CN208970441U - High voltage direct current relay with magnet steel arc extinguishing - Google Patents
High voltage direct current relay with magnet steel arc extinguishing Download PDFInfo
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- CN208970441U CN208970441U CN201821905424.2U CN201821905424U CN208970441U CN 208970441 U CN208970441 U CN 208970441U CN 201821905424 U CN201821905424 U CN 201821905424U CN 208970441 U CN208970441 U CN 208970441U
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- contact spring
- barricade
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Abstract
The utility model 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.On the one hand the utility model, 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 utility model relates to DC relay technical field, more particularly to a kind of high voltage direct current with magnet steel arc extinguishing after
Electric appliance.
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.
Utility model content
The purpose of the utility model is to overcome the deficiency of the prior art, provide a kind of high voltage direct current with magnet steel arc extinguishing after
Electric appliance 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 and the stationary contact of static contact well contact；On the other hand, it can reduce the frictional force of movable contact spring motion process, with
And the creepage distance between two static contacts of extension, improve the pressure-resistant degree and insulation effect of product.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of high voltage direct current with magnet steel arc extinguishing after
Electric appliance, including a cover, two static contacts, a movable contact spring, one be used to push movable contact spring move promotion bar assembly and
Two blocks of magnet steel；The cover include a roof and four side walls, and from a roof and four side walls surround one be open to
Under 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,
The movable contact spring distinguishes movable contact set by movable contact spring both ends by pushing bar assembly movably to locate in the cavity
It is matched with stationary contact set by two static contact bottom ends, to realize that electric current is flowed into from a static contact, after movable contact spring, from
The outflow of another static contact；Two blocks of magnet steel are arranged respectively near contacts, and are formed and can allow the contact at movable contact spring both ends
The magnetic blow-out power at place is identical in the direction of rotation of the central point around movable contact spring；In the length corresponding to movable contact spring of cover
In two opposite the first side walls, on the one side for the length for corresponding to movable contact spring, one is respectively equipped with along vertical first gear
Wall, and in two the first barricades between at least one first barricade and movable contact spring in minim gap cooperate, with using this at least one
A first 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
One of those first barricade is collided, to guarantee the sky between movable contact spring and the side wall of cover with enough breaking arcs
Between, 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 utility model are:
1, two blocks of magnet steel are arranged respectively near contacts due to using by the utility model, and are formed and can be allowed movable contact spring
Magnetic blow-out power at the contact at both ends is identical in the direction of rotation of the central point around movable contact spring；Correspond to dynamic touching in cover
In two opposite the first side walls of the length of piece, on the one side for the length for corresponding to movable contact spring, one is respectively equipped with along perpendicular
To the first barricade, and between the first barricade of at least one of two first barricades and movable contact spring in minim gap cooperate.This
This structure of utility model can use the amplitude that the first barricade is rotated movable contact spring by magnetic blow-out power effect and carry out
Limit, is only capable of colliding with one of those the first barricade when rotating movable contact spring, to prevent movable contact spring rotation from causing stationary contact greatly
Point contact is bad, while guaranteeing the space between movable contact spring and the side wall of cover with enough breaking arcs, and increase by two
Creepage distance between static contact.
2, the utility model is due to using two opposite the first side walls in the length corresponding to movable contact spring of cover
In, in the another side for the length for corresponding to movable contact spring, one is respectively equipped with along the second vertical barricade, and two the second barricades
In between at least one second barricade and movable contact spring in larger gap cooperate, be only capable of when rotating movable contact spring and first barricade
It collides.The utility model can use increased second barricade and play the role of barrier, make the pollution of left and right switching load area
Object cannot gang up, to improve product resistance to pressure and insulation formedness.
3, the utility model limits movable contact spring due to using the first barricade, and no matter how movable contact spring rotates
One of them first barricade can only be touched, so as to reduce frictional force when movable contact spring moves up and down with promotion bar assembly.
4, the utility model cooperates between the first barricade and movable contact spring in minim gap due to using, the second barricade and dynamic
Cooperate between contact in larger gap, so that movable contact spring can only contact when rotating with a barricade, between two diagonal barricades not
Easily form conductive channel.
The utility model is described in further detail with reference to the accompanying drawings and embodiments；But a kind of band of the utility model
The high voltage direct current relay of magnet steel arc extinguishing is not limited to the embodiment.
