CN106252162A - A kind of arc extinguishing magnetic circuit and DC relay thereof - Google Patents
A kind of arc extinguishing magnetic circuit and DC relay thereof Download PDFInfo
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- CN106252162A CN106252162A CN201610619812.3A CN201610619812A CN106252162A CN 106252162 A CN106252162 A CN 106252162A CN 201610619812 A CN201610619812 A CN 201610619812A CN 106252162 A CN106252162 A CN 106252162A
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- magnet steel
- limit
- arc extinguishing
- arc
- magnetic circuit
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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
- H01H50/38—Part of main magnetic circuit shaped to suppress arcing between the contacts of the relay
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- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses a kind of arc extinguishing magnetic circuit and DC relay thereof, this arc extinguishing magnetic circuit includes that two by movable contact spring electrical connection and can realize contact or the contact separated and two arc blow-out assemblies；Described arc blow-out assembly is pressed from both sides by a magnet steel and a L-type yoke and constitutes, and the one side with polarity of described magnet steel is attached to the inner side wherein of L-type yoke folder to be made L-type yoke be clipped between inner side and the inner side of another side on one side to form the magnetic line of force to be scattered in the magnetic field in sector direction；Described two arc blow-out assemblies are corresponding respectively to be contained in around two contacts, and enable the magnetic line of force in magnetic field in the fan-shaped direction of each arc blow-out assembly through the center of corresponding contact, thus at corresponding contact, form line between a direction and two contacts there is the magnetic blow-out power of an angle.The present invention has simple in construction, the feature that low cost, arc blow-out are effective, it can also enough realize the nonpolarity connection of circuit.
Description
Technical field
The present invention relates to a kind of DC relay, particularly relate to a kind of arc extinguishing magnetic circuit and DC relay thereof.
Background technology
Relay is a kind of electronic control device, and it has control system (also known as input circuit) and by control system (again
Claim output loop), it is commonly used in automatic control circuit, it actually goes to control the one of larger current with less electric current
Plant " switch automatically ".Therefore play in circuit be automatically adjusted, safeguard protection, the effect such as change-over circuit.DC relay is relay
One in device, existing DC relay uses movable contact spring Direct Action Type (also referred to as solenoid Direct Action Type) technical scheme mostly.
For making small product size little, the load of utilization is high, and contactor gap is typically made less, so by existing DC relay
The rear strength using the external world makes the arc length between contact break, thus reaches the ability of arc extinguishing.Such as: Panasonic, the safe manufacturer such as section, LS
All use magnet steel arc extinguishing (nearly all HVDC product is all).The arc extinguishing magnetic circuit of prior art, uses four magnet steel mostly
Arc extinguishing scheme, there is cost high, space application is limited to, the drawback of magnet steel collocation complexity, and, these arc extinguishing schemes are equal
There is current polarity requirement, when current polarity connects inverse time, and life capacity declines suddenly, even can explode.Fig. 1 is the one of prior art
Plant the arc extinguishing magnetic circuit (connection of electric current forward) of DC relay, as it is shown in figure 1, this arc extinguishing magnetic circuit includes contact part, contact part
Point include two be respectively intended to provide electric current to flow into, the static contact 101 that flows out and a movable contact spring (not shown), wherein,
One, left side static contact 101 flows into for electric current, and one, the right static contact 101 flows out for electric current, and the two ends of movable contact spring are respectively with two
Individual static contact 101 matches and forms two contacts；It is respectively provided with corresponding to each contact in the outside on the both sides of the width of movable contact spring
One magnet steel 102, totally four magnet steel, two magnet steel 102 corresponding to same contact are connected by a U-shaped yoke folder 103, and two
Relatively, the N pole of a magnet steel 102 is towards direction, contact i.e. above for the polarity opposite sex of block magnet steel 102, below the S of a magnet steel 102
Pole towards direction, contact, root Ju left hand rule, upper lower magnetic steel 102 the Hui Liang contact, magnetic field formed (i.e. two stationary contacts
Head and the contact position of movable contact spring) form outside power F (such as arrow indication in Fig. 1) respectively so that and electric arc is towards pointed by power F
Direction blow, namely blow towards the direction that two contacts are opposing；When the electric current of two static contacts 101 connects inverse time, as in figure 2 it is shown, Fig. 2
For the arc extinguishing magnetic circuit (electric current Opposite direction connection) of a kind of DC relay of prior art, same root Ju left hand rule, by upper and lower magnetic
Inward force F (such as arrow indication in Fig. 2) is formed respectively, due to reversely at the Hui Liang contact, magnetic field that steel 102 is formed
During electric life, arc is to blow to centre so that the probability that two arcs are collided substantially increases, and there are movable contact spring, catch bar, bullet in centre
Spring etc. assembly, arc temperature easily makes the middle part fusings such as movable contact spring, and owing to the spacing between two contacts is also by centre
Movable contact spring connects, and reverse electric life is also easy to be connected by arc the contact of the right and left is punctured, and then makes the electricity longevity
Life lost efficacy, and even exploded.
