CN104882336B - A kind of arc extinguishing magnetic circuit and its DC relay of opposing/matching electrodynamic repulsion force - Google Patents
A kind of arc extinguishing magnetic circuit and its DC relay of opposing/matching electrodynamic repulsion force Download PDFInfo
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- CN104882336B CN104882336B CN201510148073.XA CN201510148073A CN104882336B CN 104882336 B CN104882336 B CN 104882336B CN 201510148073 A CN201510148073 A CN 201510148073A CN 104882336 B CN104882336 B CN 104882336B
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- magnet steel
- movable contact
- contact spring
- piece
- arc extinguishing
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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
Abstract
The invention discloses the arc extinguishing magnetic circuit and its DC relay of a kind of opposing/matching electrodynamic repulsion force, the arc extinguishing magnetic circuit includes static contact and the movable contact spring being engaged；One piece of first magnet steel is respectively equipped with the outside of the two ends of the length of movable contact spring；One piece of second magnet steel is respectively equipped with the outside of the both sides of the width of movable contact spring；Wherein, the polarity opposite sex of two piece of first magnet steel is relative, and also the opposite sex is relative for the polarity of two piece of second magnet steel；Also including two yoke folders, two yoke folders are connected between the first corresponding magnet steel and the second magnet steel；The polarity towards movable contact spring of the first corresponding magnet steel and the second magnet steel is phase heterogeneite.The present invention arranges the magnet steel of specific magnetic by the periphery in contact part, yoke folder is added between two groups of adjacent two block magnet steel, the main past yoke folder of magnetic flux of magnet steel is allowed to walk to form main flux, so that arc extinguishing magnetic field intensity and the magnetic field intensity for providing Ampere force to dynamic spring are strengthened significantly, the magnetic utilization rate of magnet steel is made to be greatly enhanced.
Description
Technical field
The present invention relates to a kind of DC relay, the arc extinguishing magnetic circuit of more particularly to a kind of opposing/matching electrodynamic repulsion force and
Its DC relay, loads for cutoff high, heavy DC.
Background technology
Relay is a kind of electronic control device, it have control system (also known as input circuit) and by control system (and
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 " automatic switch ".Therefore play in circuit automatically adjust, safeguard protection, the effect such as change-over circuit.DC relay is relay
One kind in device, existing DC relay adopt movable contact spring Direct Action Type (also referred to as solenoid Direct Action Type) scheme mostly, such as
Grand, safe section, Panasonic, the manufacturer such as LS all adopt solenoid Direct Action Type scheme.
The contact part of this DC relay, when contact flows through electric current, due to the contraction of electric current line, can produce between contact
The mutually exclusive electric power of life, that is to say, that the movable contact spring of moving contact can be made the detached repulsion of dynamic and static contact, also referred to as electronic
Repulsion.In order to resist this contact repulsion, just spring applying power need to be passed through on movable contact spring, to improve the pressure between dynamic and static contact
Power.In theory, electric current is bigger, and electrodynamic repulsion force is bigger, and the spring force of needs is also bigger.But, excessive spring force needs more
Strong magnetic circuit is driving, so that enamel-covered wire consumption increases, causes cost increase, small product size to become the drawback such as big.
In order to solve the problems, such as the electrodynamic repulsion force of this dynamic and static contact, patent application " has the contact bridge of blowout magnet "
(patent publication No. CN102246250A) proposes a kind of six pieces of magnet steel schemes, that is, the both sides of the width in movable contact spring, point
Three blocks of magnet steel are not provided with, Ampere force are produced come resistant to electric repulsive force using middle magnet steel, to improve the pressure between contact, utilize
The magnet steel on both sides is realizing arc blow-out so that this arc extinguishing magnetic circuit can arc extinguishing again can resistant to electric repulsive force.But, it is this with going out
, there is following drawback in the contact bridge of arc magnet：One is that magnetic utilization rate is low, and between magnet steel, magnetic field meeting entanglement, causes arc extinguishing magnetic between contact
Field intensity declines；Two are, relatively costly；Three are, the magnetic utilization rate of magnet steel is relatively low, when high current flows through movable contact spring, due to two
Side magnet steel can make spring produce the power disengaged between a contact, so as to weaken the Ampere force that middle magnet steel is produced to movable contact spring.
