CN106910661B - A kind of relay with bilateral holding function - Google Patents
A kind of relay with bilateral holding function Download PDFInfo
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- CN106910661B CN106910661B CN201710191700.7A CN201710191700A CN106910661B CN 106910661 B CN106910661 B CN 106910661B CN 201710191700 A CN201710191700 A CN 201710191700A CN 106910661 B CN106910661 B CN 106910661B
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- yoke
- armature
- tail portion
- movable contact
- relay
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/24—Parts rotatable or rockable outside coil
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
-
- 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
- H01H51/00—Electromagnetic relays
- H01H51/27—Relays with armature having two stable magnetic states and operated by change from one state to the other
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a kind of relays with bilateral holding function, including coil, yoke, armature, iron core, dynamic spring component, magnet steel, magnetic conductive part and quiet spring component；Armature is L-type shape, the head of armature and the head corresponding matching of iron core, the tail portion of armature and yoke corresponding matching, when coil applies set voltage, the head of armature can be drawn to the head of iron core and the normally open end of movable contact and quiet spring component is driven to be closed, when coil applies involution voltage, the tail portion of armature can be drawn to yoke and movable contact and the normally open end of quiet spring component is driven to separate；One end of magnetic conductive part is connected with yoke, and the other end of magnetic conductive part is connected by magnet steel with yoke, so that relay has double holding magnetic circuits.The present invention is improved by structure, making the normally opened terminal contacts of relay, normally closed terminal contacts is all to be realized to connect by the suction that electromagnetic system provides, so as to be obviously improved its normal-closed end performance, and normally opened and normally-closed contact disjunction power can be increased, contact is made to be not easy to be bonded.
Description
Technical field
The present invention relates to relay technical fields, more particularly to a kind of relay with bilateral holding function.
Background technique
Relay is a kind of automatic switch element with isolation features, is widely used in household electrical appliances, remote control, telemetering, leads to
News automatically control, in electromechanical integration and power electronic equipment, are one of most important control elements, rise in control circuit
The effects of automatic adjustment, safeguard protection, conversion circuit.
Fig. 1 is a kind of conventional relay construction of the prior art, which includes coil 100, yoke 101, armature
102, pressure spring 103, push card 104, iron core 105, dynamic spring component 106 and quiet spring component, wherein quiet spring component can wrap containing often
Quiet spring 107 and normally opened quiet spring 108 (as shown in Figure 1) are closed, only normally opened quiet spring is also possible to.The relay of this structure, armature
102 be L-type shape, and the bending place of armature 102 cooperates the knife-edge part in yoke 101, the head of armature 102 by pressure spring 103
1021 match with the head (being equipped with pole shoe) of iron core 105, and the tail portion 1022 of armature 102 is matched with one end of push card 104,
The other end of push card 104 is matched with dynamic spring component 106.When applying driving voltage to coil 100, the head of armature 102
1021 are closed with head (i.e. pole shoe) end face of iron core, and the tail portion 1022 of armature 102 drives push card 104 by dynamic spring component 106
Movable contact spring ejected toward normally opened quiet 108 direction of spring, so that the normally opened stationary contact of movable contact and normally opened quiet spring 108 be made to be closed.Work as line
When enclosing the removal of 100 voltages, the movable contact of dynamic spring component 106 and the normally opened stationary contact of normally opened quiet spring 108 are by dynamic spring component 106
The mechanical counter-force of recovery of movable contact spring realize the disjunction with normally opened stationary contact, finally under the action of movable contact spring restores mechanical counter-force
Movable contact moves to the normally closed stationary contact end of normally closed quiet spring 107, realizes and is closed with normally closed stationary contact；Due to its movable contact with it is normally opened
What the disjunction of stationary contact relied on is the mechanical counter-force of movable contact spring, and pressure when movable contact and normally closed stationary contact are closed is also by moving spring
The mechanical counter-force of piece provides, and the mechanical counter-force of movable contact spring cannot be arranged very big that (movable contact spring machinery counter-force is often much smaller than magnetic
Road suction, not so the suction of magnetic circuit can not overcome the mechanical counter-force of movable contact spring, and the normally opened contact end of relay, which just cannot achieve, to be closed
Close), therefore conventional relays are much smaller than normally open end there are the contact closure pressure of normal-closed end and (cause normally closed terminal contacts electric life
Normally opened terminal contacts electric life performance can be far weaker than), and the normally opened hypodynamic drawback of terminal contacts disjunction.