Summary of the invention
It is an object of the invention to overcome the deficiency of prior art, it is provided that a kind of arc extinguishing magnetic circuit and DC relay thereof, tool
There are simple in construction, the feature that low cost, arc blow-out are effective, it can also enough realize the nonpolarity connection of circuit.
The technical solution adopted for the present invention to solve the technical problems is: a kind of arc extinguishing magnetic circuit, passes through movable contact spring including two
Electrical connection also can realize contact or the contact separated and two arc blow-out assemblies；Described arc blow-out assembly is pressed from both sides by a magnet steel and a L-type yoke
Constitute；Described two arc blow-out assemblies are corresponding respectively to be contained in around two contacts.
The inner side on wherein one side that the one side with polarity of described magnet steel is attached to L-type yoke folder makes L-type yoke be clipped in one
Form the magnetic line of force between inner side and the inner side of another side on limit and be scattered in the magnetic field in fan-shaped direction；Described two arc blow-out assemblies respectively with
Matching in corresponding contact, enables the magnetic line of force in magnetic field in the fan-shaped direction of each arc blow-out assembly in corresponding contact
The heart, thus at corresponding contact, form line between a direction and two contacts there is the magnetic blow-out power of an angle.
The direction of the magnetic blow-out power that described two arc blow-out assemblies are formed is identical.
It is tactile with two that described L-type yoke fixture has the first limit and the second limit, the first limit of two L-type yoke folders to be separately positioned on
Between point, line is perpendicular and is at the position in the outside at the two ends of line between two contacts, the second of two L-type yoke folders
While be separately positioned on the outside on the both sides of line between two contacts, and in being dislocatedly distributed, with relative with corresponding contact.
Described two magnet steel are attached to the by subterminal position and right with each institute of the first limit of two L-type yoke folders respectively
Answer contact relative.
The centrage of described two magnet steel is respectively provided at for the second limit of respective L-type yoke folder as touching more than two
The position of line between point, the centrage making two magnet steel is the most concordant.
The polarity of the relative one side of described two magnet steel is set to same polarity.
Described two magnet steel are attached to the by subterminal position and right with each institute of the second limit of two L-type yoke folders respectively
Answer contact relative.
The centrage of described two magnet steel is respectively provided at for the first limit of respective L-type yoke folder as exceeding each
The position of corresponding contact.
The polarity of the one side being respectively facing the most corresponding contact of described two magnet steel is set to same polarity.
In described two magnet steel, wherein a magnet steel is attached to the first limit or the close end on the second limit of a wherein L-type yoke folder
Position, another magnet steel be attached to another L-type yoke folder the second limit or the first limit by subterminal position, and respectively with
The most corresponding contact is relative.
The centrage of a described wherein magnet steel is respectively provided at and comes relative to the second limit or first limit of a wherein L-type yoke folder
Saying the position being to exceed corresponding contact, the centrage of another magnet steel described is respectively provided at relative to another L-type yoke folder
It it is the position exceeding corresponding contact for first limit or the second limit.
The polarity of the one side being respectively facing the most corresponding contact of described two magnet steel is set to heteropolarity.
A kind of DC relay, including described arc extinguishing magnetic circuit.
Compared with prior art, the invention has the beneficial effects as follows:
1, present invention employs two magnet steel and two L-type yokes folder constitutes two arc blow-out assemblies to go out two contacts respectively
Arc, relative to four magnet steel schemes, it is possible to cost-effective, this two magnet steel schemes, there is space application more flexible, magnet steel is taken
Join simpler feature.