A kind of earlier patent application " DC relay " (patent publication No. CN104091726A) of the applicant, it is proposed that
A kind of four pieces of magnet steel schemes, have one block of magnet steel respectively in the outside at the two ends of the length of movable contact spring, in the length of movable contact spring
Between outside also have one block of magnet steel respectively, using the two ends of the length of movable contact spring outside magnet steel realizing arc blow-out, using dynamic
The magnet steel in the outside of the centre of the length of reed producing Ampere force, to resist the electrodynamic repulsion force between dynamic and static contact, so as to solve
The drawbacks of certainly " there is the contact bridge of blowout magnet " caused by (patent publication No. CN102246250A).But, due to arc extinguishing
Magnetic field intensity and the magnetic field intensity for providing Ampere force to dynamic spring are produced by magnet steel leakage field, and so, the magnetic utilization rate of magnet steel just compares
It is relatively low.Fig. 1 is the magnetic line of force distribution schematic diagram of this four pieces of magnet steel schemes, as shown in figure 1, the surrounding in movable contact spring 101 is sent out
Four blocks of magnet steel are furnished with, wherein two blocks of magnet steel 102 are distributed in the outside at the two ends of the length of movable contact spring 101, two blocks of magnet steel 103 in addition
The outside of the centre of the length of movable contact spring 101 is distributed in, two blocks of magnet steel 102 each defining main flux 104, two blocks of magnet steel 103
Main flux 105 is each defining, and between two blocks of adjacent magnet steel, two groups of leakage magnetic fluxs 106 can be formed, as can be seen from Figure 1
Arc extinguishing magnetic field intensity and the magnetic field intensity for providing Ampere force to dynamic spring are mainly produced by magnet steel leakage field, and main flux 104 and
Between leakage magnetic flux 106, can also cancel out each other in some regions, further reduce magnetic field intensity.In this four pieces of magnet steel sides
In case, further propose between two blocks of magnet steel 102 (being distributed in the magnet steel in the outside at the two ends of the length of movable contact spring)
Increase yoke 107 (as shown in Figure 2), but can only also to strengthen arc extinguishing magnetic field strong for the main flux 108 that formed of two blocks of magnet steel 102
Degree, and its leakage magnetic flux 109 is also what is cancelled out each other in terms of Ampere force is provided to dynamic spring, therefore, the magnetic utilization rate of magnet steel just compares
It is relatively low.
The content of the invention
It is an object of the invention to overcome the deficiency of prior art, there is provided a kind of arc extinguishing magnetic of opposing/matching electrodynamic repulsion force
Road and its DC relay, by yoke folder is added between two groups of adjacent two block magnet steel, make the magnetic flux of magnet steel main toward yoke
Iron clamp is walked to form main flux, so that arc extinguishing magnetic field intensity and the magnetic field intensity for providing Ampere force to dynamic spring are strengthened significantly,
The magnetic utilization rate of magnet steel is made to be greatly enhanced.
The technical solution adopted for the present invention to solve the technical problems is：A kind of arc extinguishing magnetic of opposing/matching electrodynamic repulsion force
Road, including contact part, contact part include that two are respectively intended to provide electric current inflow, the static contact for flowing out and a dynamic spring
Piece, the two ends of the movable contact spring are engaged with two static contacts respectively；It is respectively equipped with the outside of the two ends of the length of movable contact spring
One piece of first magnet steel；One piece of second magnet steel is respectively equipped with the outside of the both sides of the width of movable contact spring；Wherein, two piece of first magnet steel
The polarity opposite sex it is relative, also the opposite sex is relative for the polarity of two piece of second magnet steel；Also including two yoke folders with magnetic conduction effect, two
Individual yoke folder is connected between the first corresponding magnet steel and the second magnet steel；The first corresponding magnet steel and the second magnetic
The polarity towards movable contact spring of steel is phase heterogeneite.