Summary of the invention
It is an object of the invention to overcome the deficiency of the prior art, provides a kind of relay with bilateral holding function,
By the improvement of structure, making the normally opened terminal contacts of relay, normally closed terminal contacts is all to be used as to move by the suction that electromagnetic system provides
Power is realized connection and disjunction under the cooperation of armature and dynamic spring, so as to be obviously improved its normal-closed end performance, and can be added
The big normally opened disjunction power with normally-closed contact, makes contact be not easy to be bonded.
The technical solution adopted by the present invention to solve the technical problems is: a kind of relay with bilateral holding function,
Including coil, yoke, armature, iron core, dynamic spring component, magnet steel, magnetic conductive part and quiet spring component；The iron core is inserted into coil,
The yoke cooperates the side in coil and is connected with the tail portion of iron core；The armature is L-type shape, the head of armature and iron
The head of core is in the position of corresponding matching, and the tail portion of armature and yoke are also at the position of corresponding matching, to apply in coil
When set voltage, the head of armature can be drawn to the head of iron core and the normally open end of movable contact and quiet spring component is driven to be closed, line
When circle applies involution voltage, the tail portion of armature can be drawn to yoke and movable contact and the normally open end of quiet spring component is driven to separate；Institute
The one end for stating magnetic conductive part is connected with yoke, and the other end of magnetic conductive part is connected by magnet steel with yoke, so that relay has
Double holding magnetic circuits；It is additionally provided on yoke between the yoke and two joints of magnet steel, yoke and magnetic conductive part for increasing
The magnet isolation tank of magnetic loop magnetic resistance, with the size using magnet isolation tank come the movement of regulating relay, involution voltage parameter it is mutual
Balance.
The yoke is L-type shape, by being parallel to the first yoke of iron core and constituting perpendicular to the second yoke of iron core；Institute
The second yoke is stated to be connected with the tail portion of the iron core；The end of first yoke is set as the edge of a knife, the bending place adaptation of armature
The position of corresponding matching is in the lateral surface of the knife-edge part of yoke, the first yoke of the medial surface and yoke of the tail portion of the armature
It sets.
One end of the magnetic conductive part is connected with the medial surface of the first yoke, and the other end of magnetic conductive part passes through magnet steel and first
The medial surface of yoke is connected, and the magnet isolation tank is located at two joints of the first yoke and magnet steel, the first yoke and magnetic conductive part
Between the first yoke on.
The movable contact spring of dynamic spring component cooperates the lateral surface in the tail portion of armature, and is equipped between movable contact spring and the tail portion of armature
Hook, with when the head of armature is drawn to iron core, the tail portion of armature push the movable contact spring make the movable contact of spring component with it is quiet
The normally open end of spring component is closed, and when the tail portion of armature is drawn to yoke, the tail portion of armature pulls the movable contact spring to make by hook
The movable contact of spring component is separated with the normally open end of quiet spring component or and is closed with the normal-closed end of quiet spring component.
The hook is located on the movable contact spring, and the tail portion of the armature is equipped with a through-hole, the hook of the movable contact spring from
The lateral surface of the tail portion of armature protrudes into the through-hole of the tail portion of armature, with when the tail portion of armature is drawn to the first yoke, the hook
The medial surface of the tail portion of armature can be hooked.
The hook is to constitute after being formed by tongue piece bending after opening up U-lag on movable contact spring.
On the movable contact spring, it is additionally provided with elastic pressuring plate in the bending place close to armature, the elastic pressuring plate will as pressure spring
The bending of armature is pressed in the knife-edge part of yoke.