2, present invention employs magnet steel and L-type yoke folder collocation to carry out arc extinguishing, by magnet steel have polarity one side patch
Make L-type yoke be clipped between inner side and the inner side of another side on one side in the inner side on wherein one side of L-type yoke folder and form magnetic force
Line is scattered in the magnetic field in fan-shaped direction；And arc blow-out assembly is contained in around contact, make the magnetic field in the fan-shaped direction of arc blow-out assembly
The magnetic line of force through the center of corresponding contact, thus line between a direction and two contacts can be formed at corresponding contact
There is the magnetic blow-out power of an angle.This structure of the present invention, the direction of arc blow-out is at diagonal so that the space that arc blows is bigger,
Being more beneficial for current interruption, arc extinguishing ability is higher, and product utilize space higher.
3, present invention employs magnet steel and L-type yoke folder collocation to carry out arc extinguishing, utilize L-type yoke so that the magnetic of magnet steel
Field trend, is become by the magnetic field trend dissipated in air and flows along L-type yoke, be so easy to the magnetic line of force is focused on needs
Position, greatly strengthen the effect of arc extinguishing, thus reduce the volume required for magnet steel, cost-effective.
4, present invention employs to be respectively provided at the centrage of two magnet steel to come relative to the another side of respective L-type yoke folder
Say the position for exceeding the most corresponding contact.This structure of the present invention, by the special placement of magnet steel position, makes contact
Centrally through magnetic induction line (i.e. the magnetic line of force) the most intensive, thus be greatly improved magnetic blow-out effect.
5, present invention employs at two magnet steel during to distribution, two magnet steel are respectively facing the one of each corresponding contact
The polarity in face is set to same polarity, and when two magnet steel adjacent distributions, and two magnet steel are respectively facing the most corresponding contact
The polarity of one side be set to heteropolarity.This structure of the present invention, no matter the closure of electric current is forward or reversely,
The arc blow-out direction that can make two contacts is identical, will not produce in prior art when the sense of current connects the fraud causing two arcs to collide inverse time
End, it is achieved thereby that nonpolarity arc extinguishing.
Below in conjunction with drawings and Examples, the present invention is described in further detail；But a kind of arc extinguishing magnetic circuit of the present invention and
Its DC relay is not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the arc extinguishing magnetic circuit (connection of electric current forward) of a kind of DC relay of prior art；
Fig. 2 is the schematic diagram of the arc extinguishing magnetic circuit (electric current Opposite direction connection) of a kind of DC relay of prior art；
Fig. 3 is the schematic diagram of the arc extinguishing magnetic circuit (connection of electric current forward) of embodiment one present invention；
Fig. 4 is the schematic diagram of the arc extinguishing magnetic circuit (electric current Opposite direction connection) of embodiment one present invention；
Fig. 5 is the schematic diagram of the arc extinguishing magnetic circuit (connection of electric current forward) of embodiment two present invention；
Fig. 6 is the schematic diagram of the arc extinguishing magnetic circuit (electric current Opposite direction connection) of embodiment two present invention；
Fig. 7 is the schematic diagram of the arc extinguishing magnetic circuit (connection of electric current forward) of embodiment three present invention；
Fig. 8 is the schematic diagram of the arc extinguishing magnetic circuit (electric current Opposite direction connection) of embodiment three present invention；
Fig. 9 is the schematic diagram of the arc extinguishing magnetic circuit (connection of electric current forward) of embodiment four present invention；
Figure 10 is the schematic diagram of the arc extinguishing magnetic circuit (electric current Opposite direction connection) of embodiment four present invention；
Figure 11 is the schematic diagram of the arc extinguishing magnetic circuit (connection of electric current forward) of embodiment five present invention；
Figure 12 is the schematic diagram of the arc extinguishing magnetic circuit (electric current Opposite direction connection) of embodiment five present invention；
Figure 13 is the schematic diagram of the arc extinguishing magnetic circuit (connection of electric current forward) of embodiment six present invention；
Figure 14 is the schematic diagram of the arc extinguishing magnetic circuit (electric current Opposite direction connection) of embodiment six present invention；
Figure 15 is the schematic diagram of the arc extinguishing magnetic circuit (connection of electric current forward) of embodiment seven present invention；
Figure 16 is the schematic diagram of the arc extinguishing magnetic circuit (electric current Opposite direction connection) of embodiment seven present invention；
Figure 17 is the schematic diagram of the arc extinguishing magnetic circuit (connection of electric current forward) of embodiment eight present invention；
Figure 18 is the schematic diagram of the arc extinguishing magnetic circuit (electric current Opposite direction connection) of embodiment eight present invention.
