CN109473317A - A kind of high voltage direct current relay with magnet steel arc extinguishing - Google Patents
A kind of high voltage direct current relay with magnet steel arc extinguishing Download PDFInfo
- Publication number
- CN109473317A CN109473317A CN201811374945.4A CN201811374945A CN109473317A CN 109473317 A CN109473317 A CN 109473317A CN 201811374945 A CN201811374945 A CN 201811374945A CN 109473317 A CN109473317 A CN 109473317A
- Authority
- CN
- China
- Prior art keywords
- movable contact
- contact spring
- barricade
- magnet steel
- barricades
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 53
- 239000010959 steel Substances 0.000 title claims abstract description 53
- 230000003068 static effect Effects 0.000 claims abstract description 60
- 230000000694 effects Effects 0.000 claims abstract description 20
- 238000009413 insulation Methods 0.000 claims abstract description 16
- 239000003344 environmental pollutant Substances 0.000 claims description 6
- 231100000719 pollutant Toxicity 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 12
- 230000002950 deficient Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010057855 Hypotelorism of orbit Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
- H01H50/641—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement
Abstract
The invention discloses a kind of high voltage direct current relays with magnet steel arc extinguishing, including a cover, two static contacts, a movable contact spring, a promotion bar assembly for being used to that movable contact spring is pushed to move and two blocks of magnet steel；Two blocks of magnet steel are arranged respectively near contacts, and formed can allow movable contact spring both ends contact at magnetic blow-out power in the direction of rotation of the central point around movable contact spring be identical；In two opposite the first side walls of the length corresponding to movable contact spring of cover, on the one side for the length for corresponding to movable contact spring, one is respectively equipped with along the first vertical barricade, and is cooperated between at least one first barricade and movable contact spring in minim gap in two the first barricades.One aspect of the present invention can guarantee the sufficient space in cavity with breaking arc, and guarantee the movable contact of movable contact spring and well contacting for the stationary contact of static contact；On the other hand, it can reduce the frictional force of movable contact spring motion process, and extend the creepage distance between two static contacts, improve the pressure-resistant degree and insulation effect of product.
Description
Technical field
The present invention relates to DC relay technical fields, more particularly to a kind of high voltage direct current relay with magnet steel arc extinguishing
Device.
Background technique
Relay is a kind of electronic control device, it have control system (also known as input circuit) and by control system (again
Claim output loop), it is usually applied in automatic control circuit, it is actually to go the one of control larger current with lesser electric current
Kind " automatic switch ".Therefore the effects of playing automatic adjustment, safeguard protection, conversion circuit in circuit.
DC relay is one of relay, and a kind of DC relay of the prior art is using movable contact spring Direct Action Type
(also referred to as solenoid Direct Action Type) scheme, the contact part of the DC relay include two static contacts and a dynamic component, are moved
Component includes dynamic spring part and pushes bar assembly, and dynamic spring part is made of the movable contact of movable contact spring and movable contact spring both ends, movable contact spring
Usually straight chip type pushes bar assembly to generally include the catch bar for pushing movable contact spring mobile.High voltage direct current relay conduct
One of DC relay, it usually needs there is preferable arc extinguishing ability, the mode of arc extinguishing is will be dynamic and static using a cover
Contact is contained in a cavity, and is configured to the magnet steel of arc extinguishing in containment portion, the magnetic place forming generated by magnet steel
Magnetic blow-out power realizes arc extinguishing.This high voltage direct current relay with magnet steel arc extinguishing of the prior art, is primarily present as following drawbacks:
1, since the magnetic place forming magnetic blow-out power that magnet steel generates will cause movable contact spring rotation, and movable contact spring is when rotated, meeting
Close to the side wall of cavity, the hypotelorism for causing movable contact spring and cavity wall can not provide the sufficient space of breaking arc；
2, movable contact spring when rotated, if rotational steps are excessive, easily causes the movable contact of movable contact spring and the stationary contact of static contact
The problem of poor contact；
3, movable contact spring when rotated, easily encounters the side wall of cavity, causes movable contact spring when carrying out vertical motion with catch bar,
Biggish frictional force is formed, the stability of relay is influenced；
4, in the space of cavity, when foreign matter heaps to a certain extent, there is product pressure resistance deficiency and defective insulations
Risk.
