CN101533738A - Electromagnetic relay - Google Patents
Electromagnetic relay Download PDFInfo
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- CN101533738A CN101533738A CN200910118476A CN200910118476A CN101533738A CN 101533738 A CN101533738 A CN 101533738A CN 200910118476 A CN200910118476 A CN 200910118476A CN 200910118476 A CN200910118476 A CN 200910118476A CN 101533738 A CN101533738 A CN 101533738A
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Abstract
The invention provides an electromagnetic relay capable of simultaneously verifying the contact of two a contacts. A contact component (45) remains on a contact piece holding element (27) installed at a movable paster (20), the contact component (45) has two mutually short-circuited contact pieces (28, 29) through a short-circuit part (30), a normal open movable contact (28A) is supported and fixed on a contact piece (28), an a contact is formed by a normal open movable contact (28A) and a normal open fixed contact (7A), another normal open movable contact (29A) is supported and fixed on another contact piece (29), another a contact is formed by another normal open movable contact (29A) and another normal open fixed contact (7B), and a signal fetching part (31) for adjusting the contact of two a contacts simultaneously is formed on the short-circuit part (30) in a protruding manner.
Description
Technical field
The present invention relates to the excitation by solenoid mechanism or demagnetization drives movable iron and make the electric contact switching mechanism with movable terminal and fixed terminal carry out the electromagnetic relay that on-off action constitutes, particularly, the electromagnetic relay that relates to mechanism with the contact simultaneity that can confirm two a contacts.
Background technology
In the electromagnetic relay that opens and closes based on dc load, the contact voltage when opening and closing in order to make reduces and adopts the structure that disposes the contact in upright arrangemently.
In addition, in the electromagnetic relay that the contact of carrying out the dc high voltage load opens and closes, on the electrical equipment main body, be provided with movable iron, it is the center swing that this movable iron is swung fulcrum by the excitation of solenoid mechanism with it, movable iron keeps sheet material, this sheet material has three operation juts, but each operation jut and corresponding moving contacting plate contact, under the erasing state of electromagnetic component of solenoid mechanism not being switched on, movable iron is swung by the active force of leaf spring, but the moving contact of moving contacting plate is connected with the fixed contact side of normally closed fixed contact piece.And, if to the electromagnetic component energising and from making solenoid mechanism become excited state from erasing state, the interior side direction swing that attracts movable iron to housing then unshakable in one's determination, but the operation jut of sheet material slides on moving contacting plate, the result, but moving contacting plate swing makes moving contact leave and be connected (with reference to patent documentation 1) with the fixed contact of often opening the fixed contact piece side from the fixed contact side of normally closed fixed contact piece.
Patent documentation 1:(Japan) spy opens the 2007-250238 communique
According to existing electromagnetic relay with two a contacts, in its electric contact switching mechanism, in the switching of an a contact and another a contact not simultaneously not constantly, owing to making the on-off action of a contact be partial to a side, its difference that opens and closes the moment carries out, the result, the consumption that is caused by electric arc of a contact only is accelerated in a side of an a contact and another a contact, has the problem in electric switch life-span desired in the time of can not satisfying commercialization.
Summary of the invention
Therefore, the present invention makes in order to improve above-mentioned existing issue, and its purpose is to be provided at the affirmation of the contact simultaneity that can easily carry out two a contacts in the manufacturing process and the electromagnetic relay of adjustment.
To achieve these goals, electromagnetic relay of the present invention, in the electrical equipment main body, be provided with movable iron, it is the center swing that this movable iron is swung fulcrum by the excitation of solenoid mechanism with it, swing by this movable iron makes the electric contact switching mechanism with movable terminal and two fixed terminals carry out on-off action, in the electrical equipment main body, be provided with resetting device, swing position when it remains on the demagnetization of solenoid mechanism with described movable iron, wherein, two fixed terminals have respectively often opens fixed contact, movable iron keeps in touch parts via maintaining body, this contact component has by short circuit portion two contact chips of short circuit mutually, be fixed with one of movable terminal in contact chip supporting and often open moving contact, one often open moving contact and and often open fixed contact and constitute an a contact by this, another that is fixed with moving contact in the supporting of another contact chip often opened moving contact, often open moving contact and another by this another and often open fixed contact and constitute another a contact, in the outstanding signal taking-up portion that contacts simultaneity that adjusts an a contact and another a contact that is useful on that forms of short circuit portion.
According to said structure, to the electromagnetic component excitation and make movable iron swing and make an a contact and another a contact turn-on action, the contact time of contact that an a contact is detected by the signal taking-up portion that contacts simultaneity can be by two fixed terminals and be used to adjust, the contact time of contact of another a contact can be detected simultaneously.