Detailed description of the invention
Embodiment one
See shown in Fig. 3, Fig. 4, a kind of arc extinguishing magnetic circuit of the present invention, electrically connected by movable contact spring including two and can realize connecing
Contact 11, the 12 and two arc blow-out assembly 21,22 touched or separate, wherein, two contacts 11,12 are by two static contacts and a movable contact spring
The composition that contacts at two ends；Arc blow-out assembly 21,22 is all to be pressed from both sides 4 by a magnet steel 3 and a L-type yoke to constitute, the L-type yoke of the present embodiment
Iron clamp 4 is to use ferrimagnet to be made, and the one side with polarity of described magnet steel 3 is attached to wherein the one of L-type yoke folder 4
The inner side on limit makes L-type yoke folder 4 form the magnetic line of force between inner side and the inner side of another side on one side and is scattered in fan-shaped direction
Magnetic field；Described two arc blow-out assemblies 21,22 are corresponding respectively is contained in two contacts 11,12 around, and makes the sector of each arc blow-out assembly
The magnetic line of force in the magnetic field in direction can (i.e. arc blow-out assembly 21 correspondence be contained in the week of two contacts 11 through the center of corresponding contact
Enclosing, enable the magnetic line of force in magnetic field in the fan-shaped direction of arc blow-out assembly 21 through the center of contact 11, arc blow-out assembly 22 is corresponding to be filled
Around two contacts 12, enable the magnetic line of force in magnetic field in the fan-shaped direction of arc blow-out assembly 22 through the center of contact 12), from
And at corresponding contact, form line between a direction and two contacts there is the magnetic blow-out power of an angle.
L-type yoke folder 4 has the first limit 41 and the second limit 42, the first limit 41 of two L-type yoke folders be separately positioned on
Between two contacts, the extended line of line is perpendicular and is at the position in the outside at the two ends of line between two contacts, i.e. arc blow-out
First limit 41 of the L-type yoke folder of assembly 21 is in the outside of contact 11, at the first limit 41 of the L-type yoke folder of arc blow-out assembly 22
In the outside of contact 12, the second limit 42 of two L-type yokes folder is separately positioned on the outside on the both sides of line between two contacts, and in
Being dislocatedly distributed, with relative with corresponding contact, i.e. the second limit 42 of the L-type yoke folder of arc blow-out assembly 21 is relative with contact 11, blows
Second limit 42 of the L-type yoke folder of arc assembly 22 is relative with contact 12.
In the present embodiment, two magnet steel 3 be attached to respectively two L-type yokes folder 4 the first limit 41 by subterminal position, and
Relative with the most corresponding contact.That is, in arc blow-out assembly 21, magnet steel 3 is attached to the close end on the first limit 41 of L-type yoke folder 4
Position, and relative with contact 11；In arc blow-out assembly 22, magnet steel 3 is attached to the close end on the first limit 41 of L-type yoke folder 4
Position, and relative with contact 12；Also it is Relative distribution between two magnet steel 3.
In the present embodiment, the centrage of two magnet steel 3 is respectively provided at the second limit 42 relative to respective L-type yoke folder 4
Say that the centrage making two magnet steel is the most concordant for more than the position of line between two contacts.That is, in arc blow-out assembly 21, magnet steel 3
Centrage be located at for the second limit 42 that self L-type yoke presss from both sides as the position of line between more than two contacts；Blow
In arc assembly 21, the centrage of magnet steel 3 be located at relative to self L-type yoke press from both sides the second limit 42 for for more than two contacts between
The position of line；So, the centrage of two magnet steel 3 is the most concordant.
In the present embodiment, the polarity of the relative one side of two magnet steel 3 is set to same polarity, and the present embodiment is set to S pole.