Summary of the invention
It is an object of the invention to overcome the deficiency of the prior art, provides a kind of high voltage direct current relay with magnet steel arc extinguishing
Device is improved by structure, on the one hand, can be guaranteed the sufficient space in cavity with breaking arc, and be guaranteed movable contact spring
Movable contact is well contacted with the stationary contact of static contact；On the other hand, it can reduce the frictional force of movable contact spring motion process, and
Extend the creepage distance between two static contacts, improves the pressure-resistant degree and insulation effect of product.
The technical solution adopted by the present invention to solve the technical problems is: a kind of high voltage direct current relay with magnet steel arc extinguishing
Device, including a cover, two static contacts, a movable contact spring, a promotion bar assembly and two for being used to that movable contact spring is pushed to move
Block magnet steel；The cover includes a roof and four side walls, and by a roof and four side walls surrounds one Open Side Down
Cavity；Described two static contacts are each passed through the roof of cover, and make the bottom ends of two static contacts in the cavity, institute
State movable contact spring by push bar assembly movably locate in the cavity, and make movable contact set by movable contact spring both ends respectively with
Stationary contact set by two static contact bottom ends matches, to realize that electric current is flowed into from a static contact, after movable contact spring, from another
One static contact outflow；Two blocks of magnet steel are arranged respectively near contacts, and formed can allow movable contact spring both ends contact at
Magnetic blow-out power in the direction of rotation of central point around movable contact spring be identical；The two of the length corresponding to movable contact spring of cover
In a opposite the first side wall, on the one side for the length for corresponding to movable contact spring, it is respectively equipped with one along the first vertical barricade,
And cooperate between at least one first barricade and movable contact spring in minim gap in two the first barricades, with using this at least one the
One barricade is limited movable contact spring by the amplitude that is rotated of magnetic blow-out power effect, be only capable of when rotating movable contact spring with wherein
First barricade collide, thus guarantee between movable contact spring and the side wall of cover with enough breaking arcs space, and
Increase the creepage distance between two static contacts.
First barricade is located at the center of length of the movable contact on one side of the length corresponding to movable contact spring to movable contact spring
Between line.
When being connected with polar requirement when two static contacts, and making fixed by the current direction of movable contact spring, two the
One of them first barricade in one barricade and cooperate between movable contact spring in minim gap, and at one of them described first barricade
In the first side wall corresponding to the forward direction of the magnetic blow-out power；Or two the first barricades are in small between movable contact spring
Gap cooperation.
When the nonpolarity requirement of the connection of two static contacts, and when to be not fixed by the current direction of movable contact spring, two
First barricade cooperates between movable contact spring in minim gap.
In two opposite the first side walls of the length corresponding to movable contact spring of cover, in the length for corresponding to movable contact spring
Another side, be respectively equipped with one along the second vertical barricade, and at least one second barricade and dynamic in two the second barricades
Cooperate between contact in larger gap, be only capable of colliding with one of those the first barricade when rotating movable contact spring, with using this
Two barricades increase the creepage distance between two static contacts, and improve product resistance to pressure and insulation formedness.
Second barricade is located at the movable contact of the another side of the length corresponding to movable contact spring into the length of movable contact spring
Between heart line.
When being connected with polar requirement when two static contacts, and making fixed by the current direction of movable contact spring, two the
One of them second barricade in two barricades and cooperate between movable contact spring in larger gap, and at one of them described second barricade
In the first side wall corresponding to the forward direction of the magnetic blow-out power；Or two the second barricades are in larger between movable contact spring
Gap cooperation.
When the nonpolarity requirement of the connection of two static contacts, and when to be not fixed by the current direction of movable contact spring, two
Second barricade cooperates between movable contact spring in larger gap.
Two blocks of magnet steel are arranged respectively at the outside at the both ends of the length corresponding to movable contact spring, and the polarity of two blocks of magnet steel is in
Distribution up and down, and the polarity of two blocks of magnet steel is opposite direction setting.