In two piece of second magnet steel, towards movable contact spring, the N poles are towards movable contact spring for the N poles of one of second magnet steel
Second magnet steel is arranged on the right side of the current direction of movable contact spring, resists with using the Ampere force produced by the magnetic field of four blocks of magnet steel
Electrodynamic repulsion force between dynamic and static contact, increases the pressure between dynamic and static contact.
In two piece of second magnet steel, towards movable contact spring, the N poles are towards movable contact spring for the N poles of one of second magnet steel
Second magnet steel is arranged on the left side of the current direction of movable contact spring, matches with using the Ampere force produced by the magnetic field of four blocks of magnet steel
Electrodynamic repulsion force between dynamic and static contact, increases the separating force between dynamic and static contact.
Two piece of second magnet steel is located at the middle of the length dimension of movable contact spring respectively.
A kind of DC relay, including the arc extinguishing magnetic circuit with opposing/matching electrodynamic repulsion force.
A kind of arc extinguishing magnetic circuit and its DC relay of opposing/matching electrodynamic repulsion force of the present invention, is in dynamic and static contact four
Four blocks of magnet steel of week distribution, increase yoke folder between two blocks of adjacent magnet steel, are produced using the magnetic field of four blocks of magnet steel simultaneously and are gone out
The dual-use function of arc and increase (or reduction) contact pressure.As the magnetic resistance of yoke folder is far smaller than air reluctance, the magnetic of magnet steel
Logical main past yoke folder is walked to form main flux, and the magnetic field intensity for providing Ampere force so as to arc extinguishing magnetic field intensity and to dynamic spring increases
By force.Meanwhile, the peace that the Ampere force that the leakage magnetic flux between two piece of second magnet steel is produced to movable contact spring is produced to movable contact spring with main flux
Training force direction is consistent, the magnetic that the magnetic blow-out direction and main flux that the leakage magnetic flux between two piece of first magnet steel is produced to electric arc produces
The effect for blowing direction generation is also consistent.When high current flows through movable contact spring, movable contact spring can be produced by the magnetic field of four blocks of magnet steel
The Ampere force of raw (or downwards) upwards goes to resist the electrodynamic repulsion force between (or matching) dynamic and static contact so that movable contact spring with
Static contact is in close contact (or sharp separation).When having electric arc to produce between dynamic and static contact, four blocks of magnet steel are produced by yoke folder
Raw main flux can produce magnetic blow-out to electric arc, so that electric arc quickly extinguishes.The polarity of two piece of second magnet steel is provided with special wanting
Ask, when for increasing the pressure between dynamic and static contact, in two piece of second magnet steel, the N poles direction of one of second magnet steel is dynamic
Reed, the N poles are arranged on the right side of the current direction of movable contact spring towards the second magnet steel of movable contact spring；When dynamic and static tactile for increasing
When separating force between head realizes quick disjunction dynamic and static contact, in two piece of second magnet steel, the N poles of one of second magnet steel
Towards movable contact spring, the N poles are arranged on the left side of the current direction of movable contact spring towards the second magnet steel of movable contact spring.
The invention has the beneficial effects as follows：
1st, due to increasing yoke folder between two blocks of adjacent magnet steel, as the magnetic resistance of yoke folder is far smaller than air magnetic
Resistance, the magnetic flux of magnet steel is main to be walked to form main flux toward yoke folder, so that arc extinguishing magnetic field intensity and providing Ampere force to dynamic spring
Magnetic field intensity is greatly enhanced.
2nd, due between two blocks of adjacent magnet steel increase yoke folder, thus can be realized using main flux arc extinguishing and
There is provided Ampere force to dynamic spring, realize and come with same magnetic field scheme while producing (or the quickly disjunction of arc extinguishing and increase contact pressure
Contact) dual-use function.That is, the first magnet steel has also participated in the effect that Ampere force is provided to dynamic spring, and the second magnet steel has also been participated in and gone out
The effect of arc, makes the magnetic utilization rate of magnet steel be greatly enhanced.And in original scheme, the first magnet steel is only used for arc extinguishing, the second magnetic
Steel is only used for providing Ampere force to dynamic spring.