It further, further include pedestal, the coil, yoke and quiet spring component are attached separately on pedestal, the root of movable contact spring
Portion is fixed on the base；In the pedestal, in the end of tail portion and the matching for the lateral surface of first yoke for corresponding to armature
The coincidence place of setting is additionally provided with the air gap, and when the tail portion of armature is drawn to the first yoke, the medial surface of the tail portion of armature is not complete
It fits on the lateral surface of the first yoke.
One is equipped at the air gap between the end of the tail portion of the armature and the lateral surface of first yoke every magnetic
Wall, when the tail portion of armature is drawn to the first yoke, every magnetic wall gear the tail portion of armature end and the first yoke lateral surface it
Between, prevent the medial surface of the tail portion of armature from being fitted on the lateral surface of the first yoke completely.
The end of the tail portion of the armature is that inclined-plane cooperates with the touching position every magnetic wall.
In the pedestal, it is additionally provided with barricade between the medial surface and coil for corresponding to the first yoke, to realize relay
Being isolated between middle forceful electric power and light current.
Compared with prior art, the beneficial effects of the present invention are:
Relay normally open contact end and normally-closed contact end of the invention is all to realize closure via the effect of magnetic circuit suction,
To which compared to conventional relays, relay of the invention improves the contact disjunction power of normally open end and the contact closure of normal-closed end
Pressure, so that the contact electric life performance of relay normally open end and normal-closed end be made all to be able to significant increase；Simultaneously as of the invention
Relay be that the contact breaking function for realizing normally open end is acted on by electromagnetic attraction, rather than adopting of being relied on of conventional relays
Counter-force is restored with dynamic spring and realizes normally opened terminal contacts disjunction, and therefore, no setting is required specific restores for relay of the invention its dynamic spring
Counter-force value restores the unstable required correction adjusting process carried out of counter-force, drop due to moving spring so as to avoid conventional relays
Low production difficulty.
Invention is further described in detail with reference to the accompanying drawings and embodiments；But one kind of the invention has bilateral guarantor
The relay for holding function is not limited to the embodiment.
Detailed description of the invention
Fig. 1 is the magnetic circuit part of the conventional relays of the prior art and the organigram of contact portion；
Fig. 2 is embodiment magnetic circuit part of the invention and contact portion matches the signal of the construction (when relay set)
Figure；
Fig. 3 is embodiment magnetic circuit part of the invention and contact portion matches the signal of the construction (when relay involution)
Figure；
Fig. 4 is the organigram that embodiment magnetic circuit part of the invention and pedestal match；
Fig. 5 is the main view that embodiment magnetic circuit part of the invention and pedestal match；
Fig. 6 is the organigram of embodiment pedestal of the invention；
Fig. 7 is the organigram of embodiment pedestal of the invention (one angle of rotation)；
Fig. 8 is the organigram of embodiment yoke of the invention；
Fig. 9 is the organigram of embodiment magnetic conductive part of the invention；
Figure 10 is the organigram of embodiment magnet steel of the invention；
Figure 11 is the organigram of embodiment armature of the invention；
Figure 12 is the organigram of embodiment movable contact spring of the invention；
Figure 13 is the organigram that embodiment movable contact spring of the invention is matched with armature；
Figure 14 is the main view that embodiment movable contact spring of the invention is matched with armature.