Like this, owing to can in manufacturing process, confirm the contact simultaneity of two a contacts, so can be based on confirming that the result adjusts the contact simultaneity of two a contacts, the fluctuation in desired electric switch life-span in the time of can reducing commercialization.
In addition, in the electromagnetic relay of the invention described above, maintaining body can be constituted the contact chip holding member that is installed on the movable iron, this contact chip holding member keeps the signal taking-up portion of contact chip and the part between the contact chip.
When adjusting the contact simultaneity of a contact, connect electric wire in signal taking-up portion.Apply external force by this wire pair signal taking-up portion.But the sheet holding member keeps and reinforcement because the signal taking-up portion of contact component and the part between the contact chip are touched, even so apply this external force, contact component is distortion hardly also.Therefore, the contact simultaneity of signal taking-up portion externally applied forces to a contact exerted an influence hardly, the contact simultaneity is confirmed and adjusted so can be subjected to the influence of external force hardly.
In addition, in the electromagnetic relay of the invention described above, electromagnetic relay of the present invention also can constitute: movable iron will be swung sheet portion with roughly L shaped integrally formed mutually with the unshakable in one's determination relative sheet portion relatively unshakable in one's determination and the movable terminal that disposes of solenoid mechanism by bend, and movable iron side holding section is set near the bend of the relative sheet of iron core portion, the solenoid installing component that keeps solenoid mechanism is set in the electrical equipment main body, installing component side holding section is set on this solenoid installing component, on this installing component side holding section, engage movable iron side holding section swingably and constitute the swing fulcrum of movable iron, signal taking-up portion from the contact chip holding member towards outstanding near the direction of swing fulcrum.
According to said structure, because the position of signal taking-up portion is near the swing fulcrum, so excitation by solenoid mechanism and demagnetization be when making the contact component swing, the displacement of signal taking-up portion is little.Therefore, even from applying external force with signal taking-up portion wire connecting, the influence that the swing characteristic of contact component is subjected to is also very little, can be subjected to external force to contact the affirmation and the adjustment of simultaneity hardly with influencing.
In addition, in the electromagnetic relay of the invention described above, electromagnetic relay of the present invention also can be provided with in signal taking-up portion and connect the connecting hole of signal taking-up with distribution.
According to said structure, for example, can carry out the distribution operation simply by connecting hole by making distribution signal being taken out often the opening under the situation that fixed terminal is connected in series of portion, power supply, lamp, one (or another) a contact side.
According to electromagnetic relay of the present invention, owing to can in manufacturing process, confirm the contact simultaneity of two a contacts, so if based on confirming that the result adjusts the contact simultaneity of two a contacts, the fluctuation in desired appliance switch life-span in the time of then can reducing commercialization.
Description of drawings
Fig. 1 is the stereogram of the outward appearance of expression electromagnetic relay of the present invention (bipolar contact type);
Fig. 2 is the stereogram of the decomposing state of this electromagnetic relay;
Fig. 3 is a perspective housing and represent the front elevation of this electromagnetic relay;
Fig. 4 is a perspective housing and represent the back view of this electromagnetic relay;
Fig. 5 is the X-X profile of erasing state of the solenoid mechanism of electromagnetic relay shown in Figure 3;
Fig. 6 is the Y-Y profile of excited state of the solenoid mechanism of electromagnetic relay shown in Figure 3;
Fig. 7 is the stereogram of pedestal;
Fig. 8 is the plane graph of pedestal;
Fig. 9 is the stereogram of the electric contact switching mechanism of electromagnetic relay (bipolar contact type);
The stereogram of Figure 10 state that to be the contact chip keeper keep contact chip;
Figure 11 is the stereogram of contact chip;
Figure 12 is the stereogram of the contact chip keeper seen from rear side;
Figure 13 is the stereogram that maintains the terminal of reseting spring leaf;
Figure 14 is the stereogram that leading section is provided with the terminal that the reseting spring leaf of contact keeps;
Figure 15 is the front elevation of the electric contact switching mechanism under the erasing state of solenoid mechanism in the electromagnetic relay (bipolar contact type);
Figure 16 is the side view of the electric contact switching mechanism under the erasing state of this solenoid mechanism;
Figure 17 is the front elevation of the electric contact switching mechanism under the excited state of this solenoid mechanism;
Figure 18 is the side view of the electric contact switching mechanism under the excited state of this solenoid mechanism;
Figure 19 is the key diagram of testing circuit of adjustment that is used to carry out the contact simultaneity of contact;
Figure 20 is the key diagram of adjustment of the contact simultaneity of contact;
Figure 21 is the wiring diagram of electromagnetic relay (bipolar contact type);
Figure 22 is the wiring diagram of electromagnetic relay (one pole contact type);
Figure 23 is the stereogram of the electric contact switching mechanism of electromagnetic relay (one pole contact type);
Figure 24 is the front elevation of the electric contact switching mechanism under the erasing state of solenoid mechanism in the electromagnetic relay (one pole contact type);
Figure 25 is the side view of the electric contact switching mechanism under the erasing state of this solenoid mechanism;
Figure 26 is the front elevation of the electric contact switching mechanism under the excited state of this solenoid mechanism;
Figure 27 is the side view of the electric contact switching mechanism under the excited state of this solenoid mechanism.