Compared with prior art, the beneficial effects of the present invention are:
1, two blocks of magnet steel are arranged respectively near contacts due to using by the present invention, and are formed and can be allowed movable contact spring both ends
Contact at magnetic blow-out power in the direction of rotation of central point around movable contact spring be identical；Correspond to movable contact spring in cover
In two opposite the first side walls of length, on the one side for the length for corresponding to movable contact spring, one is respectively equipped with along vertical
First barricade, and cooperate between the first barricade of at least one of two first barricades and movable contact spring in minim gap.The present invention
This structure can use the first barricade movable contact spring limited by the amplitude that is rotated of magnetic blow-out power effect, make
Contact is only capable of colliding with one of those the first barricade when rotating, to prevent movable contact spring rotation from causing stationary contact point contact not greatly
It is good, while guaranteeing the space between movable contact spring and the side wall of cover with enough breaking arcs, and increase by two static contacts it
Between creepage distance.
2, of the invention due to using in two opposite the first side walls of the length corresponding to movable contact spring of cover,
The another side of length corresponding to movable contact spring is respectively equipped with one along the second vertical barricade, and in two the second barricades extremely
Cooperate between few second barricade and movable contact spring in larger gap, is only capable of when rotating movable contact spring and a first barricade phase
It touches.The present invention can use increased second barricade and play the role of barrier, prevent left and right switching load area pollutant from
It gangs up, to improve product resistance to pressure and insulation formedness.
3, the present invention limits movable contact spring due to using the first barricade, and no matter how movable contact spring rotates also can only
One of them first barricade is touched, so as to reduce frictional force when movable contact spring moves up and down with promotion bar assembly.
4, the present invention cooperates between the first barricade and movable contact spring in minim gap due to using, the second barricade and movable contact spring
Between in larger gap cooperate so that movable contact spring rotate when can only be contacted with a barricade, be not easy shape between two diagonal barricades
At conductive channel.
Invention is further described in detail with reference to the accompanying drawings and embodiments；But a kind of band magnet steel arc extinguishing of the invention
High voltage direct current relay be not limited to the embodiment.
Detailed description of the invention
Fig. 1 is the local structure schematic diagram of the embodiment of the present invention；
Fig. 2 is the cross-sectional view for looking up direction of the embodiment of the present invention；
Fig. 3 is cross-sectional view (inflow of left side stationary contact head current, the right side static contact electricity of looking up direction of the embodiment of the present invention
Stream outflow)；
Fig. 4 be the embodiment of the present invention look up direction breaking arc space schematic diagram (left side stationary contact head current flow into,
Right side stationary contact head current outflow)；
Fig. 5 is cross-sectional view (inflow of right side stationary contact head current, the left side static contact electricity of looking up direction of the embodiment of the present invention
Stream outflow)；
Fig. 6 be the embodiment of the present invention look up direction breaking arc space schematic diagram (right side stationary contact head current flow into,
Left side stationary contact head current outflow)；
Fig. 7 is the schematic diagram (only two the first barricades) that movable contact spring of the invention is matched with barricade；
Fig. 8 is the schematic diagram (two the first barricades and second barricade) that movable contact spring of the invention is matched with barricade；
Fig. 9 is that the movable contact spring of the embodiment of the present invention and the pressure resistance of product that barricade matches and insulation effect schematic diagram are (left
Side stationary contact head current flows into, the outflow of right side stationary contact head current)；
Figure 10 is product pressure resistance and insulation effect schematic diagram (inflow of left side stationary contact head current, the right side static contact of comparative example
Electric current outflow)；
Figure 11 is that the movable contact spring of the embodiment of the present invention and the pressure resistance of product that barricade matches and insulation effect schematic diagram are (right
Side stationary contact head current flows into, the outflow of left side stationary contact head current)；
Figure 12 is product pressure resistance and insulation effect schematic diagram (inflow of right side stationary contact head current, the left side static contact of comparative example
Electric current outflow)；
Figure 13 is the pollutant isolation effect schematic diagram of the embodiment of the present invention；
Figure 14 is the product pressure resistance and insulation effect schematic diagram (the connection polarized of two static contacts of the embodiment of the present invention
It is required that left side stationary contact head current flows into, the outflow of right side stationary contact head current)；
Figure 15 is the product pressure resistance and insulation effect schematic diagram (the connection polarized of two static contacts of the embodiment of the present invention
It is required that right side stationary contact head current flows into, the outflow of left side stationary contact head current).