Detailed description of the invention
Fig. 1 is the local structure schematic diagram of the embodiments of the present invention；
Fig. 2 is the cross-sectional view for looking up direction of the embodiments of the present invention；
Fig. 3 is cross-sectional view (inflow of left side stationary contact head current, the right side stationary contact of looking up direction of the embodiments of the present invention
Head current outflow)；
Fig. 4 is breaking arc space schematic diagram (the left side stationary contact head current for looking up direction of the embodiments of the present invention
It flows into, the outflow of right side stationary contact head current)；
Fig. 5 is cross-sectional view (inflow of right side stationary contact head current, the left side stationary contact of looking up direction of the embodiments of the present invention
Head current outflow)；
Fig. 6 is breaking arc space schematic diagram (the right side stationary contact head current for looking up direction of the embodiments of the present invention
It flows into, the outflow of left side stationary contact head current)；
Fig. 7 is the movable contact spring of the utility model and the schematic diagram (only two the first barricades) that barricade matches；
Fig. 8 is the movable contact spring of the utility model and schematic diagram (two the first barricades and a second gear that barricade matches
Wall)；
Fig. 9 is and product that barricade the matches pressure resistance and insulation effect schematic diagram of the movable contact spring of the embodiments of the present invention
(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 the movable contact spring of the embodiments of the present invention and product pressure resistance and insulation effect signal that barricade matches
Figure (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 embodiments of the present invention；
(two static contacts are connected with for product pressure resistance that Figure 14 is the embodiments of the present invention and insulation effect schematic diagram
Polar requirement, left side stationary contact head current flow into, the outflow of right side stationary contact head current)；
(two static contacts are connected with for product pressure resistance that Figure 15 is the embodiments of the present invention and insulation effect schematic diagram
Polar requirement, right side stationary contact head current flow 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 utility model, including one
1, two static contact of cover 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 magnetic
Steel 5, wherein push 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
It connects；The cover 1 includes a roof 11 and four side walls, and by a roof 11 and four side walls surrounds one Open Side Down
Cavity 10, movable contact spring 3 be straight piece type structure, be respectively equipped with movable contact at the both ends of the length of movable contact spring 3, the present embodiment is exactly
Using the position for being used to be in contact with static contact in the both ends of the length of movable contact spring 3 as movable contact, it is of course also possible to be in addition
Make individual movable contact part then again fixed to movable contact spring 3 length both ends corresponding position；Two static contacts 21,22
Bottom end be equipped with stationary contact, the present embodiment is also with being used to the position that is in contact with moving contact as quiet in the bottom end of static contact
Contact, 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；
In four side walls of cover 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 correspond 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 in the cavity 10, the movable contact spring 3 is by pushing bar assembly 4 is removable to be located 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
It realizes that 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 matched respectively
It sets 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 magnet steel
Height and position and movable contact spring 3 are substantially concordant or are lower than movable contact spring 3, and the present embodiment is low using the height and position of magnet steel to be arranged to
In 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,
Wherein, the magnet steel 5 corresponding to 21 this side of static contact, be the pole N in the upper pole S under, and correspond to 22 this side of static contact magnetic
Steel 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
It is used to place the placement section of magnet steel outside cover by other component setting, is configured by magnet steel, movable contact spring two can be allowed by foring
Magnetic blow-out power at the contact at end is identical in the direction of rotation of the central point around movable contact spring, as shown in figure 3, when electric current is by quiet
Contact 21 flows into, and when static contact 22 flows out, is formed by magnetic field M (including the magnetic field formed between two magnet steel by two magnet steel 5
The magnetic field respectively independently formed with two magnet steel) effect, long-range navigation magnetic force (i.e. magnetic blow-out power) F, two Lip rivers can be generated at contact
The direction of human relations magnetic force F be it is clockwise, movable contact spring 3 can be made to deflect clockwise, it is quiet as shown in figure 5, flowed out by static contact 21 when electric current
When contact 22 flows into, 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) can be generated at contact
F, 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
In two opposite the first side walls 12 of degree, on the one side for the length for corresponding to movable contact spring 3, one is respectively equipped with along vertical
First barricade 61, and cooperate between at least one first barricade and movable contact spring in minim gap in two the first barricades, to utilize
The amplitude that at least one first barricade is rotated movable contact spring by magnetic blow-out power effect limits, and rotates movable contact spring
When be only capable of colliding with one of those the first barricade, to guarantee have enough cuttings electric between movable contact spring and the side wall of cover
The space of arc, and increase the creepage distance between two static contacts.
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 utility model be also possible to only two the first barricades 61 and should not second gear wall 62 (as described in Figure 7),
It can also be that two the first barricades 61 add second barricade 62 (as described in Figure 8) again.
This structure of the utility model, movable contact spring 3 when rotated, can guarantee between movable contact spring 3 and the cavity wall of cavity
Distance, 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 the blocking of the first barricade 61 of one of the first side wall 12, movable contact spring 3 can not be deflected substantially, ensure that movable contact spring 3 and chamber
The distance between cavity wall of body, it is ensured that there is enough breaking arc spaces 63, as described in Figure 6, when movable contact spring 3 is by magnetic blow-out power F
Effect 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 substantially partially
Turn, to also ensure the distance between the cavity wall of movable contact spring 3 Yu cavity, it is ensured that there is enough breaking arc spaces 64.This
This structure of utility model keeps movable contact spring rotational steps smaller since the first barricade 61 is to the position-limiting action of movable contact spring 3, can
To prevent the stationary contact poor contact of the movable contact and static contact of stop contact 3.This structure of the utility model, passes through first gear
Limit of the wall 61 to movable contact spring 3, then no matter how movable contact spring 3, which rotates, can only touch one of them first barricade 61, so as to
To reduce frictional force when movable contact spring 3 moves up and down with promotion bar assembly 4.