3rd, the program is not only applicable to work as contact closure, and contact loop produces application during failure high current, is also suitable for
In when contact is by the application for being disconnected to this connection high current of closure.Due to the presence of contact electrodynamic repulsion force, and contact is by breaking
Reach closure this process and have contact rebound, when connecting high current, due to contact pressure it is not enough, product probably explode or
Situations such as person burns.And the program is used, powerful pressure can be provided to contact, be in close contact contact, it is to avoid be abnormal.
4th, the program is applied also for when system exception produces big fault current and needs disjunction, when electric current becomes big, is moved
Spring can receive an Ampere force contrary with contact pressure, so as to resist contact pressure together with contact electrodynamic repulsion force so that dynamic and static
Contact is rapidly separated, and reaches the purpose of abnormal current in cut-out circuit.
The present invention is described in further detail below in conjunction with drawings and Examples；But a kind of opposing/matching of the present invention
The arc extinguishing magnetic circuit of electrodynamic repulsion force is not limited to embodiment.
Description of the drawings
Fig. 1 is the magnetic line of force distribution schematic diagram of four pieces of magnet steel schemes of prior art；
Fig. 2 be prior art four pieces of magnet steel schemes in two blocks of magnet steel magnetic line of force distribution schematic diagram；
Fig. 3 is the structural representation of the arc extinguishing magnetic circuit of one present invention of embodiment；
Fig. 4 is the schematic diagram of the main flux of the arc extinguishing magnetic circuit of one present invention of embodiment；
Fig. 5 is the schematic diagram of the leakage magnetic flux of the arc extinguishing magnetic circuit of one present invention of embodiment；
Fig. 6 is the schematic diagram of the generation Ampere force of the arc extinguishing magnetic circuit of one present invention of embodiment；
Fig. 7 is the structural representation of the arc extinguishing magnetic circuit of two present invention of embodiment；
Fig. 8 is the schematic diagram of the generation Ampere force of the arc extinguishing magnetic circuit of two present invention of embodiment；
Fig. 9 is the application schematic diagram of the DC relay of two present invention of embodiment.
Specific embodiment
Embodiment one
Referring to shown in Fig. 3 to Fig. 6, a kind of arc extinguishing magnetic circuit of opposing/matching electrodynamic repulsion force of the present invention, including contact part
Point, contact part includes that two are respectively intended to provide electric current inflow, the static contact i.e. static contact 11 of outflow, static contact 12 and one
Movable contact spring 21, the two ends of the movable contact spring 21 are engaged with two static contacts 11,12 respectively, when dynamic and static contact together
When, electric current I is flowed into by static contact 11, after movable contact spring 21, is flowed out from static contact 12；At the two ends of the length of movable contact spring 21
Outside is respectively equipped with one piece of first magnet steel 31；One piece of second magnet steel is respectively equipped with the outside of the both sides of the width of movable contact spring 21
32；Wherein, the polarity opposite sex of two piece of first magnet steel 31 is relative, and also the opposite sex is relative for the polarity of two piece of second magnet steel 32；Also include two
The individual yoke folder 4 with magnetic conduction effect, two yokes folder 4 be connected to the first corresponding magnet steel 31 and the second magnet steel 32 it
Between；The polarity towards movable contact spring of the first corresponding magnet steel 31 and the second magnet steel 32 is phase heterogeneite.So, it is dynamic,
The periphery that static contact is engaged, just has two groups of first magnet steel 31 and the second magnet steel 32 for being connected with yoke folder 4.
In two piece of second magnet steel 32, towards movable contact spring 21, N poles direction is dynamic for the N poles of one of second magnet steel 32
Second magnet steel 32 of reed 21 is arranged on the right side of the current direction of movable contact spring 21, with produced by the magnetic field using four blocks of magnet steel
Ampere force increases the pressure between dynamic/static contact resisting electrodynamic repulsion force F11, F12 between dynamic and static contact.So, another piece
Second magnet steel 32 is provided in the left side of the current direction of movable contact spring 12, and another block of the second magnet steel 32 is S poles towards movable contact spring 21.
The present embodiment is to be applied to resistant to electric repulsive force.
In the present embodiment, two piece of second magnet steel 32 is located at the middle of the length dimension of movable contact spring 21 respectively.
In the present embodiment, in two piece of first magnet steel 31, the N poles of one of first magnet steel 31 towards movable contact spring 21,
One end that the N poles are flowed out towards the electric current that the first magnet steel 31 of movable contact spring 21 is arranged on movable contact spring 12, another block of the first magnet steel 31
Then S poles towards movable contact spring 21, the S poles flow into towards the electric current that the first magnet steel 31 of movable contact spring 21 is arranged on movable contact spring 12 one
End.
So, two groups of first magnet steel 31 and the second magnet steel 32 for being connected with yoke folder 4 are that the N poles are towards dynamic spring respectively
The S poles of one piece of second magnet steel 32 of piece 21 and the S poles pass through one towards the N poles of another block of the first magnet steel 31 of movable contact spring 21
Yoke folder 4 is connected, the S poles towards another block of the second magnet steel 32 of movable contact spring 21 N poles and the N poles towards movable contact spring 21
The S poles of one piece of first magnet steel 31 be connected by another yoke folder 4.
So, main flux is just form respectively in two groups of first magnet steel 31 and the second magnet steel 32 for being connected with yoke folder 4,
In the presence of the magnetic line of force 51, the magnetic line of force 52 in main flux, root Ju left hand rule can produce magnetic force F21, F22 between contact, when
When producing electric arc between dynamic and static contact, electric arc is elongated and blow-out along magnetic force F21, F22 directions in the presence of magnetic force.Equally, when
During energization, movable contact spring 21 flows through electric current I, and root Ju left hand rule, movable contact spring 21 are subject to an ampere upwards under the action of a magnetic field
Power F31, goes to resist electrodynamic repulsion force F11, the F12 between dynamic and static contact, makes contact pressure become big, so that contact reliable contacts.
The present invention another significance be, when contact loop produce failure high current (such as 4KA, 6KA etc.) when, Ampere force with
Contact pressure direction is consistent, can substantially increase contact pressure.So as to the electrodynamic repulsion force being effective against between contact so that contact reliability
Contact, it is to avoid contact is flicked and causes the dangerous consequence such as contact ablation.
Can there is leakage field between two the first magnet steel 31, in the presence of the magnetic line of force 53 of leakage field, root Ju left hand rule,
Meeting produces magnetic force F41, F42 between contact, and caused by this leakage field institute, electric arc Impact direction is received with the caused electric arc of main flux
The effect that force direction is produced is consistent；Equally, can also there is leakage field between two the second magnet steel 32, in the magnetic line of force of leakage field
In the presence of 54, root Ju left hand rule can produce an Ampere force upwards, this Ampere force and main flux on movable contact spring 21
The direction of produced Ampere force F31 is also consistent, that is to say, that the leakage field of the magnet steel scheme of the present invention is wanted for us
The purpose reached is favourable.
Present invention achieves same magnetic field scheme produces arc extinguishing and increases the dual-use function of contact pressure simultaneously.That is, first
Magnet steel has also participated in the effect that Ampere force is provided to dynamic spring, and the second magnet steel has also been participated in the effect of arc extinguishing, utilized the magnetic of magnet steel
Rate is greatly enhanced.
By actual contrast test, using this scheme of the present invention, during arc extinguishing magnetic field intensity, resistance to shorting at contact
The magnetic field intensity for providing electromagnetic force is maximum, magnetic utilization rate highest.
A kind of DC relay of the present invention, is to include the above-mentioned arc extinguishing magnetic circuit with resistant to electric repulsive force.
Embodiment two
Referring to shown in Fig. 7 to Fig. 9, the arc extinguishing magnetic circuit and its direct current relay of a kind of opposing/matching electrodynamic repulsion force of the present invention
Device, the difference with embodiment one is, in two piece of second magnet steel 32, the N poles direction of one of second magnet steel 32
Movable contact spring, the N poles are arranged on the left side of the current direction of movable contact spring 21 towards the second magnet steel 32 of movable contact spring, with using four blocks of magnetic
Ampere force produced by the magnetic field of steel increases the separating force between dynamic/static contact matching the electrodynamic repulsion force between dynamic/static contact.
As the position of two piece of second magnet steel 32 changes, when energized, movable contact spring 21 flows through electric current I, root Ju left hand
Rule, movable contact spring 21 are subject to a downward Ampere force F32, the pressure between Ampere force F32 and dynamic and static contact under the action of a magnetic field
F51 is contrary.
As shown in figure 9, an electric fuse of having been connected with relay together in systems, when system exception produces big failure
Electric current (such as 4KA, 6KA), by Ampere force formula F=BIL (B, L are constant), it is known that, electric current becomes big, and dynamic spring can receive one
The Ampere force contrary with contact pressure, so as to resist contact pressure together with contact electrodynamic repulsion force so that dynamic/static contact divides rapidly
From, reach cut-out circuit in abnormal current purpose.
And under a normal load, due to system power less (essentially hundreds of amperes), Ampere force F32 is less, to moving spring
Piece does not have impact substantially, so not affecting the normal performance of relay.
Above-described embodiment only be used for further illustrate the present invention a kind of opposing/matching electrodynamic repulsion force arc extinguishing magnetic circuit and its
DC relay, but embodiment is the invention is not limited in, every technical spirit according to the present invention is made to above example
Any simple modification, equivalent variations and modification, each fall within the protection domain of technical solution of the present invention.
Claims (5)
1. a kind of arc extinguishing magnetic circuit of opposing/matching electrodynamic repulsion force, including contact part, contact part include that two are respectively intended to carry
The static contact for flow into for electric current, flowing out and a movable contact spring, the two ends of the movable contact spring are engaged with two static contacts respectively；
One piece of first magnet steel is respectively equipped with the outside of the two ends of the length of movable contact spring；Set in the outside on the both sides of the width of movable contact spring respectively
There is one piece of second magnet steel；It is characterized in that：Wherein, the polarity opposite sex of two piece of first magnet steel is relative, the polarity of two piece of second magnet steel
Also the opposite sex is relative；Also including two yoke folders with magnetic conduction effect, two yoke folders are connected to the first corresponding magnetic
Between steel and the second magnet steel；The polarity towards movable contact spring of the first corresponding magnet steel and the second magnet steel is phase heterogeneite.
2. the arc extinguishing magnetic circuit of opposing according to claim 1/matching electrodynamic repulsion force, it is characterised in that：Described two piece second
In magnet steel, towards movable contact spring, the N poles are arranged on movable contact spring towards the second magnet steel of movable contact spring for the N poles of one of second magnet steel
Current direction right side, resist electronic between dynamic and static contact with using the Ampere force produced by the magnetic field of four blocks of magnet steel
Repulsion, increases the pressure between dynamic and static contact.
3. the arc extinguishing magnetic circuit of opposing according to claim 1/matching electrodynamic repulsion force, it is characterised in that：Described two piece second
In magnet steel, towards movable contact spring, the N poles are arranged on movable contact spring towards the second magnet steel of movable contact spring for the N poles of one of second magnet steel
Current direction left side, match with using the Ampere force produced by the magnetic field of four blocks of magnet steel electronic between dynamic and static contact
Repulsion, increases the separating force between dynamic and static contact.
4. the arc extinguishing magnetic circuit of the opposing according to claim 1 or 2 or 3/matching electrodynamic repulsion force, it is characterised in that：Described two
The second magnet steel of block is located at the middle of the length dimension of movable contact spring respectively.
5. a kind of DC relay, it is characterised in that：Including the arc extinguishing magnetic as described in any claim in Claims 1-4
Road.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510148073.XA CN104882336B (en) | 2015-03-31 | 2015-03-31 | A kind of arc extinguishing magnetic circuit and its DC relay of opposing/matching electrodynamic repulsion force |
| PCT/CN2016/077857 WO2016155624A1 (en) | 2015-03-31 | 2016-03-30 | Arc extinction magnetic circuit resisting/matching electro-dynamic repulsion force and dc relay thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510148073.XA CN104882336B (en) | 2015-03-31 | 2015-03-31 | A kind of arc extinguishing magnetic circuit and its DC relay of opposing/matching electrodynamic repulsion force |
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| Publication Number | Publication Date |
|---|---|
| CN104882336A CN104882336A (en) | 2015-09-02 |
| CN104882336B true CN104882336B (en) | 2017-04-05 |
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| CN201510148073.XA Active CN104882336B (en) | 2015-03-31 | 2015-03-31 | A kind of arc extinguishing magnetic circuit and its DC relay of opposing/matching electrodynamic repulsion force |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104882336B (en) |
| WO (1) | WO2016155624A1 (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882336B (en) * | 2015-03-31 | 2017-04-05 | 厦门宏发电力电器有限公司 | A kind of arc extinguishing magnetic circuit and its DC relay of opposing/matching electrodynamic repulsion force |
| 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 |
| CN107622917A (en) * | 2017-10-13 | 2018-01-23 | 三友联众集团股份有限公司 | A kind of electromagnetic relay |
| CN107749374A (en) * | 2017-11-02 | 2018-03-02 | 苏州安来强电子科技有限公司 | A kind of modified D.C. contactor arc extinguishing structure |
| CN109659199A (en) * | 2018-12-28 | 2019-04-19 | 厦门宏发电力电器有限公司 | It is a kind of arc extinguishing and the DC relay of short circuit current to be resistant to |
| 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 |
| CN109830405A (en) * | 2019-02-12 | 2019-05-31 | 厦门宏发电力电器有限公司 | A kind of arc extinguishing structure of high voltage direct current relay |
| CN109920704A (en) * | 2019-03-28 | 2019-06-21 | 浙江英洛华新能源科技有限公司 | Anti- Lorentz force relay |
| KR20230072768A (en) * | 2021-11-18 | 2023-05-25 | 엘에스일렉트릭(주) | Arc path former and direct current relay including the same |
| KR102640509B1 (en) * | 2021-11-18 | 2024-02-23 | 엘에스일렉트릭(주) | Arc path former and direct current relay including the same |
| KR102640537B1 (en) * | 2021-11-18 | 2024-02-23 | 엘에스일렉트릭(주) | Arc path former and direct current relay including the same |
| KR102640508B1 (en) * | 2021-11-18 | 2024-02-23 | 엘에스일렉트릭(주) | Arc path former and direct current relay including the same |
| KR102640507B1 (en) * | 2021-11-18 | 2024-02-23 | 엘에스일렉트릭(주) | Arc path former and direct current relay including the same |
| KR20230072771A (en) * | 2021-11-18 | 2023-05-25 | 엘에스일렉트릭(주) | Arc path former and direct current relay including the same |
| KR20230072769A (en) * | 2021-11-18 | 2023-05-25 | 엘에스일렉트릭(주) | Arc path former and direct current relay including the same |
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| CN102246250A (en) * | 2008-12-12 | 2011-11-16 | 泰科电子Amp有限责任公司 | Contact bridge with blow magnets |
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| CN104091726B (en) * | 2014-07-04 | 2017-02-15 | 厦门宏发电力电器有限公司 | Direct-current relay |
| CN104882336B (en) * | 2015-03-31 | 2017-04-05 | 厦门宏发电力电器有限公司 | A kind of arc extinguishing magnetic circuit and its DC relay of opposing/matching electrodynamic repulsion force |
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- 2015-03-31 CN CN201510148073.XA patent/CN104882336B/en active Active
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- 2016-03-30 WO PCT/CN2016/077857 patent/WO2016155624A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102246250A (en) * | 2008-12-12 | 2011-11-16 | 泰科电子Amp有限责任公司 | Contact bridge with blow magnets |
| CN102834891A (en) * | 2010-03-25 | 2012-12-19 | 松下电器产业株式会社 | Contact device |
| CN204558372U (en) * | 2015-03-31 | 2015-08-12 | 厦门宏发电力电器有限公司 | The arc extinguishing magnetic circuit of opposing/coupling electrodynamic repulsion force and direct current relay thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104882336A (en) | 2015-09-02 |
| WO2016155624A1 (en) | 2016-10-06 |
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