Specific embodiment
Embodiment
Referring to shown in Fig. 1 to Figure 15, a kind of high voltage direct current relay with magnet steel arc extinguishing of the invention, including a cover
1, two static contact 21,22, one movable contact spring 3, the one promotion bar assemblies 4 for being used to that movable contact spring is pushed to move and two blocks of magnet steel 5,
Wherein, it pushes one end of bar assembly 4 to match with movable contact spring 3, the other end of bar assembly 4 is pushed to be connected with magnetic circuit part；Institute
Stating cover 1 includes a roof 11 and four side walls, and surrounds the chamber that Open Side Down by a roof 11 and four side walls
Body 10, movable contact spring 3 are straight piece type structure, are respectively equipped with movable contact at the both ends of the length of movable contact spring 3, the present embodiment is exactly to utilize
The position for being used to be in contact with static contact in the both ends of the length of movable contact spring 3 is as movable contact, it is of course also possible to be in addition to make
Individual movable contact part is then fixed to the corresponding position at the both ends of the length of movable contact spring 3 again；The bottom of two static contacts 21,22
End is equipped with stationary contact, and the present embodiment is also with the position for being used to be in contact with moving contact in the bottom end of static contact as stationary contact
Point, it is of course also possible to be the corresponding position in addition making the bottom end that individual stationary contact part is then fixed to static contact again；Cover
In four side walls of body 1, the opposite the first side wall 12 of two of them corresponds to the length of movable contact spring 3, other two is opposite
Second sidewall 13 corresponds to the width of movable contact spring 3；Described two static contacts 21,22 are each passed through the roof 11 of cover 1, and make
The bottom end of two static contacts 21,22 is in the cavity 10, and the movable contact spring 3 is by pushing bar assembly 4 to be movably in
In the cavity 10, and match the movable contact at 3 both ends of movable contact spring with the stationary contact of two static contacts 21,22 respectively, with reality
Existing electric current is flowed into from a static contact, after movable contact spring 3, is flowed out from another static contact；Two blocks of magnet steel 5 are respectively configured
In near contacts, two blocks of magnet steel 5 are arranged respectively at the outside at the both ends of the length corresponding to movable contact spring 3, and the height of magnet steel
It is substantially concordant or lower than movable contact spring 3 to spend position and movable contact spring 3, the present embodiment is to use to be arranged to be lower than by the height and position of magnet steel
The upper surface of movable contact spring 3, the polarity of two blocks of magnet steel 5 is in distribution up and down, and the polarity of two blocks of magnet steel 5 is opposite direction setting,
In, corresponding to the magnet steel 5 of 21 this side of static contact, be the pole N in the upper pole S under, and correspond to the magnet steel of 22 this side of static contact
5, be the pole S in the upper pole N under；The present embodiment is the placed cavity for being directly constructed for placing magnet steel on cover, can also be in cover
It is external to be arranged by other component for placing the placement section of magnet steel, it is configured by magnet steel, movable contact spring both ends can be allowed by foring
Contact at magnetic blow-out power in the direction of rotation of central point around movable contact spring be identical, as shown in figure 3, when electric current is by stationary contact
First 21 flow into, when static contact 22 flows out, by two magnet steel 5 be formed by magnetic field M (including the magnetic field that is formed between two magnet steel and
The magnetic field that two magnet steel respectively independently form) effect, long-range navigation magnetic force (i.e. magnetic blow-out power) F, two long-range navigations can be generated at contact
The direction of magnetic force F be it is clockwise, movable contact spring 3 can be made to deflect clockwise, as shown in figure 5, being flowed out by static contact 21 when electric current, stationary contact
When first 22 inflow, it is formed by the effect of magnetic field M by two magnet steel 5, long-range navigation magnetic force (i.e. magnetic blow-out power) F can be generated at contact,
The direction of two long-range navigation magnetic force F be it is counterclockwise, can make movable contact spring 3 counterclockwise deflect；In the length corresponding to movable contact spring of cover 1
Two opposite the first side walls 12 in, on the one side for the length for corresponding to movable contact spring 3, be respectively equipped with one along vertical the
One barricade 61, and cooperate between at least one first barricade and movable contact spring in minim gap in two the first barricades, it is somebody's turn to do with utilizing
The amplitude that at least one first barricade is rotated movable contact spring by magnetic blow-out power effect limits, when rotating movable contact spring
It is only capable of colliding with one of those the first barricade, to guarantee that there is enough breaking arcs between movable contact spring and the side wall of cover
Space, and increase by two static contacts between creepage distance.