As shown in Fig. 9 to Figure 12, this structure of the utility model makes the intracorporal copper of chamber under the action of long-range navigation magnetic force
Bits and foreign matter relatively concentrate on diagonal angle, so that the barricade of diagonal angle is easy metallization, if between four barricades and movable contact spring 3
In minim gap cooperation (as shown in Figure 10, Figure 12), movable contact spring 3 can contact when rotating with two barricades, when foreign matter accumulation is arrived
When to a certain degree, conductive channel is easily formed between two diagonal barricades, causes pressure resistance and the defective insulation of product, and this is practical
It is novel as between the second barricade 62 and movable contact spring 3 be in larger gap cooperation (as shown in Fig. 9, Figure 11), movable contact spring 3 rotate when only
It can be contacted with a barricade, be not easy to form conductive channel between two diagonal barricades.
As shown in figure 13, this structure of the utility model, because in cavity 10 plastic part and organic gas switching
By under the calcination of electric arc when load, pollutant is easily formed, two the first barricades 61 and two the second barricades 62 can play
The effect of barrier, the pollutant for generating left and right switching load area is from ganging up, to reduce the pressure resistance and insulation of product
Undesirable 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 utility model, is respectively configured using by two blocks of magnet steel 5
In near contacts, and formed can allow movable contact spring both ends contact at magnetic blow-out power in the rotation side of the central point around movable contact spring
To being 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
One side of 3 length is respectively equipped with one along the first vertical barricade 61, and at least one of two first barricades 61
Cooperate between one barricade and movable contact spring in minim gap.This structure of the utility model can use the first barricade 61 to dynamic touching
Piece is limited by the amplitude that is rotated of magnetic blow-out power effect, make movable contact spring 3 be only capable of when rotating with one of those first
Barricade 61 is collided, to prevent movable contact spring rotation from causing stationary contact poor contact greatly, while guaranteeing the side wall of movable contact spring and cover
Between with enough breaking arcs space, and increase by two static contacts between creepage distance.
A kind of high voltage direct current relay with magnet steel arc extinguishing of the utility model corresponds to dynamic touching using in cover 1
In the opposite the first side wall 12 of two of the length of piece, in the another side for the length for corresponding to movable contact spring 3, it is respectively equipped with an edge
The second vertical barricade 62, and match between at least one second barricade and movable contact spring in larger gap in two the second barricades 62
It closes, is only capable of colliding with first barricade 61 when rotating movable contact spring.The utility model can use increased second barricade and rise
To the effect of barrier, prevent the pollutant of left and right switching load area from ganging up, to improve product resistance to pressure and insulation well
Property.
The preferred embodiment of above-mentioned only the utility model, does not impose any limitation on the present invention.Though
So the utility model has been disclosed with preferred embodiment as above, however is not intended to limit the utility model.It is any to be familiar with this field
Technical staff, in the case where not departing from technical solutions of the utility model range, all using the technology contents of the disclosure above
Many possible changes and modifications are made to technical solutions of the utility model, or are revised as equivalents equivalent embodiment.Therefore,
All contents without departing from technical solutions of the utility model, according to the utility model technical spirit made to the above embodiment
What simple modification, equivalent variation and modification should all be fallen in the range of technical solutions of the utility model 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 |
|---|---|---|---|
| CN201821905424.2U CN208970441U (en) | 2018-11-19 | 2018-11-19 | High voltage direct current relay with magnet steel arc extinguishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821905424.2U CN208970441U (en) | 2018-11-19 | 2018-11-19 | High voltage direct current relay with magnet steel arc extinguishing |
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| Publication Number | Publication Date |
|---|---|
| CN208970441U true CN208970441U (en) | 2019-06-11 |
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| CN201821905424.2U Active CN208970441U (en) | 2018-11-19 | 2018-11-19 | High voltage direct current relay with magnet steel arc extinguishing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473317A (en) * | 2018-11-19 | 2019-03-15 | 浙江宏舟新能源科技有限公司 | A kind of high voltage direct current relay with magnet steel arc extinguishing |
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2018
- 2018-11-19 CN CN201821905424.2U patent/CN208970441U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473317A (en) * | 2018-11-19 | 2019-03-15 | 浙江宏舟新能源科技有限公司 | A kind of high voltage direct current relay with magnet steel arc extinguishing |
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