In the case of electric current forward connects, i.e. contact 11 electric current flows into, and contact 12 electric current flows out, arc blow-out assembly 21,22
Magnetic line of force distribution as it is shown on figure 3, root Ju left hand rule, arc blow-out assembly 21,22 the Hui Liang contact, magnetic field 11,12 formed
Form power F (i.e. and between two contacts line there is an angle, such as arrow indication in Fig. 3) of a tilted direction, and two respectively
The direction of power F is identical so that electric arc blows towards the direction pointed by power F.
As shown in Figure 4, in the case of electric current Opposite direction connection, i.e. contact 11 electric current flows out, and contact 12 electric current flows into, arc blow-out
The magnetic line of force distribution of assembly 21,22 is the most identical, and root Ju left hand rule, arc blow-out assembly 21,22 magnetic field formed can be two
Contact 11,12 forms power F of a tilted direction respectively, owing to the sense of current connects instead, in Fig. 4 in power F of two tilted directions and Fig. 3
The power contrast of two tilted directions, but the direction of two power F or identical, therefore, do not have and work as electricity in prior art
Flow path direction connects the situation causing two arcs to collide inverse time and occurs, it is achieved that nonpolarity wiring.
A kind of arc extinguishing magnetic circuit of the present invention, have employed two magnet steel 3 and two L-type yokes folder 4 constitutes two arc blow-out assemblies 21,22
Respectively two contacts 11,12 are carried out arc extinguishing, relative to four magnet steel schemes, the present invention's can be cost-effective, this two
Magnet steel scheme, has space application more flexible, the magnet steel simpler feature of collocation.Present invention employs magnet steel 3 and L-type yoke folder
4 collocation carry out arc extinguishing, and the inner side wherein that the one side with polarity of magnet steel 3 is attached to L-type yoke folder 4 makes L-type yoke
Iron clamp forms the magnetic line of force between inner side and the inner side of another side on one side and is scattered in the magnetic field in fan-shaped direction；And by arc blow-out assembly
21,22 it is contained in contact 11,12 around, enables the magnetic line of force in magnetic field in the fan-shaped direction of arc blow-out assembly through corresponding contact
Center, thus at corresponding contact, form line between a direction and two contacts there is the magnetic blow-out power of an angle；This
Bright this structure, the direction of arc blow-out is at diagonal so that the space that arc blows is bigger, is more beneficial for current interruption, and arc extinguishing ability is higher,
And product utilize space higher.Present invention employs magnet steel 3 and L-type yoke folder 4 collocation carries out arc extinguishing, utilize L-type yoke
4 so that the magnetic field of magnet steel 3 trend, the magnetic field trend dissipated in air become and flow along L-type yoke, be so easy to by
The magnetic line of force focuses on the position of needs, greatly strengthen the effect of arc extinguishing, thus reduces the volume required for magnet steel, saves into
This.Present invention employs to be respectively provided at the centrage of two magnet steel 3 and for the another side of respective L-type yoke folder 4 be
Exceed the position of the most corresponding contact；This structure of the present invention, by the special placement of magnet steel position, makes contact center
The magnetic induction line (i.e. the magnetic line of force) passed through is the most intensive, thus is greatly improved magnetic blow-out effect.Present invention employs two magnet steel 3 to
During distribution, the polarity being respectively facing each one side of corresponding contact of two magnet steel 3 is set to same polarity, this of the present invention
Kind of structure, no matter the closure of electric current is forward or reversely, the arc blow-out direction that can make two contacts 11,12 is identical, will not
Produce when the sense of current connects the drawback causing two arcs to collide inverse time in prior art, it is achieved thereby that nonpolarity arc extinguishing.
A kind of DC relay of the present invention, is to include above-mentioned arc extinguishing magnetic circuit.
Embodiment two
See shown in Fig. 5, Fig. 6, a kind of arc extinguishing magnetic circuit of the present invention, it is with the difference of embodiment one, two magnet steel 3
Polarity set-up mode different, the polarity of the relative one side of two magnet steel 3 is set to N pole.