The present embodiment is cooperated between movable contact spring 3 in minim gap using two the first barricades 61.
In the present embodiment, first barricade 61 is located at the movable contact on one side of the length corresponding to movable contact spring 3 to dynamic touching
Between the center line of the length of piece.
In the present embodiment, in two opposite the first side walls 12 of the length corresponding to movable contact spring 3 of cover 1, right
One should be respectively equipped with along the second vertical barricade 62, and in two the second barricades extremely in the another side of the length of movable contact spring 3
Cooperate between few second barricade and movable contact spring in larger gap, make movable contact spring 3 be only capable of when rotating with one of those first
Barricade is collided, and to increase the creepage distance between two static contacts using second barricade, and improves product resistance to pressure and insulation
Formedness.
The present embodiment is cooperated between movable contact spring 3 in larger gap using two the second barricades 62.
In the present embodiment, second barricade 62 is located at the movable contact of the another side of the length corresponding to movable contact spring 3 to dynamic
Between the center line of the length of contact.
The present embodiment is that four barricades, i.e. two first gear are provided in two opposite the first side walls 12 of cover 1
Wall 61 and two the second barricades 62, that is, have first barricade 61 and second barricade in each the first side wall 12
62。
Certainly, the present invention be also possible to only two the first barricades 61 and should not second gear wall 62 (as described in Figure 7), may be used also
To be that two the first barricades 61 add second barricade 62 (as described in Figure 8) again.
This structure of the invention, movable contact spring 3 when rotated, can guarantee between movable contact spring 3 and the cavity wall of cavity away from
From to ensure the space of breaking arc, as described in Figure 4, when movable contact spring 3 is rotated clockwise by the effect of magnetic blow-out power F, by it
In a first side wall 12 the first barricade 61 blocking, movable contact spring 3 can not deflect substantially, ensure that movable contact spring 3 and cavity
The distance between cavity wall, it is ensured that there is enough breaking arc spaces 63, as described in Figure 6, when movable contact spring 3 is by the work of magnetic blow-out power F
With and when rotating counterclockwise, by the blocking of the first barricade 61 of another the first side wall 12, movable contact spring 3 also can not be deflected substantially,
To also ensure the distance between the cavity wall of movable contact spring 3 Yu cavity, it is ensured that have enough breaking arc spaces 64.The present invention
This structure keep movable contact spring rotational steps smaller since the first barricade 61 is to the position-limiting action of movable contact spring 3, can anti-stop
The stationary contact poor contact of the movable contact and static contact of contact 3.This structure of the invention, by the first barricade 61 to movable contact spring
3 limit, then no matter how movable contact spring 3, which rotates, can only touch one of them first barricade 61, so as to reduce movable contact spring 3
With frictional force when bar assembly 4 being pushed to move up and down.
As shown in Fig. 9 to Figure 12, this structure of the invention, under the action of long-range navigation magnetic force, make the intracorporal copper scale of chamber and
Foreign matter relatively concentrates on diagonal angle, so that the barricade of diagonal angle is easy metallization, if being between four barricades and movable contact spring 3
Minim gap cooperates (as shown in Figure 10, Figure 12), and movable contact spring 3 can contact when rotating with two barricades, when foreign matter is accumulated to certain
When degree, easily form conductive channel between two diagonal barricades, cause pressure resistance and the defective insulation of product, and the present invention due to
In larger gap cooperation (as shown in Fig. 9, Figure 11) between second barricade 62 and movable contact spring 3, movable contact spring 3 only can be with one when rotating
Barricade contacts, and is not easy to form conductive channel between two diagonal barricades.
As shown in figure 13, this structure of the invention, because in cavity 10 plastic part and organic gas switching load
When by under the calcination of electric arc, easily formation pollutant, two the first barricades 61 and two the second barricades 62 can play barrier
Effect, prevent left and right switching load area generate pollutant from ganging up, to reduce pressure resistance and the defective insulation of product
Risk.