Specific embodiment
Embodiment
Referring to fig. 2 to shown in Figure 14, a kind of relay with bilateral holding function of the invention, including coil 1, yoke
2, armature 3, iron core 4, magnet steel 81, magnetic conductive part 82, dynamic spring component and quiet spring component；Wherein, moving spring component includes 51 He of movable contact spring
Movable contact 52, quiet spring component include normally opened quiet spring end 61 and normally closed quiet spring end 62, it is of course also possible to be only normally opened quiet spring end
61；The iron core 4 is inserted into coil 1, and the yoke 2 cooperates the side in coil 1 and is connected with the tail portion of iron core 4；Institute
Stating armature 3 is L-type shape, and the head 31 of armature and the tail portion 32 of armature, the head 31 of armature and iron core 4 are divided by bending place 30
Head (one end equipped with pole shoe) be in the position of corresponding matching, the tail portion 32 of armature and yoke 2 are also at corresponding matching
Position, with when coil 1 applies set voltage, the head 31 of armature can be drawn to the head of iron core 4, coil applies involution voltage
When, the tail portion 32 of armature can be drawn to yoke 2；The movable contact spring 51 of dynamic spring component cooperates the lateral surface in the tail portion of armature 32, and
It is equipped with hook 7 between movable contact spring 51 and the tail portion 32 of armature, when head to be drawn to iron core on the head of armature 31, the tail of armature
Portion 32 (armature is in seesaw) pushes the movable contact spring 51 to close the movable contact 52 of spring component and the normally open end 61 of quiet spring component
It closes, when the tail portion 32 of armature is drawn to yoke 2, the tail portion 32 of armature pulls the movable contact spring 51 to make spring component by hook 7
Movable contact 52 is separated with the normally open end 61 of quiet spring component, and is closed with the normal-closed end 62 of quiet spring component.
When applying set driving voltage to coil 1, the head 31 of armature and iron core 4 are closed, and the tail portion 32 of armature pushes
The movable contact spring 51 of dynamic spring component, so that the normally open end 61 (i.e. normally opened stationary contact) of movable contact 52 and quiet spring component be made to be closed；When right
When coil 1 applies involution driving voltage, the tail portion 32 of armature is moved toward yoke face under the action of electromagnetic attraction, while by dynamic
The effect of hook 7 between reed 51 and the tail portion 32 of armature separates movable contact 52 and the normally open end 61 of quiet spring component, finally
When the tail portion of armature 32 fits in yoke face, movable contact 52 and normal-closed end 62 (the i.e. normally closed stationary contact) realization of quiet spring component are closed
It closes.
In the present embodiment, yoke 2 is L-type shape, by being parallel to the first yoke 21 of iron core and perpendicular to the second of iron core
Yoke 22 is constituted；Second yoke 22 is connected with the tail portion of the iron core 4；The end 211 of first yoke 21 is set as
The bending place 30 of the edge of a knife, armature fits at the edge of a knife 211 of yoke, and the first of the medial surface of the tail portion 32 of the armature and yoke
The lateral surface of yoke 21 is in the position of corresponding matching.
In the present embodiment, one end of the magnetic conductive part 82 is connected with the medial surface of the first yoke 21, magnetic conductive part 82 it is another
One end is connected by magnet steel 81 with the medial surface of the first yoke 21, so that relay has double holding magnetic circuits.
As shown in Figure 2 and Figure 3, when armature 3 is in set position, the head 31 of armature is drawn to the head of iron core 4, in set
Position, the permanent magnet flux S1 that magnet steel generates via magnet steel 81 (assuming that the pole N of magnet steel 81, upper, the pole S is under), the first yoke 21,
The head 31 of armature, iron core 4, the second yoke 22, the first yoke 21, magnetic conductive part 82 form closed magnetic loop, to make armature
Head 31 keeps being bonded with the head of iron core 4, stablizes relay in SM set mode.When armature is in involution position, armature
Tail portion 32 is drawn to the first yoke 21, and in involution position, the permanent magnet flux S2 that magnet steel generates is via magnet steel 81, the first yoke 21, rank
The tail portion 32 of iron, the first yoke 21, magnetic conductive part 82 form closed magnetic loop, so that the tail portion 32 of armature and the first yoke 21 be made to protect
Fitting is held, stablizes relay in involution state.
In the present embodiment, between the first yoke 21 and two joints of magnet steel 81, the first yoke 21 and magnetic conductive part 82
The first yoke 21 on be additionally provided with magnet isolation tank 212 for increasing magnetic loop magnetic resistance, adjusted with the size using magnet isolation tank 212
Save the movement of relay, the mutual balance of involution voltage parameter.
A kind of relay with bilateral holding function of the invention, further includes pedestal 9, the coil 1, yoke 2 and quiet
Spring component (normally opened quiet spring end 61 and normally closed quiet spring end 62) is attached separately on pedestal 9, and the root of movable contact spring 51 is also secured at pedestal 9
On；In the pedestal 9, at the cooperation position of the lateral surface for the end and first yoke 21 for corresponding to the tail portion 32 of armature
One is additionally provided with every magnetic wall 91, when the tail portion of armature 32 is drawn to the first yoke 21, is kept off every magnetic wall 91 at the end of the tail portion of armature 32
Between end and the lateral surface of the first yoke 21, prevent the medial surface of the tail portion 32 of armature from fitting in the outer of the first yoke 21 completely
On side.
When in order to make to apply set pulse voltage, the tail portion 32 of armature can under defined voltage with the first yoke 21
Lateral surface separation, is provided between the tail portion of armature 32 and the lateral surface of the first yoke 21 every magnetic wall 91.Not every Ci Qiang
When 91, the tail portion 32 of armature substantially can be integrally bonded with the lateral surface of the first yoke 21, what permanent magnet (i.e. magnet steel 81) generated
Magnetic flux is very big to the magnetic attraction of the tail portion 32 of armature, applies set voltage to coil 1 at this time, and coil 1 is produced in assigned voltage
Raw suction is not enough to overcome by permanent magnet the generated suction between the tail portion of armature 32 and the lateral surface of the first yoke 21,
Therefore magnetic circuit just can not be converted to SM set mode from involution state.It is provided on pedestal 9 after magnetic wall 91, by every magnetic wall 91
Effect, prevent be in involution position when armature tail portion 32 from being fitted on the lateral surface of the first yoke 21 completely, thus
There are certain the air gaps 83 between the tail portion of armature and the lateral surface of the first yoke 21, therefore, in involution position, such as Fig. 5
Shown, the permanent magnet flux S2 that magnet steel 81 generates is via magnet steel 81, the first yoke 21, the tail portion 32 of armature, the air gap 83, the
One yoke 21, magnetic conductive part 82 form closed magnetic loop, by adjusting the size of the air gap 83, the magnetic that permanent magnet can be generated
The magnetic attraction of the logical tail portion 32 to armature controls in reasonable range；At this point, applying set voltage, magnetic circuit energy to coil 1
It is transformed into SM set mode from involution state, so that it is guaranteed that magnetic circuit can act on SM set mode and involution state by coil 1
Between freely convert.
In the present embodiment, the end of the tail portion 32 of armature is that inclined-plane cooperates with the touching position every magnetic wall 91.
In the present embodiment, hook 7 is located on the movable contact spring 51, and the tail portion 32 of the armature is equipped with a through-hole 321, described
The hook 7 of movable contact spring is protruded into from the lateral surface of the tail portion of armature 32 in the through-hole 321 of the tail portion of armature, in the tail portion of armature 32
When being drawn to the first yoke 21, which can hook the medial surface of the tail portion 32 of armature.
In the present embodiment, hook 7 is to be formed by after tongue piece 511 is bent to constitute after opening up U-lag on movable contact spring 51.
In the present embodiment, on movable contact spring 51, elastic pressuring plate 512, the elasticity are additionally provided in the bending place 30 close to armature
The bending place 30 of armature is pressed at the edge of a knife 211 of yoke by tabletting 512 as pressure spring.
In the present embodiment, in pedestal 9, it is additionally provided with barricade 92 between the medial surface and coil 1 for corresponding to the first yoke 21,
To realize being isolated between forceful electric power and light current in relay.
A kind of relay with bilateral holding function of the invention, relay normally open contact end 61 and normally-closed contact end 62
It is all to realize closure via the effect of magnetic circuit suction, so that relay of the invention improves often compared to conventional relays
The contact disjunction power at beginning and the contact closure pressure of normal-closed end, to make relay normally open end 61 and the contact of normal-closed end 62 electricity
Life performance is all able to significant increase；Simultaneously as relay of the invention is to act on realizing normally open end by electromagnetic attraction
Contact breaking function, rather than the normally opened terminal contacts disjunction of spring recovery counter-force realization is moved in the use that conventional relays are relied on, therefore,
Relay of the invention its dynamic spring no setting is required it is specific restore counter-force value, so as to avoid conventional relays since dynamic spring restores
The correction carried out required for counter-force is unstable adjusts process, reduces production difficulty.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although of the invention
It has been disclosed in a preferred embodiment above, however, it is not intended to limit the invention.Anyone skilled in the art is not taking off
In the case where from technical solution of the present invention range, all technical solution of the present invention is made perhaps using the technology contents of the disclosure above
Mostly possible changes and modifications, or it is revised as equivalents equivalent embodiment.Therefore, all without departing from technical solution of the present invention
Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention
In the range of technical solution of the present invention protection.
Claims (11)
1. a kind of relay with bilateral holding function, including coil, yoke, armature, iron core, dynamic spring component, magnet steel, magnetic conduction
Part and quiet spring component；The iron core is inserted into coil, and the yoke cooperates the side in coil and is connected with the tail portion of iron core
It connects；It is characterized by: the armature is L-type shape, the head of armature and the head of iron core are in the position of corresponding matching, armature
Tail portion and yoke be also at the position of corresponding matching, with when coil applies set voltage, the head of armature can be drawn to iron
The head of core simultaneously drives the normally open end of movable contact and quiet spring component to be closed, and when coil applies involution voltage, the tail portion of armature can
It is drawn to yoke and movable contact and the normally open end of quiet spring component is driven to separate；One end of the magnetic conductive part is connected with yoke, magnetic conduction
The other end of part is connected by magnet steel with yoke, so that relay has double holding magnetic circuits；The yoke and magnet steel, yoke with
The magnet isolation tank for increasing magnetic loop magnetic resistance is additionally provided on yoke between two joints of magnetic conductive part, to utilize magnet isolation tank
Size carry out the mutual balance of the movement of regulating relay, involution voltage parameter.
2. the relay according to claim 1 with bilateral holding function, it is characterised in that: the yoke is L-type shape
Shape, by being parallel to the first yoke of iron core and being constituted perpendicular to the second yoke of iron core；Second yoke and the iron core
Tail portion is connected；The end of first yoke is set as the edge of a knife, and the bending place of armature fits in the knife-edge part of yoke, the armature
The medial surface of tail portion and the lateral surface of the first yoke of yoke be in the position of corresponding matching.
3. the relay according to claim 2 with bilateral holding function, it is characterised in that: one end of the magnetic conductive part
It is connected with the medial surface of the first yoke, the other end of magnetic conductive part is connected by magnet steel with the medial surface of the first yoke, described
Magnet isolation tank is located on the first yoke between the first yoke and two joints of magnet steel, the first yoke and magnetic conductive part.
4. the relay according to claim 1 with bilateral holding function, it is characterised in that: the movable contact spring of dynamic spring component
Cooperate the lateral surface in the tail portion of armature, and be equipped with hook between movable contact spring and the tail portion of armature, is drawn to the head in armature
When iron core, the tail portion of armature pushes the movable contact spring to be closed the movable contact of spring component and the normally open end of quiet spring component, armature
Tail portion when being drawn to yoke, the tail portion of armature pulls the movable contact spring to make the movable contact and quiet spring component of spring component by hook
Normally open end separation or and be closed with the normal-closed end of quiet spring component.
5. the relay according to claim 4 with bilateral holding function, it is characterised in that: the hook is located at described
On movable contact spring, the tail portion of the armature is equipped with a through-hole, and the hook of the movable contact spring protrudes into rank from the lateral surface of the tail portion of armature
In the through-hole of the tail portion of iron, with when the tail portion of armature is drawn to the first yoke, which can hook the inside of the tail portion of armature
Face.
6. the relay according to claim 5 with bilateral holding function, it is characterised in that: the hook is movable contact spring
On open up tongue piece bending is formed by after U-lag after constitute.
7. the relay according to claim 6 with bilateral holding function, it is characterised in that: on the movable contact spring,
Bending place close to armature is additionally provided with elastic pressuring plate, and the bending of armature is pressed in the edge of a knife of yoke as pressure spring by the elastic pressuring plate
Place.
8. the relay according to claim 2 with bilateral holding function, it is characterised in that: it is further, further include
Pedestal, the coil, yoke and quiet spring component are attached separately on pedestal, and the root of movable contact spring is fixed on the base；The pedestal
In, it is additionally provided with the air gap at the cooperation position of the lateral surface for the end and first yoke for corresponding to the tail portion of armature,
When the tail portion of armature is drawn to the first yoke, the medial surface of the tail portion of armature does not fit in the lateral surface of the first yoke completely
On.
9. the relay according to claim 8 with bilateral holding function, it is characterised in that: the tail portion of the armature
It is equipped with one at the air gap between end and the lateral surface of first yoke every Ci Qiang, is drawn to the first yoke in the tail portion of armature
When iron, every magnetic wall gear between the end of the tail portion of armature and the lateral surface of the first yoke, make the medial surface of the tail portion of armature not
It can fit in completely on the lateral surface of the first yoke.
10. the relay according to claim 9 with bilateral holding function, it is characterised in that: the tail portion of the armature
End with every magnetic wall touching position be inclined-plane cooperate.
11. the relay according to claim 8 with bilateral holding function, it is characterised in that: in the pedestal, right
It should be additionally provided with barricade between the medial surface and coil of the first yoke, to realize being isolated between forceful electric power and light current in relay.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710191700.7A CN106910661B (en) | 2017-03-28 | 2017-03-28 | A kind of relay with bilateral holding function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710191700.7A CN106910661B (en) | 2017-03-28 | 2017-03-28 | A kind of relay with bilateral holding function |
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| CN106910661A CN106910661A (en) | 2017-06-30 |
| CN106910661B true CN106910661B (en) | 2019-05-28 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7068929B2 (en) * | 2018-05-31 | 2022-05-17 | 富士通コンポーネント株式会社 | Electromagnetic relay |
| CN108766838A (en) * | 2018-07-25 | 2018-11-06 | 浙江源控节能科技集团有限公司 | Self-latching relay |
| CN110942955B (en) * | 2018-09-21 | 2022-02-18 | 贵州振华群英电器有限公司（国营第八九一厂） | Can increase initial suction balance force formula relay magnetic circuit structure |
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| JP2002237244A (en) * | 2001-02-08 | 2002-08-23 | Taiko Device:Kk | Electromagnetic relay |
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| CN204270989U (en) * | 2014-11-28 | 2015-04-15 | 东莞市中汇瑞德电子有限公司 | Relay iron structure |
| CN206864403U (en) * | 2017-03-28 | 2018-01-09 | 厦门宏发电声股份有限公司 | Relay with bilateral holding function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426690B (en) * | 2013-08-14 | 2016-02-03 | 厦门宏发电声股份有限公司 | A kind of magnetic latching relay of parallel connection type magnetic circuit |
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| JP2002237244A (en) * | 2001-02-08 | 2002-08-23 | Taiko Device:Kk | Electromagnetic relay |
| CN202196710U (en) * | 2011-08-12 | 2012-04-18 | 深圳高登电器有限公司 | Relay |
| CN102881520A (en) * | 2012-09-21 | 2013-01-16 | 郏威栋 | Magnetic latching bistable state mechanism for clapper type relay |
| CN204270989U (en) * | 2014-11-28 | 2015-04-15 | 东莞市中汇瑞德电子有限公司 | Relay iron structure |
| CN206864403U (en) * | 2017-03-28 | 2018-01-09 | 厦门宏发电声股份有限公司 | Relay with bilateral holding function |
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| CN106910661A (en) | 2017-06-30 |
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