Description of reference numerals
6-1 often opens fixed terminal (fixed terminal)
6-2 often opens fixed terminal (fixed terminal)
The normally closed fixed terminal of 6-3 (fixed terminal)
7A often opens fixed contact (fixed contact)
7B often opens fixed contact (fixed contact)
The normally closed fixed contact of 7C (fixed contact)
12 normally closed movable terminals (movable terminal)
16 solenoid installing components
16a-1 engaging protrusion (installing component side holding section)
20 movable iron
20a sheet portion relatively unshakable in one's determination
20b movable terminal swing sheet portion
20c contact chip keeper installation portion
20a-1 engages stage portion (movable iron side holding section)
27 contact chip keepers (maintaining body)
28,29 contact chips
30 short circuit portions
31 signal taking-up portions
45 contact components
P swings fulcrum
Embodiment
Describe embodiments of the present invention in detail with reference to Fig. 1～Figure 27.
Fig. 1 is the stereogram of the outward appearance of expression electromagnetic relay of the present invention (bipolar contact type), Fig. 2 is the stereogram of the decomposing state of this electromagnetic relay, Fig. 3 is a perspective housing and represent the front elevation of this electromagnetic relay, Fig. 4 is a perspective housing and represent the back view of this electromagnetic relay, Fig. 5 is the X-X profile of erasing state of the solenoid mechanism of electromagnetic relay shown in Figure 3, and Fig. 6 is the Y-Y profile of excited state of the solenoid mechanism of electromagnetic relay shown in Figure 3.
Electromagnetic relay roughly constitutes, and solenoid mechanism 40 and electric contact switching mechanism 50 is set on pedestal 1 and covers upper shell 35c.Constitute the electrical equipment main body by pedestal 1 and housing 35c.
As Fig. 2, Fig. 7 and shown in Figure 8, pedestal 1 is a plane quadrilateral, at a side of this pedestal 1 upright insulation wall 1a, the 1b of being provided with of edge part of subtend mutually.In addition, upright lateral wall 1c, the 1d that links to each other with insulation wall 1a, 1b that be provided with of edge part in the opposing party's of pedestal 1 mutual subtend, in addition, uprightly between lateral wall 1c, the 1d of pedestal 1 bottom be provided with madial wall 1e, the 1f that links to each other with insulation wall 1a, 1b, in pedestal 1, be formed with three fixed contacts side by side chamber 2a, 2b, 2c are set by lateral wall 1c, 1d and madial wall 1e, 1f.
As shown in Figures 7 and 8, in fixed contact chamber 2a, 2b are set, 2c is provided with magnet incorporating section 2a-1,2b-1,2c-1.Magnet incorporating section 2b-1 is provided with the fixing spring sheet 2b-2 of portion, takes under the state of permanent magnet 8 in the inside of magnet incorporating section 2b-1, and the fixing spring sheet 2b-2 of portion compresses and fix this permanent magnet 8.
Bottom in Fig. 2 of an insulation wall 1a is provided with the 4b of magnet insertion holes portion, and the 4b of magnet insertion holes portion is to magnet incorporating section 2b-1 opening.In addition, as shown in Figure 8, be provided with the fixed terminal that is pressed into the hole as terminal in the bottom that fixed contact is provided with chamber 2a (2b, 2c) and be pressed into hole 5a (5b, 5c).
As shown in Figure 3, fixed contact be provided with chamber 2a dispose as fixed terminal often open fixed terminal 6-1, in fixed contact chamber 2c is set and disposes and often open fixed terminal 6-2 as fixed terminal.As Fig. 2 and shown in Figure 9, often open the 6c of the portion that is pressed into that fixed terminal 6-1,6-2 have being bent into of its front side L shaped contact fixed part 6a, terminal guidance part 6b and form in the base portion both sides of this terminal guidance part 6b, often open fixed terminal 6-1 its contact fixed part 6a be fixed with as fixed contact often open fixed contact 7A, be fixed with at the contact fixed part 6a that often opens fixed terminal 6-2 and often open fixed contact 7B as fixed contact.