The present embodiment is to use four barricades, wherein two the first barricades 61 are in minim gap between movable contact spring 3
Cooperation, two the second barricades 62 cooperate between movable contact spring 3 in larger gap.This structure, both can be adapted for two it is quiet
Requirement that the connection of contact is nonpolarity, at this point, be fixed by the current direction of movable contact spring 3, such as it is fixed by static contact 21
It flows into, the outflow of static contact 22, or what is fixed are flowed by static contact 22, and static contact 21 flows out.Its in two the second barricades
In cooperate between second barricade and movable contact spring in larger gap, and one of them described second barricade is in the magnetic blow-out power
Forward direction corresponding in the first side wall, and another second barricade can be using being in minim gap between movable contact spring 3
Cooperate (as shown in Figure 14, Figure 15).
It is of course also possible to match by one of them first barricade in two the first barricades and between movable contact spring in minim gap
It closes, and one of them described first barricade is in the first side wall corresponding to the forward direction of the magnetic blow-out power；And another
First barricade can cooperate using between movable contact spring 3 in larger gap.
A kind of high voltage direct current relay with magnet steel arc extinguishing of the invention, is arranged respectively at touching using by two blocks of magnet steel 5
Point nearby, and formed can allow movable contact spring both ends contact at magnetic blow-out power be in the direction of rotation of central point for surrounding movable contact spring
It is identical；In two opposite the first side walls 12 of the length corresponding to movable contact spring of cover 1, corresponding to movable contact spring 3
One side of length is respectively equipped with one along the first vertical barricade 61, and at least one of two first barricades 61 first
Cooperate between barricade and movable contact spring in minim gap.This structure of the invention can use the first barricade 61 to movable contact spring by institute
It states the amplitude that the effect of magnetic blow-out power is rotated to be limited, is only capable of movable contact spring 3 and one of those the first barricade 61 when rotating
It collides, to prevent movable contact spring rotation from causing stationary contact poor contact greatly, while guaranteeing have between movable contact spring and the side wall of cover
There is the space of enough breaking arcs, and increases the creepage distance between two static contacts.
A kind of high voltage direct current relay with magnet steel arc extinguishing of the invention corresponds to movable contact spring using in cover 1
In the opposite the first side wall 12 of two of length, in the another side for the length for corresponding to movable contact spring 3, one is respectively equipped with along perpendicular
To the second barricade 62, and in two the second barricades 62 between at least one second barricade and movable contact spring in larger gap cooperate,
It is only capable of colliding with first barricade 61 when rotating movable contact spring.The present invention can use increased second barricade and play barrier
Effect prevents the pollutant of left and right switching load area from ganging up, to improve product resistance to pressure and insulation formedness.
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 (9)
1. a kind of high voltage direct current relay with magnet steel arc extinguishing, including a cover, two static contacts, a movable contact spring, one
For the promotion bar assembly for pushing movable contact spring to move and two blocks of magnet steel；The cover include a roof and four side walls, and by
One roof and four side walls surround the cavity that Open Side Down；Described two static contacts are each passed through the roof of cover, and
Make the bottom ends of two static contacts in the cavity, the movable contact spring is by pushing bar assembly to be movably in the cavity
It is interior, and match movable contact set by movable contact spring both ends with stationary contact set by two static contact bottom ends respectively, to realize electricity
Stream is flowed into from a static contact, after movable contact spring, is flowed out from another static contact；It is characterized by: two blocks of magnet steel point
Be positioned respectively near contacts, and formed can allow movable contact spring both ends contact at magnetic blow-out power in the central point around movable contact spring
Direction of rotation is identical；It is dynamic corresponding in two opposite the first side walls of the length corresponding to movable contact spring of cover
One side of the length of contact is respectively equipped with one along the first vertical barricade, and in two the first barricades at least one first
Cooperate between barricade and movable contact spring in minim gap, to utilize at least one first barricade to movable contact spring by the magnetic blow-out masterpiece
It is limited with the amplitude rotated, is only capable of colliding with one of those the first barricade when rotating movable contact spring, to guarantee
Between movable contact spring and the side wall of cover with enough breaking arcs space, and increase by two static contacts between climb electricity away from
From.