Embodiment three
See shown in Fig. 7, Fig. 8, a kind of arc extinguishing magnetic circuit of the present invention, it is with the difference of embodiment one, two magnet steel 3
Mounting means different, two magnet steel 3 be attached to respectively two L-type yokes folders 4 the second limit 42 by subterminal position, and with
The most corresponding contact is relative.That is, in arc blow-out assembly 21, magnet steel 3 be attached to L-type yoke folder 4 the second limit 42 by subterminal
Position, and relative with contact 11；In arc blow-out assembly 22, magnet steel 3 be attached to L-type yoke folder 4 the second limit 42 by subterminal
Position, and relative with contact 12；It it is the Relative distribution in dislocation between two magnet steel 3.The centrage of two magnet steel 3 is respectively provided at phase
For the position for exceeding the most corresponding contact for the first limit 41 of respective L-type yoke folder 4.That is, arc blow-out assembly
In 21, it is the position exceeding contact 11 that the centrage of magnet steel 3 is located at for the first limit 41 of the L-type yoke folder of self
Place；In arc blow-out assembly 22, the centrage of magnet steel 3 is located at for the first limit 41 of the L-type yoke folder of self tactile for exceeding
The position of point 12.
Embodiment four
See shown in Fig. 9, Figure 10, a kind of arc extinguishing magnetic circuit of the present invention, it is with the difference of embodiment three, two magnet steel
The polarity set-up mode of 3 is different, and the polarity of the relative one side that misplaces of two magnet steel 3 is set to N pole.
Embodiment five
See shown in Figure 11, Figure 12, a kind of arc extinguishing magnetic circuit of the present invention, it is with the difference of embodiment one, two magnetic
The mounting means of steel 3 is different, in arc blow-out assembly 21, magnet steel 3 be attached to the first limit 41 of L-type yoke folder 4 by subterminal position
Put place, and relative with contact 11；In arc blow-out assembly 22, magnet steel 3 be attached to L-type yoke folder 4 the second limit 42 by subterminal
Position, and relative with contact 12.In arc blow-out assembly 21, the centrage of magnet steel 3 is located at relative to self L-type yoke folder 4
It it is the position exceeding contact 11 for second limit 42；In arc blow-out assembly 22, the centrage of magnet steel 3 is located at relative to self L
It it is the position exceeding contact 12 for first limit 41 of type yoke folder 4.Two magnet steel 3 be respectively facing respective corresponding contact
The polarity of one side is set to heteropolarity, i.e. in arc blow-out assembly 21, magnet steel 3 is set to S towards the polarity of the one side of contact 11；Blow
In arc assembly 22, magnet steel 3 is set to N towards the polarity of the one side of contact 12.
Two magnet steel 3 of the present embodiment are in adjacent distributions.
Embodiment six
See shown in Figure 13, Figure 14, a kind of arc extinguishing magnetic circuit of the present invention, it is with the difference of embodiment five, two magnetic
The polarity set-up mode of steel 3 is different, and in arc blow-out assembly 21, magnet steel 3 is set to N towards the polarity of the one side of contact 11；Arc blow-out assembly
In 22, magnet steel 3 is set to S towards the polarity of the one side of contact 12.
Embodiment seven
See shown in Figure 15, Figure 16, a kind of arc extinguishing magnetic circuit of the present invention, it is with the difference of embodiment five, two magnetic
The mounting means of steel 3 is different, in arc blow-out assembly 21, magnet steel 3 be attached to the second limit 42 of L-type yoke folder 4 by subterminal position
Put place, and relative with contact 11；In arc blow-out assembly 22, magnet steel 3 be attached to L-type yoke folder 4 the first limit 41 by subterminal
Position, and relative with contact 12.
Embodiment eight
See shown in Figure 17, Figure 18, a kind of arc extinguishing magnetic circuit of the present invention, it is with the difference of embodiment seven, two magnetic
The polarity set-up mode of steel 3 is different, and in arc blow-out assembly 21, magnet steel 3 is set to N towards the polarity of the one side of contact 11；Arc blow-out assembly
In 22, magnet steel 3 is set to S towards the polarity of the one side of contact 12.
Above-mentioned simply presently preferred embodiments of the present invention, not makees any pro forma restriction to the present invention.Although the present invention
Disclosed above with preferred embodiment, but it is not limited to the present invention.Any those of ordinary skill in the art, are not taking off
In the case of technical solution of the present invention scope, technical solution of the present invention is made perhaps by the technology contents that all may utilize the disclosure above
The most possible variation and modification, or it is revised as equivalents Equivalent embodiments.Therefore, every without departing from technical solution of the present invention
Content, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should fall
In the range of technical solution of the present invention protection.
Claims (14)
1. an arc extinguishing magnetic circuit, by movable contact spring electrical connection and can realize contact or the contact separated and two arc blow-out groups including two
Part；It is characterized in that: described arc blow-out assembly is pressed from both sides by a magnet steel and a L-type yoke and constitutes；Described two arc blow-out assemblies correspondence dress respectively
Around two contacts.
Arc extinguishing magnetic circuit the most according to claim 1, it is characterised in that: the one side with polarity of described magnet steel is attached to L-type
The inner side on wherein one side of yoke folder makes L-type yoke be clipped between inner side and the inner side of another side on one side and forms magnetic line of force distribution
Become the magnetic field in fan-shaped direction；Described two arc blow-out assemblies match with corresponding contact respectively, make the sector side of each arc blow-out assembly
To the magnetic line of force in magnetic field through the center of corresponding contact, thus direction can be formed at corresponding contact and touches with two
Between point, line has the magnetic blow-out power of an angle.
Arc extinguishing magnetic circuit the most according to claim 2, it is characterised in that: the direction of the magnetic blow-out power that described two arc blow-out assemblies are formed
Identical.
Arc extinguishing magnetic circuit the most according to claim 3, it is characterised in that: described L-type yoke fixture has the first limit and the second limit,
First limit of two L-type yokes folder is separately positioned on and between two contacts, line is perpendicular and is between two contacts the two of line
The position in outside of end, the second limit of two L-type yoke folders is separately positioned on the outside on the both sides of line between two contacts, and in
It is dislocatedly distributed, with relative with corresponding contact.
Arc extinguishing magnetic circuit the most according to claim 4, it is characterised in that: described two magnet steel are attached to two L-type yoke folders respectively
First limit by subterminal position and relative with each corresponding contact.
Arc extinguishing magnetic circuit the most according to claim 5, it is characterised in that: the centrage of described two magnet steel be respectively provided at relative to
For more than the position of line between two contacts, making the centrage of two magnet steel the most not for second limit of respective L-type yoke folder
Concordant.
7. according to the arc extinguishing magnetic circuit described in claim 5 or 6, it is characterised in that: the polarity of the relative one side of described two magnet steel
It is set to same polarity.
Arc extinguishing magnetic circuit the most according to claim 4, it is characterised in that: described two magnet steel are attached to two L-type yoke folders respectively
Second limit by subterminal position and relative with each corresponding contact.
Arc extinguishing magnetic circuit the most according to claim 8, it is characterised in that: the centrage of described two magnet steel be respectively provided at relative to
For exceeding the position of the most corresponding contact for first limit of respective L-type yoke folder.
Arc extinguishing magnetic circuit the most according to claim 8 or claim 9, it is characterised in that: described two magnet steel to be respectively facing each institute right
The polarity answering the one side of contact is set to same polarity.
11. arc extinguishing magnetic circuits according to claim 4, it is characterised in that: in described two magnet steel, wherein a magnet steel is attached to wherein
One L-type yoke folder the first limit or the second limit by subterminal position, another magnet steel be attached to another L-type yoke folder second
Limit or the first limit by subterminal position and relative with the most corresponding contact respectively.
12. arc extinguishing magnetic circuits according to claim 11, it is characterised in that: the centrage of a described wherein magnet steel is respectively provided at
It is the position exceeding corresponding contact for second limit or the first limit of a wherein L-type yoke folder, another magnetic described
It is the position exceeding corresponding contact that the centrage of steel is respectively provided at for first limit or the second limit of another L-type yoke folder
Put place.
13. according to the arc extinguishing magnetic circuit described in claim 11 or 12, it is characterised in that: described two magnet steel be respectively facing respective institute
The polarity of the one side of corresponding contact is set to heteropolarity.
14. 1 kinds of DC relays, it is characterised in that: include the arc extinguishing as described in any claim in claim 1 to 13
Magnetic circuit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619812.3A CN106252162A (en) | 2016-08-01 | 2016-08-01 | A kind of arc extinguishing magnetic circuit and DC relay thereof |
| PCT/CN2017/094976 WO2018024167A1 (en) | 2016-08-01 | 2017-07-28 | Arc extinguishing magnetic circuit and direct current relay thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610619812.3A CN106252162A (en) | 2016-08-01 | 2016-08-01 | A kind of arc extinguishing magnetic circuit and DC relay thereof |
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| Publication Number | Publication Date |
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| CN106252162A true CN106252162A (en) | 2016-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610619812.3A Pending CN106252162A (en) | 2016-08-01 | 2016-08-01 | A kind of arc extinguishing magnetic circuit and DC relay thereof |
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| CN (1) | CN106252162A (en) |
| WO (1) | WO2018024167A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018024167A1 (en) * | 2016-08-01 | 2018-02-08 | 厦门宏发电力电器有限公司 | Arc extinguishing magnetic circuit and direct current relay thereof |
| CN108899252A (en) * | 2018-07-25 | 2018-11-27 | 浙江环方汽车电器有限公司 | A kind of relay of efficient arc extinguishing |
| CN109243923A (en) * | 2018-11-14 | 2019-01-18 | 厦门普利得汽车电子有限公司 | High voltage direct current relay |
| CN109767939A (en) * | 2019-03-12 | 2019-05-17 | 上海西埃新能源科技有限公司 | A kind of external magnetic circuit folder |
| WO2021040172A1 (en) * | 2019-08-28 | 2021-03-04 | 엘에스일렉트릭㈜ | Arc path forming unit and direct current relay including same |
| CN114287047A (en) * | 2019-08-28 | 2022-04-05 | Ls电气株式会社 | Arc path forming part and direct current relay including the same |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830404B (en) * | 2018-12-28 | 2024-05-14 | 厦门宏发电力电器有限公司 | DC relay with arc extinguishing and short-circuit current resisting functions |
| CN114496607B (en) * | 2020-11-12 | 2023-09-05 | 比亚迪股份有限公司 | Power distribution module |
| CN113380564B (en) * | 2021-05-31 | 2022-10-28 | 浙江英洛华新能源科技有限公司 | Relay with high magnetic field strength |
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| CN106252162A (en) * | 2016-08-01 | 2016-12-21 | 厦门宏发电力电器有限公司 | A kind of arc extinguishing magnetic circuit and DC relay thereof |
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- 2016-08-01 CN CN201610619812.3A patent/CN106252162A/en active Pending
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2017
- 2017-07-28 WO PCT/CN2017/094976 patent/WO2018024167A1/en active Application Filing
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| JPS63133504A (en) * | 1986-11-25 | 1988-06-06 | Matsushita Electric Works Ltd | Electromagnet device |
| CN102834891A (en) * | 2010-03-25 | 2012-12-19 | 松下电器产业株式会社 | Contact device |
| CN103155082A (en) * | 2010-08-31 | 2013-06-12 | 富士电机机器制御株式会社 | Electromagnetic switch |
| CN104882335A (en) * | 2015-03-31 | 2015-09-02 | 厦门宏发电力电器有限公司 | Arc extinction magnetic circuit with misaligned magnetic steel and DC relay thereof |
| CN104882336A (en) * | 2015-03-31 | 2015-09-02 | 厦门宏发电力电器有限公司 | Arc extinction magnetic circuit resisting/matching electro-dynamic repulsion force and DC relay thereof |
| CN104952655A (en) * | 2015-06-27 | 2015-09-30 | 贵州振华群英电器有限公司（国营第八九一厂） | Non-polar arc extinguishing system of high-voltage direct current contactor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018024167A1 (en) * | 2016-08-01 | 2018-02-08 | 厦门宏发电力电器有限公司 | Arc extinguishing magnetic circuit and direct current relay thereof |
| CN108899252A (en) * | 2018-07-25 | 2018-11-27 | 浙江环方汽车电器有限公司 | A kind of relay of efficient arc extinguishing |
| CN109243923A (en) * | 2018-11-14 | 2019-01-18 | 厦门普利得汽车电子有限公司 | High voltage direct current relay |
| CN109767939A (en) * | 2019-03-12 | 2019-05-17 | 上海西埃新能源科技有限公司 | A kind of external magnetic circuit folder |
| WO2021040172A1 (en) * | 2019-08-28 | 2021-03-04 | 엘에스일렉트릭㈜ | Arc path forming unit and direct current relay including same |
| CN114287047A (en) * | 2019-08-28 | 2022-04-05 | Ls电气株式会社 | Arc path forming part and direct current relay including the same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018024167A1 (en) | 2018-02-08 |
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Application publication date: 20161221 |