, such as there is following formation, namely, utilize the motion arm 22 rotation spring device 33 driven based on the conversion in the energising direction to coil device 12, make to be located at respectively and above-mentioned spring assembly 33 broad ways is divided into two and pair of contact button 37 on the cutting plate that formed contacts with the pair of contact button 34 being located at terminal 31 respectively, is separated (with reference to patent documentation 1).
And, in the double-contact structure of above-mentioned electromagnetic relay, to form pair of contact button 37 and pair of contact button 34 with same shape and same material and to make premised on a pair above-mentioned contact button 37 contact with a pair above-mentioned contact button 34 simultaneously.
Patent documentation 1: United States Patent (USP) No. 7659800 publication
But above-mentioned electromagnetic relay is because of the deviation of element precision, assembly precision, and pair of contact button 37 is difficult to contact with corresponding pair of contact button 34, be separated, and usually, the contact button 37 of side first contacts with corresponding contact button 34 simultaneously.Its result/, the above-mentioned contact button 37 first contacted and the wearing and tearing of above-mentioned contact button 34 are easily in progress, and there is life-span short such problem.
In addition, even if above-mentioned pair of contact button 37 contacting like that according to designing with pair of contact button 34, being separated simultaneously, because two groups of contact button 37,34 also can be worn and torn because of the generation of electric arc simultaneously, thus, there is the problem of contact resistance instability.
Summary of the invention
The present invention is point in view of the above problems, and its problem is to provide electromagnetic relay that is long, that always can be energized with stable contact resistance of a kind of life-span.
Electromagnetic relay of the present invention is in order to solve above-mentioned problem, adopt following formation, that is: the operation panel moved back and forth based on the magnetic force produced by the energising to electromagnet unit is utilized to rotate the mobile contact blade unit be made up of the mobile contact sheet that multi-disc is stacked, make to be located at respectively and described mobile contact blade unit to be divided into two along Width and formed first, a pair moving contact of the second cutting plate contacts with the pair of fixed contacts being located at fixed contact terminals respectively, be separated, wherein, after the opening and closing moving contact of the side in moving contact described in a pair is first contacted with the opening and closing fixed contact of a side, the energising moving contact of the opposing party is contacted with the energising fixed contact of the opposing party.
According to the present invention, even if produce electric arc between opening and closing moving contact and opening and closing fixed contact, between energising moving contact and energising fixed contact, also do not produce electric arc.Therefore, can be energized with the contact wear of moving contact and energising fixed contact is few, contact endurance is long, and there is the electromagnetic relay of stable energising characteristic.
An aspect of of the present present invention, also around the region being respectively equipped with described opening and closing moving contact and described energising moving contact in the free end of the cutting plate of the described mobile contact sheet directly pressed with described operation panel, slit can be set, and make the region bends in the outside being positioned at described slit and form the bent sheet of elastically deformable respectively.
According to this aspect, by forming bent sheet, the elastic force of described bent sheet can be utilized to regulate contact.
As another aspect of the present invention, it is larger than the spring constant of the bent sheet of the described cutting plate being provided with described opening and closing moving contact also can to make the spring constant of the described bent sheet of the cutting plate being provided with described energising moving contact.
According to this aspect, even if when less than opening and closing moving contact to the intrusion of energising moving contact, described energising moving contact also can obtain the contact identical with opening and closing moving contact in final position.
As another aspect of the present invention, the height dimension of the opening and closing fixed contact being located at described fixed contact terminals also can be made larger than the height dimension of described energising fixed contact.
According to this aspect, the effect equal with foregoing invention can be obtained, and the adjustment of the height dimension of opening and closing fixed contact and energising fixed contact is easy, so can element precision be obtained, assembly precision is high, operating characteristics does not have electromagnetic relay devious.
As another aspect of the present invention, also described opening and closing fixed contact can be set in the ratio in the surface of the described fixed contact terminals higher leveled region, region that is provided with described energising fixed contact.
According to this aspect, the effect equal with above-mentioned invention can be obtained, and the electromagnetic relay that the degree of freedom that can obtain designing expands.
As another aspect of the present invention, also than being located at the opening and closing moving contact of described first cutting plate more by the position of the free end side of described mobile contact sheet, energising moving contact can be arranged at the second cutting plate.
According to this aspect, the effect equal with foregoing invention can be obtained, and utilize the lever principle based on the pressing of operation panel, by large bending torque on opening and closing moving contact, high contact pressure can be obtained.
As other aspects of the present invention, the region that the pressing in the press surface of the described operation panel of the described cutting plate of pressing also can be made to be provided with the first cutting plate of described opening and closing moving contact is provided with the region high one-level of the second cutting plate of described energising moving contact than pressing.
According to this aspect, the effect equal with above-mentioned invention can be obtained, and only be provided with step at the press surface of described operation panel and just can guarantee desired contact force, easily guarantee the operating characteristics of wishing.
As another aspect of the present invention, the first cutting plate being provided with described opening and closing moving contact in first, second cutting plate described also can be made more to bend than the energising moving contact being located at described second cutting plate in the mode that described opening and closing moving contact is outstanding to fixed contact side.
According to this aspect, the effect equal with above-mentioned invention can be obtained, and by suitably being bent to thickness of slab direction by first, second cutting plate described, have and can easily be carried out regulating and the effect of the few electromagnetic relay of the deviation of operating characteristics.
Accompanying drawing explanation
Figure 1A, B are the stereograms of the state after the stereogram of the first execution mode representing electromagnetic relay of the present invention and Jiang Gai take;
Fig. 2 A, B be represent the electromagnetic relay shown in Fig. 1 action before and after vertical view;
Fig. 3 is the exploded perspective view of the electromagnetic relay shown in Figure 1A;
Fig. 4 is from different angle views to the exploded perspective view obtaining the electromagnetic relay shown in Figure 1A;
Fig. 5 A, B are the exploded perspective views of illustrated electromagnet unit in Fig. 3;
Fig. 6 A, B are the exploded perspective views of the moving contact terminal shown in Fig. 3 and mobile contact blade unit;
Fig. 7 A is the stereogram of the first mobile contact sheet shown in Fig. 6, and Fig. 7 B is the stereogram of the assemble method for illustration of moving contact terminal and mobile contact blade unit;
Fig. 8 A, B, C, D are the cutaway views of the assembling procedure for illustration of moving contact terminal and mobile contact blade unit;
Fig. 9 A is the stereogram of the variation representing the first mobile contact sheet shown in Fig. 6, and Fig. 9 B is the stereogram of the assemble method for illustration of moving contact terminal and mobile contact sheet;
Figure 10 A, B, C, D are the cutaway views of the assembling procedure of variation for illustration of moving contact terminal and mobile contact blade unit;
Figure 11 A is the fragmentary elevational view representing contact mechanism, and figure B, C, D are the B-B line cutaway views for illustration of course of action;
Figure 12 A is the fragmentary elevational view of the contact mechanism of the second execution mode representing electromagnetic relay of the present invention, and Figure 12 B is the stereogram of fixed contact terminals, and Figure 12 C is the C-C line cutaway view of Figure 12 A;
Figure 13 A is the fragmentary elevational view of the contact mechanism of the 3rd execution mode representing electromagnetic relay of the present invention, and Figure 13 B, C are the stereograms of moving contact terminal, mobile contact blade unit and fixed contact terminals, and Figure 13 D is the D-D line cutaway view of Figure 13 A;
Figure 14 A, B are fragmentary elevational view, the upward view of the contact mechanism of the 4th execution mode representing electromagnetic relay of the present invention, and Figure 14 C is the stereogram of illustrated card in Figure 14 A, B, and Figure 14 D is the D-D line cutaway view of Figure 14 A;
Figure 15 A, B are fragmentary elevational view, the upward view of the contact mechanism of the 5th execution mode representing electromagnetic relay of the present invention, and Figure 15 C is the stereogram of illustrated mobile contact blade unit in Figure 15 A, B, and Figure 15 D is the D-D line cutaway view of Figure 15 A.
Description of symbols
10: pedestal
11: partition wall
12a, 12b: terminal slit
13: press-in groove
13a: chipping allowance portion
13b: scrap slot
20: electromagnet unit
21: spool
22: coil
23: iron core
24: yoke
24a: magnetic pole piece
25: yoke
25a: magnetic pole piece
30: fixed contact terminals
31: opening and closing fixed contact
32: energising fixed contact
33: portion of terminal
34: stage portion
35: recess
40: moving contact terminal
41: riveted joint projection
42: portion of terminal
50: mobile contact blade unit
50a: notch
51: the first mobile contact sheets
51f: slit
51g: bent sheet
52: the second mobile contact sheets
53: the three mobile contact sheets
54: the four mobile contact sheets
54f: press-in projection
55: the first cutting plates
55a: bend
56: the second cutting plates
56a: bend
57: opening and closing moving contact
58: energising moving contact
60: rotating operation body
61: the first movable iron
62: the second movable iron
63: rotation axis portion
64: rotation axis portion
65: operation arm
70: operation panel
71: connecting hole
72: engaging arm
73: engaging slit
73a: pressing ridge
74: restriction protrusion
80: limiting plate
90: lid
Embodiment
The execution mode of electromagnetic relay of the present invention is described based on Fig. 1 ~ Figure 15.
The electromagnetic relay of the first execution mode, as shown in Fig. 1 ~ Fig. 8, is made up of pedestal 10, electromagnet unit 20, fixed contact terminals 30, the moving contact terminal 40 of riveting fixing mobile contact blade unit 50, rotating operation body 60, operation panel 70, limiting plate 80 and lid 90 substantially.
Said base 10 has the box shape of planar square, as shown in Figure 3, projects partition wall 11 in its bottom surface, and the upper side to face in above-mentioned partition wall 11 is formed with chimeric stage portion 11a.In addition, said base 10 is provided with pair of terminal slit 12a, 12b in formation by the sidewall of the inner space of the separated side of above-mentioned partition wall 11.In addition, being formed with for being pressed into, fixing the press-in groove 13 of an end of moving contact terminal 40 described later in the above-mentioned inner space of a side.And said base 10 is provided with location teat 14 for locating electromagnet unit 20 described later and positioning rib 15 (Fig. 2) in the inner space by the separated the opposing party of above-mentioned partition wall 11.On above-mentioned location teat 14 and positioning rib 15, end face is respectively equipped with location hole 14a, 15a thereon.In addition, said base 10 bight is on the diagonal provided with installing hole 16,36, and is respectively equipped with locking protrusion 17 at the lateral surface of the both sides being positioned at above-mentioned installing hole 16.
As shown in Figure 5, electromagnet unit 20 has flange part 21a, 21b at two ends, and inserts iron core 23 at the through hole 21c of the spool 21 of winding coil 22, rivets the yoke 24,25 being fixed with cross section cardinal principle L shape at outstanding both ends respectively.Three coil terminals 26a, 26b, 26c are pressed in the same edge of above-mentioned flange part 21b.And, as shown in Figure 2, said base 10 is located via above-mentioned partition wall 11, location teat 14 and positioning rib 15, is assembled with above-mentioned electromagnet unit 20.
As shown in Figure 3, in one end, riveted joint is fixed with opening and closing fixed contact 31 and energising fixed contact 32 to above-mentioned fixed contact terminals 30, and using its other end as portion of terminal 33.Above-mentioned opening and closing fixed contact 31 is such as formed by the metal material of this excellent electric conductivity of silver.And above-mentioned opening and closing fixed contact 31 is large from the height dimension that the height dimension that above-mentioned fixed contact terminals 30 is outstanding is more outstanding than above-mentioned energising fixed contact 32, and larger than the diameter of above-mentioned energising fixed contact 32.The thickness that the Thickness Ratio particularly covering the ag material on the surface of above-mentioned opening and closing fixed contact 31 covers the ag material on the surface of above-mentioned energising fixed contact 32 is thick.
One end riveted joint of above-mentioned mobile contact blade unit 50 is fixed via the riveted joint projection 41 (Fig. 6 B) being located at one end by above-mentioned moving contact terminal 40, and using its other end as portion of terminal 42.
As shown in Figure 6, above-mentioned mobile contact blade unit 50 be by four first, second, third, fourth mobile contact sheets 51,52,53,54 stacked, utilize the riveted joint projection 41 of above-mentioned moving contact terminal 40 by fixing for their an end riveted joint.And above-mentioned mobile contact blade unit 50 as shown in Figure 4, to be divided into two at Width and the free end of first, second cutting plate 55,56 formed is riveted respectively and is fixed with opening and closing moving contact 57 and energising moving contact 58.
Above-mentioned opening and closing moving contact 57 is such as formed by the metal material of this excellent electric conductivity of silver.In addition, above-mentioned opening and closing moving contact 57 is large from the height dimension that the height dimension that above-mentioned mobile contact blade unit 50 is outstanding is more outstanding than above-mentioned energising moving contact 58, and larger than the diameter of above-mentioned energising moving contact 58.The thickness that the Thickness Ratio particularly covering the ag material on the surface of above-mentioned opening and closing moving contact 57 covers the ag material on the surface of above-mentioned energising moving contact 58 is thick.In addition, first, second cutting plate 55,56 above-mentioned is all formed with bend from general U-shape to thickness of slab direction 55a, 56a of bending at its base portion.And mobile contact blade unit 50 is formed with notch 50a in its end side bight.
In addition, in the present embodiment, the height dimension given prominence to above-mentioned opening and closing fixed contact 31, above-mentioned opening and closing moving contact 57 both sides is illustrated than above-mentioned energising fixed contact 32, situation that above-mentioned energising moving contact 58 is large.But, above-mentioned formation need not be defined in, as long as above-mentioned opening and closing fixed contact 31, above-mentioned opening and closing moving contact 57 at least either party height dimension than above-mentioned energising fixed contact 32, above-mentioned energising moving contact 58 greatly.
In addition, obvious above-mentioned mobile contact blade unit 50 is at least formed by two panels mobile contact sheet.
As shown in Figure 6, end side broad ways is divided into two and forms cutting plate 51a, 51b by above-mentioned first mobile contact sheet 51, and is formed with the bend 51c base curve of above-mentioned cutting plate 51a, 51b being become roughly U-shaped.In addition, above-mentioned first mobile contact sheet 51 is provided with multiple riveted holes 51d side by side in its other end edge, and is formed with notch 51e in its other end bight.In addition, be provided with the slit 51f of semi-circular shape around above-mentioned cutting plate 51a, 51b region being respectively equipped with above-mentioned opening and closing moving contact 57 and above-mentioned energising moving contact 58 in its free end, and make the remaining region bends in the outside being positioned at above-mentioned slit 51f and form the bent sheet 51g of elastically deformable respectively.
According to the present embodiment, be provided with the slit 51f of general U-shape in the mode of surrounding the region being provided with opening and closing moving contact 57 and energising moving contact 58, make the remaining area in the outside being positioned at above-mentioned slit 51f bend and form the bent sheet 51g of elastically deformable.Therefore, it is possible to regulate contact according to the generation type of above-mentioned slit 51f and above-mentioned bent sheet 51g.
Particularly, as shown in Figure 6B, the bent sheet 51g being located at the cutting plate 51b being provided with energising moving contact 58 in above-mentioned first mobile contact sheet 51 is shorter than the bent sheet 519 being located at the cutting plate 51a being provided with opening and closing moving contact 57, and spring constant is large.This is because, even if less than opening and closing moving contact 57 to the intrusion of energising moving contact 58 when, energising moving contact 58 also guarantees the contact identical with opening and closing moving contact 57 at operating position.
In addition, above-mentioned slit may not be semicircle, also can be at least one straight slit.
As shown in Figure 6, end side broad ways is divided into two and forms cutting plate 52a, 52b by above-mentioned second mobile contact sheet 52, and forms the bend 52d base curve of above-mentioned cutting plate 52a, 52b being become general U-shape.In addition, above-mentioned second mobile contact sheet 52 is provided with multiple riveted holes 52d side by side in its other end edge, and is formed with notch 52e in its other end bight.
As shown in Figure 6, end side broad ways is divided into two and forms cutting plate 53a, 53b by above-mentioned 3rd mobile contact sheet 53, and forms the bend 53c base curve of above-mentioned cutting plate 53a, 53b being become general U-shape.In addition, above-mentioned 3rd mobile contact sheet 53 is provided with multiple riveted holes 53d side by side in its other end edge, and is formed with notch 53e in its other end bight.
As shown in Figure 6, end side broad ways is divided into two and forms cutting plate 54a, 54b by above-mentioned 4th mobile contact sheet 54, and forms the bend 54c base curve of above-mentioned cutting plate 54a, 54b being become general U-shape.In addition, above-mentioned 4th mobile contact sheet 54 is provided with multiple riveted holes 54d side by side in its other end edge, and is formed with notch 54e in its other end bight, has been processed to form press-in projection 54f in remaining other end bight by projection.
And, at the leading section of the above-mentioned cutting plate 54a of a side, bending being used for same direction with a pair spacing tongue piece 54g, 54g that the engaging arm 72 of operation panel 70 described later engages up and down.
In addition, similarly, at the leading section of the cutting plate 54b of the opposing party, a pair spacing tongue piece 54h, 54h being used at the engaging arm 72 of locating operation panel 70 described later are up and down bent to same direction.At the above-mentioned spacing tongue piece 54h of a side, form by being bent at its both ends spacing spacing rib 54i, 54i of carrying out Width.
When being pressed into riveted joint to the press-in groove 13 of said base 10 and being fixed with an end of moving contact terminal 40 of mobile contact blade unit 50, as shown in Figure 7, an end of above-mentioned moving contact terminal 40 located from top and insert the press-in groove 13 being located at said base 10.Now, as shown in Figure 8, the gauge W1 containing an end of the above-mentioned moving contact terminal 40 of riveted joint projection 41 is less than the width dimensions W2 of above-mentioned press-in groove 13, and (Wl < W2=, so do not form cutting swarf, can assemble swimmingly.Particularly because the bight of the end side at above-mentioned mobile contact blade unit 50 is provided with notch 50a, so press-in operation is more prone to.
In addition, when above-mentioned press-in groove 13 is inserted in an end of above-mentioned moving contact terminal 40, the gauge W3 larger or equal than the width dimensions W2 of above-mentioned press-in groove 13 (W2≤W3) of moving contact terminal 40 containing press-in projection 54f, so can feel large resistance.In addition, when be pressed into above-mentioned moving contact terminal 40 time, the lower end edge portion of above-mentioned moving contact terminal 40 nip be formed at press-in groove 13 medial surface chipping allowance portion 13a and be firmly held.In addition, be pressed into time produce scrape chip can accumulate in be formed at press-in groove 13 bottom surface scrap slot 13b in and sealed by moving contact terminal 40.
In the above-described embodiment, the situation the 4th mobile contact sheet 54 at mobile contact blade unit 50 being formed with to two press-in projection 54f is illustrated, but may not be defined in this, at least one, in addition, as shown in FIG. 9 and 10, also can respectively form two in the edge, both sides of an end of the 4th mobile contact sheet 54, amount to four press-in projection 54f.
Other is roughly the same with the first above-mentioned execution mode, so mark identical mark to identical part and omit the description.
As shown in Figures 3 and 4, first, second movable iron 61,62 of two panels of permanent magnet not shown for clamping is made of one piece by rotating operation body 60, thereon, same axle center is equipped with rotation axis portion 63,64, on the other hand, operation arm 65 is equipped with in its side.
And, above-mentioned rotating operation body 60 is chimeric with the bearing recess (not shown) of the bottom surface being located at said base 10 by its rotation axis portion 63, on the other hand, the two ends of first, second movable iron 61,62 above-mentioned alternately can be contacted, are configured at discretely magnetic pole piece 24a, 25a (Fig. 2) of above-mentioned electromagnet unit 20.
As shown in Figures 3 and 4, operation panel 70 is provided with the connecting hole 71 of the planar square that can engage with the operation arm 65 of above-mentioned rotating operation body 60 in one end, on the other hand, is extended by engaging arm 72 and form engaging slit 73 in its other end.Particularly, a pair restriction protrusion 74,74 is equipped with in the lower end of above-mentioned engaging arm 72.
And, the operation arm 65 of the connecting hole 71 of aforesaid operations plate 70 with above-mentioned rotating operation body 60 is engaged, and the free end of above-mentioned mobile contact blade unit 50 is fastened in above-mentioned engaging slit 73.Particularly, be located at a pair spacing tongue piece 54g, 54g of the cutting plate 54a of the 4th mobile contact sheet 54 in above-mentioned engaging arm 72 engaging, and a pair spacing tongue piece 54h, 54h of cutting plate 54b are located in engaging.
In addition, the spacing rib 54i being formed at above-mentioned spacing tongue piece 54h is positioned between a pair restriction protrusion 74,74 of above-mentioned engaging arm 72, because mobile contact blade unit 50 does not produce position deviation at Width, so the excellent electromagnetic relay of operating characteristics can be obtained.
As shown in Figures 3 and 4, limiting plate 80 has the flat shape that can be set up in above-mentioned location teat 14 and above-mentioned positioning rib 15, and both ends be in its lower section equipped with can be chimeric with location hole 14a, 15a of above-mentioned location teat 14 and above-mentioned positioning rib 15 respectively location teat 81,82.In addition, above-mentioned limiting plate 80 is provided with through hole 83 that can be chimeric with the rotation axis portion 64 of above-mentioned rotating operation body 60 in the central portion.
As shown in Figures 3 and 4, lid 90 has the flat shape of the peristome that can cover said base 10, is equipped with the mounting cylinder portion 91,91 possessing through hole 91a in the relative bight in its top board face.In addition, with the above-mentioned locking protrusion 17 of the said base 10 corresponding position of above-mentioned lid 90 outside in circumference is formed with resilient prong 92 respectively.In addition, above-mentioned lid 90 is formed with the ridge 93 chimeric with the chimeric stage portion 11a of the partition wall 11 being located at said base 10 at its end face.
And, above-mentioned lid 90 is positioned at the said base 10 being assembled with above-mentioned Inner Constitution part from top, by the mounting cylinder portion 91 of above-mentioned lid 90 is chimeric with the installing hole 16 being located at said base 10, and the resilient prong 92 of above-mentioned lid 90 is engaged with the locking protrusion 17 of said base 10, completes assembling operation.
According to the present embodiment, the opening and closing moving contact 57 due to large footpath is configured in the peristome side of pedestal 10, so have the inspection and adjustment of easily carrying out assembling procedure, and the high such advantage of productivity.
Then, the action of the electromagnetic relay of present embodiment is described.
First, as shown in Figure 2 A, an end 61a of the first movable iron 61 and the other end 62b of the second movable iron 62 utilizes the magnetic force of permanent magnet to be adsorbed in magnetic pole piece 24a, 25a of yoke 24,25 respectively, starts to be described.Now, the operation panel 70 engaged with the operation arm 65 of above-mentioned rotating operation body 60 is in home position, opening and closing with and energising moving contact 57,58 from opening and closing with and energising fixed contact 31,32 leave.Now, the relative distance ratio energising fixed contact 32 of opening and closing fixed contact 31 with opening and closing moving contact 57 and the relative distance short (Figure 11 A) of energising moving contact 58.
And, when to above-mentioned coil 22 offset above-mentioned permanent magnet magnetic force direction apply voltage and excitation time, above-mentioned rotating operation body 60 is resisted the magnetic force of permanent magnet and rotates.Therefore, after one end 61a of the first movable iron 61 and the other end 62b of the second movable iron 62 leaves from magnetic pole piece 24a, 25a of yoke 24,25, the other end 61b of a first movable iron 61 and end 62a of the second movable iron 62 is adsorbed in magnetic pole piece 25a, 24a of yoke 25,24 respectively.Consequently, the operation arm 65 of the rotating operation body 60 of rotation makes operation panel 70 slip mobile, and the medial surface of the engaging slit 73 of aforesaid operations plate 70 presses bent sheet 51g, the 51g of the first mobile contact sheet 51 simultaneously.Therefore, opening and closing moving contact 57 and energising moving contact 58 rotate centered by the part being fixed by caulking to moving contact terminal 40 via riveted joint projection 41.And after opening and closing moving contact 57 first abuts with opening and closing fixed contact 31 (Figure 11 C), energising moving contact 58 contacts with energising fixed contact 32 (Figure 11 D).In addition, operation panel 70 is pressed into the bent sheet 51g of mobile contact blade unit 50.Now, the bent sheet 51g being located at the cutting plate 51b being provided with energising moving contact 58 is shorter than the bent sheet 51g being located at cutting plate 51a, and spring constant is large.Therefore, not only little than opening and closing moving contact 57 to the pressing quantity of energising moving contact 58, and opening and closing moving contact 57 and energising moving contact 58 crimp with opening and closing fixed contact 31 and energising fixed contact 32 with identical contact force respectively in final position.
Then, even if stop applying voltage to above-mentioned coil 22, by the magnetic force of permanent magnet, above-mentioned rotating operation body 60 also keeps its state (Fig. 3).
In addition, when applying voltage in the mode producing magnetic flux on the direction of magnetic force of offsetting above-mentioned permanent magnet to above-mentioned coil 22, above-mentioned rotating operation body 60 rotates round about, thus, operation panel 70 retracts by operation arm 65, the free end of mobile contact blade unit 50 retracts by the engaging arm 72 of aforesaid operations plate 70, returns to original position (Fig. 2).
According to the present embodiment, even if produce electric arc between opening and closing moving contact 57 and opening and closing fixed contact 31, not only not easy damaged, and electric arc is not produced between energising moving contact 58 and energising fixed contact 32.Therefore, the situation that the contact endurance not having contact wear to cause shortens, and there is the advantage that can obtain the electromagnetic relay with stable energising characteristic.
Second execution mode is substantially same with the first above-mentioned execution mode, as shown in figure 12, difference is to implement outstanding processing to the surface of fixed contact terminals 30, the recess 35 of higher leveled stage portion 34 and low one-level is set, opening and closing fixed contact 31 and energising fixed contact 32 is riveted respectively and is fixed on above-mentioned stage portion 34 and above-mentioned recess 35.
Therefore, according to the present embodiment, not only the effect same with above-mentioned execution mode can be obtained, and the advantage that the degree of freedom with design is large.
Other side is same with the first above-mentioned execution mode, so to marking same mark with a part and omitting the description.
3rd execution mode is roughly the same with the first above-mentioned execution mode, as shown in figure 13, difference is to be configured in by the energising moving contact 58 being located at the second cutting plate 56 than being located at the opening and closing moving contact 57 of the first cutting plate 55 more by the free end side of the 4th mobile contact sheet 54.
More specifically, difference is, is provided with opening and closing moving contact 57, and is provided with energising moving contact 58 at the free end of its second cutting plate 56 at the base portion of the first cutting plate 55 of mobile contact blade unit 50.And fixed contact terminals 30 is riveted in the position relative with above-mentioned opening and closing moving contact 57 and above-mentioned energising moving contact 58 and is fixed with opening and closing fixed contact 31 and energising fixed contact 32.
According to the present embodiment, first, second cutting plate 55,56 can utilize the elastic force of self to move to fixed contact terminals 30 side, and the relative distance ratio energising fixed contact 32 of opening and closing fixed contact 31 and opening and closing moving contact 57 is short with the relative distance of energising moving contact 58.Therefore, when the free end pressing above-mentioned mobile contact blade unit 50 with operation panel 50 makes it rotate, after opening and closing contacts with opening and closing fixed contact 31 with moving contact 57, energising moving contact 58 contacts with energising fixed contact 32.
Therefore, according to the present embodiment, not only can obtain the effect same with the first above-mentioned execution mode, and utilize the lever principle based on the pressing of operation panel 70, by larger bending torque on opening and closing moving contact 57, there is the advantage that can obtain high contact force.
Other side is same with the first above-mentioned execution mode, so mark identical mark to identical part and omit the description.
As shown in figure 14,4th execution mode is roughly the same with the first above-mentioned execution mode, difference is, the region abutted with the first cutting plate 55 of mobile contact blade unit 50 in the medial surface of the engaging slit 73 of operation panel 70 is equipped with pressing ridge 73a more higher leveled than the region abutted with the second cutting plate 56 of mobile contact blade unit 50.
According to the present embodiment, when making aforesaid operations plate 70 slide mobile, the first cutting plate 55 is first pressed, so after opening and closing first contacts with opening and closing fixed contact 31 with moving contact 57, energising moving contact 58 contacts with energising fixed contact 32.
Therefore, according to the present embodiment, have and not only can obtain the effect same with above-mentioned first execution mode, as long as and regulate the height dimension of pressing ridge 73a of aforesaid operations plate 70, just can guarantee the contact force of wishing, easily guarantee the advantage of desired operating characteristics.
Other side is same with the first above-mentioned execution mode, therefore marks identical mark to identical part and omits the description.
As shown in figure 15, the 5th execution mode is roughly the same with the first above-mentioned execution mode, and difference is, the first cutting plate 55 of mobile contact blade unit 50 is applied bending machining in the mode more outstanding to fixed contact terminals 30 side than the second cutting plate 56.
According to the present embodiment, when making aforesaid operations plate 70 slide mobile, after the opening and closing moving contact 57 being located at the first cutting plate 55 first contacts with opening and closing fixed contact 31, the energising moving contact 58 being located at the second cutting plate 56 contacts with energising fixed contact 32.
Therefore, according to the present embodiment, not only can obtaining the effect same with the first above-mentioned execution mode, and by being bent upwards in thickness of slab side by first, second cutting plate 55,56 above-mentioned, can easily be carried out regulating, electromagnetic relay that the deviation of operating characteristics is little.
Other side is identical with the first above-mentioned execution mode, so mark identical mark to identical part and omit the description.
In addition, in the present embodiment, by other bent sheet 51g of will connecing near a bent sheet 51g of the first mobile contact sheet 51 more significantly to moving contact terminal 40 lateral buckling, also the abutting moment of opening and closing moving contact 57 can be staggered.
Industry utilizes possibility
Electromagnetic relay of the present invention is not limited to above-mentioned electromagnetic relay, also goes for other electromagnetic relay, electric equipment.
Claims (8)
1. an electromagnetic relay, the operation panel moved back and forth based on the magnetic force produced by the energising to electromagnet unit is utilized to rotate the mobile contact blade unit be made up of the mobile contact sheet that multi-disc is stacked, make to be located at respectively and described mobile contact blade unit broad ways to be divided into two and a pair moving contact on first, second cutting plate formed contacts with the pair of fixed contacts being located at fixed contact terminals respectively, is separated, it is characterized in that
After the opening and closing moving contact of the side in moving contact described in a pair is first contacted with the opening and closing fixed contact of a side, the energising moving contact of the opposing party is contacted with the energising fixed contact of the opposing party.
2. electromagnetic relay as claimed in claim 1, is characterized in that,
In the free end of the cutting plate of the described mobile contact sheet directly pressed by described operation panel, around the region being respectively equipped with described opening and closing moving contact and described energising moving contact, be provided with slit, and make the region bends in the outside being positioned at described slit and form the bent sheet of elastically deformable respectively.
3. electromagnetic relay as claimed in claim 2, is characterized in that,
It is larger than the spring constant of the bent sheet of the described cutting plate being provided with described opening and closing moving contact to make the spring constant of the described bent sheet of the cutting plate being provided with described energising moving contact.
4. the electromagnetic relay according to any one of claims 1 to 3, is characterized in that,
Make the height dimension of the opening and closing fixed contact being located at described fixed contact terminals larger than the height dimension of described energising fixed contact.
5. the electromagnetic relay according to any one of claims 1 to 3, is characterized in that,
Described opening and closing fixed contact is provided with than the higher leveled region, region being provided with described energising fixed contact in the surface of described fixed contact terminals.
6. the electromagnetic relay according to any one of claims 1 to 3, is characterized in that,
Than being located at the opening and closing moving contact of described first cutting plate more by the position of the free end side of described mobile contact sheet, energising moving contact is located at the second cutting plate.
7. the electromagnetic relay according to any one of claims 1 to 3, is characterized in that,
The region making the pressing in the press surface of the described operation panel of first, second cutting plate described in pressing be provided with the first cutting plate of described opening and closing moving contact is provided with the region high one-level of the second cutting plate of described energising moving contact than pressing.
8. the electromagnetic relay according to any one of claims 1 to 3, is characterized in that,
The first cutting plate being provided with described opening and closing moving contact in first, second cutting plate described is more bent than the energising moving contact being located at described second cutting plate in the mode that described opening and closing moving contact is outstanding to fixed contact side.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013272856A JP5741679B1 (en) | 2013-12-27 | 2013-12-27 | Electromagnetic relay |
| JP2013-272856 | 2013-12-27 | ||
| PCT/JP2014/070777 WO2015098171A1 (en) | 2013-12-27 | 2014-08-06 | Electromagnetic relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104969325A true CN104969325A (en) | 2015-10-07 |
| CN104969325B CN104969325B (en) | 2017-11-10 |
Family
ID=53478061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480001681.1A Active CN104969325B (en) | 2013-12-27 | 2014-08-06 | Electromagnetic relay |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP3089190B1 (en) |
| JP (1) | JP5741679B1 (en) |
| CN (1) | CN104969325B (en) |
| BR (1) | BR112015004480A2 (en) |
| MX (1) | MX2015003168A (en) |
| RU (1) | RU2015107869A (en) |
| WO (1) | WO2015098171A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107924790A (en) * | 2015-10-29 | 2018-04-17 | 欧姆龙株式会社 | Relay |
| CN108140517A (en) * | 2015-10-29 | 2018-06-08 | 欧姆龙株式会社 | Relay |
| US10784055B2 (en) | 2015-10-29 | 2020-09-22 | Omron Corporation | Contact piece unit and relay |
| CN114041197A (en) * | 2019-07-02 | 2022-02-11 | 广东德昌电机有限公司 | Electrical contact system for a switching device |
| US11289280B2 (en) | 2017-10-25 | 2022-03-29 | Xi'an Jiaotong University | High voltage relay resistant to instantaneous high-current impact |
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| JP2000033247A (en) * | 1998-07-16 | 2000-02-02 | Daicel Chem Ind Ltd | Solid-liquid separation |
| JP6575343B2 (en) * | 2015-12-11 | 2019-09-18 | オムロン株式会社 | relay |
| JP6421745B2 (en) | 2015-12-11 | 2018-11-14 | オムロン株式会社 | relay |
| JP6132043B1 (en) * | 2016-02-23 | 2017-05-24 | オムロン株式会社 | Power switchgear |
| JP6934636B2 (en) * | 2017-05-12 | 2021-09-15 | パナソニックＩｐマネジメント株式会社 | Electromagnetic relay |
| JP7149824B2 (en) | 2018-11-30 | 2022-10-07 | 富士通コンポーネント株式会社 | electromagnetic relay |
| JP7183014B2 (en) | 2018-11-30 | 2022-12-05 | 富士通コンポーネント株式会社 | Electromagnetic relay and method for manufacturing electromagnetic relay |
| JP7253906B2 (en) | 2018-11-30 | 2023-04-07 | 富士通コンポーネント株式会社 | Electromagnetic relay terminals and electromagnetic relays |
| DE202019103631U1 (en) * | 2019-07-02 | 2019-07-10 | Johnson Electric Germany GmbH & Co. KG | Spring-based contact system for the switching function of an electrical current operated switching device |
| JP7166379B2 (en) * | 2021-03-24 | 2022-11-07 | 松川精密股▲ふん▼有限公司 | Electromagnetic relay contact elastic piece structure |
| JP7359914B1 (en) | 2022-07-28 | 2023-10-11 | 大崎電気工業株式会社 | Electronic electricity meter switch |
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- 2014-08-06 WO PCT/JP2014/070777 patent/WO2015098171A1/en active Application Filing
- 2014-08-06 BR BR112015004480-8A patent/BR112015004480A2/en not_active IP Right Cessation
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| CN107924790A (en) * | 2015-10-29 | 2018-04-17 | 欧姆龙株式会社 | Relay |
| CN108140517A (en) * | 2015-10-29 | 2018-06-08 | 欧姆龙株式会社 | Relay |
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| US11289280B2 (en) | 2017-10-25 | 2022-03-29 | Xi'an Jiaotong University | High voltage relay resistant to instantaneous high-current impact |
| US11694856B2 (en) | 2017-10-25 | 2023-07-04 | Xi'an Jiaotong University | High voltage relay resistant to instantaneous high-current impact |
| CN114041197A (en) * | 2019-07-02 | 2022-02-11 | 广东德昌电机有限公司 | Electrical contact system for a switching device |
| CN114041197B (en) * | 2019-07-02 | 2023-12-12 | 广东德昌电机有限公司 | Electrical contact system for a switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015098171A1 (en) | 2015-07-02 |
| JP5741679B1 (en) | 2015-07-01 |
| MX2015003168A (en) | 2016-01-11 |
| JP2015127996A (en) | 2015-07-09 |
| CN104969325B (en) | 2017-11-10 |
| EP3089190B1 (en) | 2020-10-07 |
| EP3089190A1 (en) | 2016-11-02 |
| BR112015004480A2 (en) | 2018-04-17 |
| RU2015107869A (en) | 2018-02-01 |
| EP3089190A4 (en) | 2017-11-29 |
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