2. the high voltage direct current relay according to claim 1 with magnet steel arc extinguishing, it is characterised in that: first barricade is set
Between the center line of the movable contact to the length of movable contact spring on the one side for the length for corresponding to movable contact spring.
3. the high voltage direct current relay according to claim 1 with magnet steel arc extinguishing, it is characterised in that: when two static contacts
When being connected with polar requirement, and making fixed by the current direction of movable contact spring, in two the first barricades one of them first
Cooperate between barricade and movable contact spring in minim gap, and one of them described first barricade is in the forward direction of the magnetic blow-out power
In corresponding the first side wall；Or two the first barricades cooperate between movable contact spring in minim gap.
4. the high voltage direct current relay according to claim 1 with magnet steel arc extinguishing, it is characterised in that: when two static contacts
When connecting nonpolarity requirement, and to be not fixed by the current direction of movable contact spring, two the first barricades are between movable contact spring
Cooperate in minim gap.
5. with the high voltage direct current relay of magnet steel arc extinguishing described according to claim 1 or 3 or 4, it is characterised in that: in cover
In two opposite the first side walls of the length corresponding to movable contact spring, in the another side for the length for corresponding to movable contact spring, set respectively
Have one along the second vertical barricade, and in two the second barricades between at least one second barricade and movable contact spring between larger
Gap cooperation, is only capable of colliding with one of those the first barricade when rotating movable contact spring, to play barrier using second barricade
Effect prevents the pollutant of left and right switching load area from ganging up, to improve product resistance to pressure and insulation formedness.
6. the high voltage direct current relay according to claim 5 with magnet steel arc extinguishing, it is characterised in that: second barricade is set
Between center line of the movable contact to the length of movable contact spring of the another side for the length for corresponding to movable contact spring.
7. the high voltage direct current relay according to claim 5 with magnet steel arc extinguishing, it is characterised in that: when two static contacts
When being connected with polar requirement, and making fixed by the current direction of movable contact spring, in two the second barricades one of them second
Cooperate between barricade and movable contact spring in larger gap, and one of them described second barricade is in the forward direction of the magnetic blow-out power
In corresponding the first side wall；Or two the second barricades cooperate between movable contact spring in larger gap.
8. the high voltage direct current relay according to claim 5 with magnet steel arc extinguishing, it is characterised in that: when two static contacts
When connecting nonpolarity requirement, and to be not fixed by the current direction of movable contact spring, two the second barricades are between movable contact spring
Cooperate in larger gap.
9. the high voltage direct current relay according to claim 1 with magnet steel arc extinguishing, it is characterised in that: two blocks of magnet steel point
It is positioned respectively at the outside at the both ends of the length corresponding to movable contact spring, the polarity of two blocks of magnet steel is in distribution up and down, and two blocks of magnet steel
Polarity is opposite direction setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811374945.4A CN109473317A (en) | 2018-11-19 | 2018-11-19 | A kind of high voltage direct current relay with magnet steel arc extinguishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811374945.4A CN109473317A (en) | 2018-11-19 | 2018-11-19 | A kind of high voltage direct current relay with magnet steel arc extinguishing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109473317A true CN109473317A (en) | 2019-03-15 |
Family
ID=65672807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811374945.4A Pending CN109473317A (en) | 2018-11-19 | 2018-11-19 | A kind of high voltage direct current relay with magnet steel arc extinguishing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109473317A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111508779A (en) * | 2020-04-30 | 2020-08-07 | 西安交通大学 | Contact structure of medium-frequency contactor, contactor and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426687A (en) * | 2013-08-14 | 2013-12-04 | 厦门宏发电声股份有限公司 | Clapper-type electromagnetic relay |