As shown in Figure 5, when the 6c of the portion that is pressed into that will often open fixed contact 6-1 (6-2) is pressed into fixed terminal and is pressed into hole 5a, 5b, in magnet incorporating section, lateral 2a-1,2c-1, insert tetragonal tabular permanent magnet 8, to be pressed into the 6c of portion is pressed into fixed terminal and is pressed into hole 5a, 5c, to often open fixed terminal 6-1 (6-2) by being pressed into the 6c of portion brisement riveted joint (cutting り カ シ メ) is completely fixed, as shown in Figure 5, the bottom surface by contact fixed part 6a that often opens fixed terminal 6-1 (6-2) and magnet incorporating section 2a-1 (2c-1) grips permanent magnet 8.Like this, often open fixed terminal 6-1 and be configured in fixed contact chamber 2a (2c) is set, often open fixed terminal 6-2 and be configured in fixed contact chamber 2c is set.
In addition, as shown in Figure 6, in fixed contact chamber 2b is set and disposes normally closed fixed terminal 6-3 as fixed terminal.As Fig. 2 and shown in Figure 6, as the 9c of the portion that is pressed into that the normally closed fixed terminal 6-3 of fixed terminal has being bent into of its front side L shaped contact fixed part 9a, terminal guidance part 9b and forms in the base portion both sides of this terminal guidance part 9b, fixed part 9a is fixed with normally closed fixed contact 7C in the contact.
As shown in Figure 6, normally closed fixed contact 6-3 is pressed into fixed terminal and is pressed into hole 5b and will be pressed into the 9c of portion brisement riveted joint and normally closed fixed terminal 6-3 is completely fixed by being pressed into the 9c of portion, thus, normally closed fixed contact 6-3 is configured in fixed contact chamber 2b is set.As shown in Figure 6, tetragonal tabular permanent magnet 8 is inserted the magnet incorporating section 2b-1, compress and fixed permanent magnet 8 by the fixing spring sheet 2b-2 of portion from the outside via the 4b of magnet insertion holes portion.At this moment, permanent magnet 8 be positioned at normally closed fixed contact 7C under.
As shown in Figure 8, be provided with terminal in the bottom that fixed contact is provided with chamber 2b and be pressed into hole 10, normally closed movable terminal 12 is pressed into this terminal is pressed into hole 10.Promptly, as Figure 13 and shown in Figure 14, normally closed movable terminal 12 is provided with on its terminal bodies 12A and is bent into L shaped installation portion 12a, terminal guidance part 12b and is pressed into the 12c of portion, the base end part of the reseting spring leaf 13 of double as contact chip is installed at installation portion 12a, be provided with the moving contact installing hole 13A of portion as the contact installation portion at the leading section of this reseting spring leaf 13, the 13A of portion is equipped with normally closed moving contact 12C at this moving contact installing hole.
As shown in Figure 6, be pressed into terminal and be pressed in the hole 10, in fixed contact chamber 2b is set and disposes normally closed movable terminal 12 by being pressed into the 12c of portion.And the normally closed moving contact 12C of normally closed movable terminal 12 always becomes the state of connecting with normally closed fixed contact 7C, constitutes the b contact thus.
In addition, as shown in Figure 8, be provided with coil terminals in the bottom that fixed contact is provided with chamber 2a, 2c and be pressed into hole 11a, 11c.Being pressed into coil terminals by the 15c of the portion that is pressed into coil terminals 15A shown in Figure 2 is pressed into hole 11a and coil terminals 15A is configured in fixed contact chamber 2a is set, in addition, be pressed into coil terminals by the 15c of the portion that is pressed into and be pressed into hole 11c, coil terminals 15B is configured in fixed contact chamber 2c is set coil terminals 15B.
As Fig. 5 and shown in Figure 6, be fixed with roughly anti-L shaped solenoid installing component 16 in the configuration of the top of pedestal 1.16a of horizontal plate portion and the 16b of vertical plate portion that this solenoid installing component 16 will be distinguished in the form of a substantially rectangular are integrally formed.As shown in Figure 2, be provided with engaging protrusion 16a-1 in the front part sides of horizontal plate portion 16 as installing component side holding section.
At the 16a of horizontal plate portion of solenoid installing component 16 electromagnetic component (electromagnetic block) 17 as main body formation and generation electromagnetic force with coil 17a is installed, is provided with the iron core 19 that can make movable iron 20 swings at electromagnetic component 17 by the excitation and the demagnetization of this electromagnetic component 17.The through hole 16b-1 that the one distolateral 16b of vertical plate portion that is inserted into slidably at solenoid installing component 16 of this iron core 19 forms.And the end of coil 17a is connected with coil terminals 15A, and another of coil 17a is terminal to be connected with coil terminals 15B.
As shown in Figure 2, the movable terminal swing sheet 20b of portion of the approximate horizontal shape that movable iron 20 has the 20a of sheet portion relatively unshakable in one's determination of integrally formed roughly L shapedly approximate vertical shape, linked to each other by the relative sheet 20a of portion with this iron core of bend, the 20b of portion is provided with contact chip keeper installation portion 20c at this movable terminal swing sheet.As shown in Figure 2, be formed with a pair of engaging stage portion 20a-1 in two bights, lower end of the relative sheet 20a of portion of iron core as movable iron side holding section.
As shown in Figure 5, movable iron 20 is by being fastened on its engaging stage portion 20a-1 on the engaging protrusion 16a-1 of solenoid installing component 16, the 16a of horizontal plate portion with respect to solenoid installing component 16 is provided with swingably, and movable iron 20 makes the 20a of sheet portion relatively unshakable in one's determination relative with unshakable in one's determination 19.And, constitute swing fulcrum P by engaging stage portion 20a-1 and engaging protrusion 16a-1.
In Fig. 2, the 27th, as the contact chip keeper of maintaining body.Contact chip keeper 27 keeps in touch parts 45 in its main body 27A part by inserting moulding as illustrated in fig. 10.As shown in figure 11, contact component 45 has contact chip 28,29 and short circuit portion 30.Connect the base portion of contact chip 28 at an end of short circuit portion 30, connect the base portion of contact chip 29 at the other end.The length direction of contact chip 28,29 is vertical with respect to the length direction of short circuit portion 30.Be fixed with in the front portion of contact chip 28,29 and often open moving contact 28A, 29A.In addition, in short circuit portion 30, at the two ends of its length direction, with the position of the connecting portion opposition side of contact chip 28,29, outstanding formation is useful on two signal taking-up portions 31 of the contact simultaneity of adjusting a contact.Be provided with the connecting hole 31a that distribution is used in these signal taking-up portions 31.Return Figure 10, the main body 27A of contact chip keeper 27 surrounds the base portion of the short circuit portion 30 of contact component 45 and contact chip 28,29 and forms.
As shown in figure 12, signal taking-up portion 31 is outstanding to the direction opposite with the bearing of trend of contact chip 28,29 from contact chip keeper main body 27A.When adjusting the contact simultaneity of a contact, connect electric wire in signal taking-up portion 31.This wire pair signal taking-up portion 31 applies external force.But, surround and to be held and to strengthen owing to short circuit portion 30 is touched sheet keeper main body 27A, so contact component 45 can be out of shape by this external force hardly.
In addition, as shown in Figure 5, the swing fulcrum that signal taking-up portion 31 is positioned at contact chip keeper 27 be movable iron plate 20 swing fulcrum P under.Because this position is near swing fulcrum P, so the displacement during contact component 45 swings that caused by the excitation of solenoid mechanism 40 or demagnetization is little.Therefore, even apply external force from wire connecting herein, the influence that the swing characteristic of contact component 45 is subjected to is also very little.Like this, signal taking-up portion 31 by utilizing contact chip keeper 27 contact-enhancing parts 45 and the part between the contact chip 28,29 and signal is taken out portion 31 be arranged on position near swing fulcrum P, from wire connecting when the adjustment of the contact simultaneity of a contact signal taking-up portion 31 externally applied forces are influenced the contact simultaneity of a contact hardly, adjust so can not be subjected to the influence of this external force.
In addition, as shown in figure 10, be equipped with to the outstanding movable iron junction surface 32 of the projected direction of contact chip 28,29 at contact chip keeper main body 27A, be provided with operation jut 33 outstanding in Figure 10 at this movable iron junction surface 32 downwards, constitute the contact chip keeper by this movable iron junction surface 32 and operation jut 33 and lift operating member R.
As shown in Figure 6, contact chip retainer 27 is gone up the contact chip keeper installation portion 20c that its movable iron junction surface 32 is installed in movable iron 20 and be installed on the movable iron 20.And the front portion of the operation jut 33 of contact chip keeper 27 contacts with the reseting spring leaf 13 of b contact and is used to be pressed into this reseting spring leaf 13, simultaneously, will operate the application point of the contact point of jut 33 as the power of reversing (reset force).Therefore, action of reset spring by reseting spring leaf 13, lift operating member R and contact chip keeper 27 is lifted via the operating sheet keeper, as shown in Figure 6, often open moving contact 28A, 29A with often open fixed terminal 6-1,6-2 often to open fixed contact 7A, 7B relative, constitute an a contact and another a contact.
As shown in Figure 1, housing 35c will be disposed at after the solenoid mechanism 40 of pedestal 1 and electric contact switching mechanism 50 etc. cover, and go up and will be assembled on the pedestal 1 by holding section 36 being fastened on a pair of engaging protrusion 1a-1 of portion that is located at pedestal 1.At this moment, signal taking-up portion 31 is incorporated in the inside of housing 35c and prevents dust, and can avoid the danger of leaking electricity.
As Figure 15 and shown in Figure 16, under the erasing state of electromagnetic component 17 of solenoid mechanism 40 not being switched on, with the active force of leaf spring 21 and the action of reset spring of reseting spring leaf 13, movable iron 20 is lifted operating member R via the contact chip keeper and by to the pressured and swing of the lateral direction of housing 35c (among Figure 16 left to) by the movable iron pivot suspension.Therefore, be touched the contact chip 28,29 that sheet keeper 27 keeps and be lifted,, often open moving contact 28A, 29A and leave from often open fixed contact 7A, the 7B that often open fixed terminal 6-1,6-2 in a contact.
In addition, the normally closed moving contact 12C by the action of reset spring of reseting spring leaf 13 with normally closed movable terminal 6-3 presses, and contacts with the normally closed fixed contact 7C of normally closed movable terminal 6-3 and with the conducting of b contact.
As Figure 17 and shown in Figure 180, if 17 energisings become excited state with the erasing state from solenoid mechanism 40 to electromagnetic component, then because iron core 19 attracts movable iron 20, contact chip keeper 27 is that fulcrum rotates to clockwise direction in Figure 18 with swing fulcrum P.Therefore, make via contact chip keeper 27 and often open moving contact 28A, 29A and contact and make an a contact and another a contact conducting with often open fixed contact 7A, the 7B that often open fixed terminal 6-1,6-2.
With this turn-on action side by side, the operation jut 33 of contact chip keeper 27 is pressed into the reseting spring leaf 13 of normally closed movable terminal 12 downwards in Fig. 6 and Fig. 8, the normally closed moving contact 12C that is located at reseting spring leaf 13 becomes the state that leaves from normally closed fixed contact 7C, and the b contact is disconnected.
Next, with reference to Figure 19 and Figure 20 the adjustment of the contact simultaneity of one a contact and another a contact is described.
As shown in figure 19, the contact simultaneity of an a contact and another a contact is adjusted at housing 35c is assembled in the manufacturing process before the pedestal 1 and carries out.Promptly, before housing 35c is installed to pedestal 1, the fixed terminal 6-1 that often opens of a signal taking-up portion 31, power supply 41, a lamp 42, an a contact side is connected in series, and the fixed terminal 6-2 that often opens that signal is taken out portion 31, power supply 41, another lamp 43, another a contact side is connected in series, and constitutes testing circuit 44.
As shown in figure 20, to electromagnetic component 17 excitations and make movable iron 20 and contact chip keeper 27 swing, make an a contact and another a contact turn-on action, by a lamp 42 and another lamp 43 are lighted the contact time of contact that detects an a contact, and detect the contact time of contact of another a contact, detect the synchronism of the time of contact of the time of contact of an a contact and another a contact, adjust electric contact switching mechanism 50 and also carry out the adjustment that contacts simultaneity of an a contact and another a contact, so that this synchronous deviation is at the appointed time in the scope of X.
Promptly, the adjustment of the contact simultaneity of a so-called a contact and another a contact is meant that time X is near zero, electric arc (is often opened moving contact 28A and Chang Kai fixed contact 7A) in an a contact and is produced with identical frequency with another a contact (often opening moving contact 28B and Chang Kai fixed contact 7B), and the load that can suppress often to open the consumption of moving contact 28A, 28B and normally closed fixed contact 7A, 7B opens and closes.
In addition, the adjustment of the contact simultaneity of an a contact and another a contact uses specific purpose tool that 28,29 stress applications of the contact chip with spring performance of the part that constitutes electric contact switching mechanism 50 are carried out.
In addition, signal taking-up portion 31 has two, can tackle the user for left handedness (left-handed person), dextromanual arbitrary situation, tackles above-mentioned two kinds of situations for the ease of operation, also signal can be taken out portion 31 and be provided with one.
Above-mentioned electromagnetic relay is the bipolar contact structure (1a1b structure) with a contact and b contact, if represent this bipolar contact structure by wiring diagram, then is structure shown in Figure 21.
Then, the situation that pair only has an one pole contact structure (1a structure) of a contact with reference to Figure 13, Figure 22～27 in electromagnetic relay describes.
In the electromagnetic relay of one pole contact structure (1a structure), in its contact constitutes, as illustrated in fig. 23, the normally closed fixed terminal 6-3 and the normally closed fixed contact 7C of the electromagnetic relay of above-mentioned bipolar contact structure (1a1b structure) are not set, and back-moving spring 13 only plays the effect of back-moving spring under this state.In addition, other structures are identical with the electromagnetic relay of above-mentioned bipolar contact structure (1a1b structure), so mark same reference numerals and omission explanation.In the electromagnetic relay of this one pole contact structure (1a structure), also be suitable for the adjustment of the contact simultaneity of an above-mentioned a contact and another a contact.
As Figure 24 and shown in Figure 25, under the erasing state of electromagnetic component 17 of solenoid mechanism 40 not being switched on, movable iron 20 by the movable iron pivot suspension with the application of force of leaf spring 21 and the action of reset spring of reseting spring leaf 13, by to the pressured and swing of the lateral direction of housing 35c (in Figure 25 left to).Therefore, be touched the contact chip 28,29 that sheet keeper 27 keeps and be lifted, in an a contact and another a contact, often open moving contact 28A, 29A and leave from fixed contact 7A, the 7B that often opens fixed terminal 6-1,6-2.
If 17 energisings become excited state with the erasing state from this solenoid mechanism 40 to electromagnetic component, then because 19 attraction movable iron 20 unshakable in one's determination, so as Figure 26 and shown in Figure 27, contact chip keeper 27 is that fulcrum rotates to clockwise direction in Figure 27 with swing fulcrum P.Therefore, often open moving contact 28A, 29A and contact with often open fixed contact 7A, the 7B that often open fixed terminal 6-1,6-2, with an a contact and another a contact conducting via contact chip keeper 27.
According to above-mentioned embodiments of the invention, will cover 35 be installed on the pedestal 1 before, with a signal taking-up portion 31, power supply 41, one lamp 42, the fixed terminal 6-1 that often opens of one a contact side is connected in series, and signal is taken out portion 31, power supply 41, another lamp 43, the fixed terminal 6-2 that often opens of another a contact side is connected in series, constitute testing circuit 44, electromagnetic component 17 excitations are made movable iron 20 and 27 swings of contact chip keeper, make an a contact and another a contact turn-on action, by a lamp 42 and another lamp 43 are lighted the contact time of contact that detects an a contact, and detect the contact time of contact of another a contact, detect the synchronism of the time of contact of the time of contact of an a contact and another a contact, adjust electric contact switching mechanism 50 and carry out the adjustment that contacts simultaneity of an a contact and another a contact so that this synchronous deviation at the appointed time in the scope of X.
Like this, can in manufacturing process, easily confirm the contact simultaneity of an a contact and another a contact, in addition, by configuration signal taking-up portion, can adjust the contact simultaneity of an a contact and another a contact, the fluctuation in desirable electric switch life-span in the time that commercialization can being reduced.
Claims (4)
1. electromagnetic relay, in the electrical equipment main body, be provided with movable iron, it is the center swing that this movable iron is swung fulcrum by the excitation of solenoid mechanism with it, swing by this movable iron makes the electric contact switching mechanism with movable terminal and two fixed terminals carry out on-off action, in described electrical equipment main body, be provided with resetting device, swing position when it remains on the demagnetization of described solenoid mechanism with described movable iron is characterized in that
Described two fixed terminals have respectively often opens fixed contact,
Described movable iron keeps in touch parts via maintaining body, this contact component has by short circuit portion two contact chips of short circuit mutually, be fixed with one of described movable terminal in a described contact chip supporting and often open moving contact, one often open moving contact and a described fixed contact of often opening constitutes an a contact by this, another that is fixed with described moving contact in another described contact chip supporting often opened moving contact, often open moving contact and another described fixed contact of often opening by this another and constitute another a contact, in the outstanding signal taking-up portion that contacts simultaneity that adjusts a described a contact and described another a contact that is useful on that forms of described short circuit portion.
2. electromagnetic relay as claimed in claim 1, it is characterized in that, described maintaining body is the contact chip holding member that is installed on described movable iron, and this contact chip holding member keeps the described signal taking-up portion of described contact component and the part between the described contact chip.
3. electromagnetic relay as claimed in claim 2, it is characterized in that, described movable iron by bend will with the sheet portion relatively unshakable in one's determination of the unshakable in one's determination relative configuration of described solenoid mechanism and movable terminal swing sheet portion with roughly L shaped integrally formed mutually, and movable iron side holding section is set near the described bend of the relative sheet of described iron core portion, the solenoid installing component of the described solenoid of maintenance mechanism is set in described electrical equipment main body, installing component side holding section is set on this solenoid installing component, on this installing component side holding section, engage described movable iron side holding section swingably and constitute the described swing fulcrum of described movable iron, described signal taking-up portion from described contact chip holding member towards outstanding near the direction of swing fulcrum.
4. as each described electromagnetic relay in the claim 1～3, it is characterized in that, be provided with in described signal taking-up portion and connect signal and take out connecting hole with distribution.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008066762A JP5239421B2 (en) | 2008-03-14 | 2008-03-14 | Electromagnetic relay |
| JP066762/08 | 2008-03-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101533738A true CN101533738A (en) | 2009-09-16 |
| CN101533738B CN101533738B (en) | 2012-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101184764A Active CN101533738B (en) | 2008-03-14 | 2009-03-13 | Electromagnetic relay |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5239421B2 (en) |
| CN (1) | CN101533738B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103370761A (en) * | 2011-02-02 | 2013-10-23 | 欧姆龙株式会社 | Electromagnetic relay |
| CN104508787A (en) * | 2013-07-12 | 2015-04-08 | 欧姆龙株式会社 | Contact point mechanism part, and electromagnetic relay provided with same |
| CN107210160A (en) * | 2015-02-11 | 2017-09-26 | 欧姆龙株式会社 | Relay |
| CN110718419A (en) * | 2018-07-13 | 2020-01-21 | 富士通电子零件有限公司 | Assembly member and 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377084A (en) * | 2014-11-28 | 2015-02-25 | 东莞市中汇瑞德电子有限公司 | Electromagnetic relay |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5612631Y2 (en) * | 1972-11-07 | 1981-03-24 | ||
| JPS5253941U (en) * | 1975-10-17 | 1977-04-18 | ||
| CN2133048Y (en) * | 1992-05-18 | 1993-05-12 | 上海新宇继电器厂 | Multifunction universal relay |
| US5907267A (en) * | 1997-05-06 | 1999-05-25 | Eaton Corporation | Photoelectric auxiliary switch for electromagnetic contactor |
| CN2437038Y (en) * | 2000-06-23 | 2001-06-27 | 天津市电力公司西青供电分公司 | Electromagnetic relay |
| CA2484172C (en) * | 2003-02-28 | 2008-09-16 | Matsushita Electric Works, Ltd. | Contact device |
| JP3935895B2 (en) * | 2004-05-28 | 2007-06-27 | Ｎｅｃトーキン株式会社 | Electromagnetic relay |
| JP4826299B2 (en) * | 2006-03-14 | 2011-11-30 | オムロン株式会社 | Electromagnetic relay |
| JP2007250237A (en) * | 2006-03-14 | 2007-09-27 | Omron Corp | Electromagnetic relay with operation indicating function |
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2008
- 2008-03-14 JP JP2008066762A patent/JP5239421B2/en active Active
-
2009
- 2009-03-13 CN CN2009101184764A patent/CN101533738B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103370761A (en) * | 2011-02-02 | 2013-10-23 | 欧姆龙株式会社 | Electromagnetic relay |
| CN103370761B (en) * | 2011-02-02 | 2015-10-14 | 欧姆龙株式会社 | Electromagnetic relay |
| CN104508787A (en) * | 2013-07-12 | 2015-04-08 | 欧姆龙株式会社 | Contact point mechanism part, and electromagnetic relay provided with same |
| CN107210160A (en) * | 2015-02-11 | 2017-09-26 | 欧姆龙株式会社 | Relay |
| CN107210160B (en) * | 2015-02-11 | 2019-02-15 | 欧姆龙株式会社 | Relay |
| CN111527579A (en) * | 2017-12-28 | 2020-08-11 | 松下知识产权经营株式会社 | Electromagnetic relay |
| CN110718419A (en) * | 2018-07-13 | 2020-01-21 | 富士通电子零件有限公司 | Assembly member and electromagnetic relay |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009224154A (en) | 2009-10-01 |
| CN101533738B (en) | 2012-01-25 |
| JP5239421B2 (en) | 2013-07-17 |
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