| CN103515153A (en) * | 2013-08-07 | 2014-01-15 | 浙江宏舟新能源科技有限公司 | Reliable arcing system of non-polarity high-voltage direct current contactor |
| CN104143771A (en) * | 2014-08-04 | 2014-11-12 | 南通星宇电气有限公司 | High-voltage switch board |
| WO2015000344A1 (en) * | 2013-07-05 | 2015-01-08 | 厦门宏发电力电器有限公司 | Framework of relay and relay |
| CN107871644A (en) * | 2017-09-29 | 2018-04-03 | 浙江宏舟新能源科技有限公司 | The HVDC relay and its assembly method of a kind of high creep age distance |
| CN108321032A (en) * | 2018-03-13 | 2018-07-24 | 厦门宏发电声股份有限公司 | A kind of movable contact spring and its safety relay for safety relay |
| CN208970441U (en) * | 2018-11-19 | 2019-06-11 | 浙江宏舟新能源科技有限公司 | High voltage direct current relay with magnet steel arc extinguishing |
-
2018
- 2018-11-19 CN CN201811374945.4A patent/CN109473317A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015000344A1 (en) * | 2013-07-05 | 2015-01-08 | 厦门宏发电力电器有限公司 | Framework of relay and relay |
| CN103515153A (en) * | 2013-08-07 | 2014-01-15 | 浙江宏舟新能源科技有限公司 | Reliable arcing system of non-polarity high-voltage direct current contactor |
| CN103426687A (en) * | 2013-08-14 | 2013-12-04 | 厦门宏发电声股份有限公司 | Clapper-type electromagnetic relay |
| CN104143771A (en) * | 2014-08-04 | 2014-11-12 | 南通星宇电气有限公司 | High-voltage switch board |
| CN107871644A (en) * | 2017-09-29 | 2018-04-03 | 浙江宏舟新能源科技有限公司 | The HVDC relay and its assembly method of a kind of high creep age distance |
| CN108321032A (en) * | 2018-03-13 | 2018-07-24 | 厦门宏发电声股份有限公司 | A kind of movable contact spring and its safety relay for safety relay |
| CN208970441U (en) * | 2018-11-19 | 2019-06-11 | 浙江宏舟新能源科技有限公司 | High voltage direct current relay with magnet steel arc extinguishing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111508779A (en) * | 2020-04-30 | 2020-08-07 | 西安交通大学 | Contact structure of medium-frequency contactor, contactor and method |
| CN111508779B (en) * | 2020-04-30 | 2021-05-28 | 西安交通大学 | Contact structure of medium-frequency contactor, contactor and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104603897B (en) | Direct current arc-extinguish chamber and its single bidirectional, dc electric switch equipment of use | |
| CN105551881B (en) | Vacuum interrupter, vacuum arc-extinguishing chamber contact and direct current vacuum circuit breaker | |
| CN109473317A (en) | A kind of high voltage direct current relay with magnet steel arc extinguishing | |
| US10727008B2 (en) | Contact device for an electrical switch, and electrical switch | |
| CN103430265B (en) | Contact component and the vacuum interrupter including this contact component including the beads being intentionally introduced into | |
| CN104599915A (en) | Bi-directional direct current electrical switching apparatus including small permanent magnets on ferro magnetic side members and one set of arc splitter plat | |
| WO2021129738A1 (en) | Breaker, breaker assembly, and contactor | |
| CN108777241A (en) | Contactor for the explosion chamber of contactor and for eliminating electric arc | |
| CN103843097A (en) | Vacuum switch and hybrid switch assembly therefor | |
| CN208970441U (en) | High voltage direct current relay with magnet steel arc extinguishing | |
| JP2013242977A (en) | Switch | |
| US9508500B2 (en) | Contactor-circuit breaker device | |
| CN109300742A (en) | A kind of arc quenching system of D.C. contactor | |
| CN105529218A (en) | Relay drive mechanism and relay | |
| CN207896004U (en) | Electrical contact system | |
| CN206098278U (en) | A double break mouth formula vacuum circuit breaker for 66KV | |
| EP3913647B1 (en) | A switch system | |
| CN108417450A (en) | Single-break direct-acting contactor | |
| CN102097234B (en) | Permanent-magnet magnetic blowing effect-based travel switch | |
| EP3905291A1 (en) | New design of splitter plate holder for application in medium voltage gas insulated load break switches | |
| CN104272417A (en) | Arc-jump circuit breaker and method of circuit breaking | |
| EP3905292A1 (en) | New design of splitter plate holder for application in medium voltage gas insulated load break switches | |
| CN205900418U (en) | Rotation type double break mouth load switch | |
| CN108987141A (en) | Electrical contact system | |
| CN102315055B (en) | Structure for reducing flashover length of moulded case circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |