CN205881821U - A clapper -type electromagnetic relay for high voltage direct current - Google Patents
A clapper -type electromagnetic relay for high voltage direct current Download PDFInfo
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- CN205881821U CN205881821U CN201620618275.6U CN201620618275U CN205881821U CN 205881821 U CN205881821 U CN 205881821U CN 201620618275 U CN201620618275 U CN 201620618275U CN 205881821 U CN205881821 U CN 205881821U
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- movable contact
- conducting strip
- contact spring
- clapper
- electromagnetic relay
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Abstract
The utility model discloses a clapper -type electromagnetic relay for high voltage direct current, include: connection piece, first movable contact spring, second movable contact spring, first quiet conducting strip, the quiet conducting strip of second, clapper -type drive assembly, pusher piece and magnetic quenching subassembly. Be equipped with first conducting strip and second conducting strip on the connection piece, on the stiff end of first movable contact spring was fixed in first conducting strip, the free end was connected with pusher piece, and on the stiff end of second movable contact spring was fixed in the second conducting strip, the free end was connected with pusher piece, the free end of pusher piece first movable contact spring of drive and second movable contact spring is put through or the disconnection with first quiet conducting strip and the quiet conducting strip of second respectively, clapper -type drive assembly drives pusher piece reciprocating motion, the magnetic quenching subassembly includes: be located combination department of first movable contact spring and first quiet conducting strip first magnet steel, be located the second magnet steel of combination department of second movable contact spring and the quiet conducting strip of second. Above -mentioned electric appliances then has simple structure, low price, cost -effective advantage.
Description
Technical field
This utility model relates to relay technical field, particularly relates to a kind of clapper-type electromagnetic for HVDC and continues
Electrical equipment.
Background technology
In existing clapper-type electromagnetic relay, movable contact spring is connected by riveting method with armature, both be metal with
Metal connects, and movable contact spring action along with armature movement.Owing to the air gap distance between armature and iron core is the shortest, in high pressure field
In, this traditional clapper-type electromagnetic relay cannot meet insulating requirements, the most breakdown.
Existing clapper-type electromagnetic relay, either single-break or the contact structure of double breaking points, when wink is connected in loop
Between, there is great electrodynamic repulsion force to force contact to produce rebound between two contacts, and along with the generation of electric arc so that pitting of contact is tight
Weight.Particularly greatly under current conditions, the pressure between contact cannot ensure that contact stably contacts, and contact disconnects, closes two
Repeatedly switching under the state of kind, relay quickly burns, and has great risk of explosion.
Existing HVDC relay uses solenoid structure, and contact is placed in a sealed environment, and this is close
Seal ring is vacuum or gases at high pressure within the border, is I grade of pollution, can realize high-voltage great-current switching under shorter contactor gap, but
This HVDC relay complex process, expensive.
Utility model content
The purpose of this utility model is to overcome weak point of the prior art, it is provided that a kind of rational in infrastructure for high pressure
The clapper-type electromagnetic relay of direct current.
The purpose of this utility model is achieved through the following technical solutions:
A kind of clapper-type electromagnetic relay for HVDC, including: connect sheet, the first movable contact spring, the second movable contact spring,
First quiet conducting strip, described second quiet conducting strip, clapper-type drive assembly, promote sheet and magnetic quenching assembly；
Described connection sheet is provided with the first conducting strip and the second conducting strip, described first movable contact spring and described second movable contact spring
Having fixing end and free end, the fixing end of described first movable contact spring is fixed on described first conducting strip, and free end is with described
Promotion sheet connects, and the fixing end of described second movable contact spring is fixed on described second conducting strip, and free end is with described promotion sheet even
Connect；
Described promotion sheet drives the free end of described first movable contact spring and described second movable contact spring first quiet with described respectively
Conducting strip and described second quiet conducting strip are switched on or switched off；
Described clapper-type drives and promotes sheet to move back and forth described in Component driver；
Described magnetic quenching assembly includes: be positioned at described first movable contact spring and described first quiet conducting strip junction the
One magnet steel, it is positioned at the second magnet steel of the junction of described second movable contact spring and described second quiet conducting strip.
Wherein in an embodiment, the free end of described first movable contact spring is provided with the first movable contact.
Wherein in an embodiment, it is quiet that described first quiet conducting strip is provided with first corresponding with described first movable contact
Contact.
Wherein in an embodiment, the free end of described second movable contact spring is provided with the second movable contact.
Wherein in an embodiment, it is quiet that described second quiet conducting strip is provided with second corresponding with described second movable contact
Contact.
Wherein in an embodiment, described clapper-type drives assembly to include enamel-covered wire, skeleton, iron core, yoke, elasticity
Part, armature, described enamel-covered wire is wound on described skeleton, and described iron core is arranged in described skeleton and is connected with described yoke, institute
Stating armature one end to be located on described yoke by the swing of described elastic component, the other end of described armature is connected with described promotion sheet.
Wherein in an embodiment, described iron core is rivet type.
Wherein in an embodiment, described elastic component is extension spring.
Wherein in an embodiment, described magnetic quenching assembly also includes support, described first magnet steel and described second
Magnet steel is located on described support.
Compared with prior art, this utility model has the advantage that
This utility model is by being provided with the first movable contact spring, the second movable contact spring, the first stationary contact, the second stationary contact, first leading
The electricity structure such as sheet and the second conducting strip, when loop turns on, the sense of current phase that the first movable contact spring and the first conducting strip flow through
Instead, it is possible to produce mutually exclusive electric power, make the first movable contact spring extrude to the first movable contact side, one can be offset
Divide the electrodynamic repulsion force between contact, and then make the first stationary contact and the first movable contact more fit, more closely, add between contact point
Pressure, reduces contact resistance, it is ensured that the stability of contact.Within the specific limits, the electric current passed through is the biggest, the first movable contact spring
And the electric power between the first conducting strip is the biggest, so that this relay can bear bigger rush of current, extend
Service life of relay.
In the moment of contact point Guan Bi, the collision between contact point makes contact produce rebound, causes phenomenon of arc discharge.In this reality
With novel relay is provided with the first movable contact spring and the second movable contact spring, reasonable in design, delicate structure, and can effectively drop
Low rebound, makes relay reach stable contact condition faster, alleviates arcing, extends the life-span of relay.There is structure simultaneously
Simply, low price, the more advantages such as cost-effective.
Magnetic quenching assembly effect is, in the moment that contact point connects or disconnects, to utilize the first magnet steel, the second magnet steel
The space magnetic field the formed effect to electric charge so that the electric arc of generation offsets to both sides, contact, elongates, and accelerates the extinguishing of electric arc,
Strengthen this relay conveyance capacity.Unidirectional current does not has alternating current zero crossing arc extinction ability.Above-mentioned magnetic quenching assembly can
Strengthen arc extinction ability, so that this relay can be applicable to HVDC field.
Accompanying drawing explanation
Fig. 1 is the structure chart of the clapper-type electromagnetic relay for HVDC of this utility model one embodiment；
Fig. 2 is the local structural graph of the clapper-type electromagnetic relay shown in Fig. 1；
Fig. 3 is movable contact spring and the stress schematic diagram of conducting strip of the clapper-type electromagnetic relay shown in Fig. 1；
Fig. 4 is the current direction schematic diagram of the conducting strip of the clapper-type electromagnetic relay shown in Fig. 1；
Fig. 5 is the plane structure chart of the clapper-type electromagnetic relay shown in Fig. 1.
Detailed description of the invention
For the ease of understanding this utility model, below with reference to relevant drawings, this utility model is more fully retouched
State.Accompanying drawing gives better embodiment of the present utility model.But, this utility model can come in many different forms
Realize, however it is not limited to embodiments described herein.On the contrary, providing the purpose of these embodiments is to make to this practicality newly
It is more thorough comprehensive that the disclosure of type understands.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly on another element
Or element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can be to be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left ",
For illustrative purposes only, being not offered as is unique embodiment for " right " and similar statement.
Unless otherwise defined, all of technology used herein and scientific terminology are led with belonging to technology of the present utility model
The implication that the technical staff in territory is generally understood that is identical.At term used in the description of the present utility model it is simply herein
The purpose of specific embodiment is described, it is not intended that in limiting this utility model.Term as used herein " and/or " bag
Include the arbitrary and all of combination of one or more relevant Listed Items.
Seeing also Fig. 1 and Fig. 2, a kind of clapper-type electromagnetic relay 10 for HVDC includes: connect sheet
100, first movable contact spring the 200, second movable contact spring 300, first quiet conducting strip the 400, second quiet conducting strip 500, clapper-type driving group
Part 600 and promotion sheet 700.Promote sheet 700 to be provided with perforate, by perforate, the first movable contact spring 200 and the second movable contact spring 300 are fixed
Promoting on sheet 700, clapper-type drives assembly 600 to drive to promote sheet 700 to move back and forth, so that the first movable contact spring 200 and the
Two movable contact springs 300 move back and forth.Promoting sheet 700 is by plastic cement casting, has fabulous insulating capacity and fabulous rigidity.
The reciprocating motion promoting sheet 700 can drive the first movable contact spring 200 and swing of the second movable contact spring 300.
This relay has been isolated clapper-type by the promotion sheet 700 of insulation and has been driven assembly the 600, first movable contact spring 200 and the
Two movable contact springs 300 so that connect sheet the 100, first movable contact spring the 200, second movable contact spring the 300, first quiet conducting strip 400, second quiet
Conducting strip 500 and clapper-type drive assembly 600 to be kept completely separate, it is no longer necessary to be placed in airtight environment contact and meet high pressure
Requirement, reduce production cost, convenience relay directly applies to HVDC field.
See also Fig. 2, Fig. 3 and Fig. 4, connect sheet 100 and be provided with the first conducting strip 110 and the second conducting strip 120, the
One movable contact spring 200 and the second movable contact spring 300 have fixing end and free end, and the fixing end of the first movable contact spring 200 is fixed on first
On conducting strip 110, free end is connected with promoting sheet 700, and the fixing end of the second movable contact spring 300 is fixed on the second conducting strip 120,
Free end is connected with promoting sheet 700.Promote sheet 700 drive the free end of the first movable contact spring 200 and the second movable contact spring 300 respectively with
First quiet conducting strip 400 and the second quiet conducting strip 500 are switched on or switched off.
The free end of the first movable contact spring 200 is provided with the first movable contact 210, and the first quiet conducting strip 400 is provided with and moves with first
First stationary contact 410 of contact 210 correspondence.
When electric current is from the first stationary contact 410 and the first movable contact 210 electrical contact, there is between two contacts certain electricity
Move repulsion, and this electrodynamic repulsion force forces the first stationary contact 410 and the first movable contact 210 to disconnect.When electric current is moved by first
When reed 200 flows to the first conducting strip 110, the sense of current of the parallel position of the first movable contact spring 200 and the first conducting strip 110 is
Contrary, i.e. electric power between this part first movable contact spring 200 and the first conducting strip 110 is mutually exclusive, so that first moves
Reed 200 extrudes to the first movable contact 210 side, can offset the electrodynamic repulsion force between a part of contact, and then make the first stationary contact
Point 410 and the first movable contact 210 are more fitted, and more closely, add the pressure between contact point, reduce contact resistance, it is ensured that
The stability of contact.
The free end of the second movable contact spring 300 is provided with the second movable contact 310, and the second quiet conducting strip 500 is provided with and moves with second
Second stationary contact 510 of contact 310 correspondence.
With should electric current flowed to the second conducting strip 120 by the second movable contact spring 300 time, the second movable contact spring 300 and the second conduction
The sense of current of the parallel position of sheet 120 is contrary, i.e. between this part second movable contact spring 300 and the second conducting strip 120
Electric power is mutually exclusive, so that the second movable contact spring 300 extrudes to the second movable contact 310 2 side, can offset two part contacts
Between electrodynamic repulsion force, it is possible to so that the second stationary contact 510 and the second movable contact 310 are more fitted, more closely, add between contact point
Pressure, reduce contact resistance, it is ensured that the stability of contact.
When the first stationary contact 410 is connected with the first movable contact 210, and the second stationary contact 510 is connected with the second movable contact 310
Time, and just can form conducting loop by connecting sheet.Within the specific limits, the electric current passed through is the biggest, the first movable contact spring 200
And the electric power between the first conducting strip 110 is the biggest, so that this relay can bear bigger rush of current, prolongs
Grow the service life of relay.
In this relay, the structure design of the first movable contact spring 200 and the second movable contact spring 300, have employed series system, makes
Load voltage dividing potential drop, is i.e. equivalent to the gap adding between contact point, improves the ability of arc extinction.
In the moment of contact point Guan Bi, the collision between contact point makes contact produce rebound, causes phenomenon of arc discharge.In this reality
With novel relay is provided with the first movable contact spring 200 and the second movable contact spring 300, reasonable in design, delicate structure, and can have
Effect ground reduces rebound, makes relay reach stable contact condition faster, alleviates arcing, extends the life-span of relay.Have simultaneously
There are simple in construction, low price, the more advantages such as cost-effective.
Seeing also Fig. 1 and Fig. 5, the clapper-type electromagnetic relay 10 for HVDC also includes magnetic quenching assembly
800, magnetic quenching assembly 800 includes the first magnet steel 810 and the second magnet steel 820, and the first magnet steel 810 is positioned at the first movable contact spring 200
With the junction of the first quiet conducting strip 400, the second magnet steel 820 is positioned at the second movable contact spring 300 and combination of the second quiet conducting strip 500
Place.Magnetic quenching assembly 800 also includes that support 830, the first magnet steel 810 and the second magnet steel 820 are located on support 830.
Magnetic quenching assembly 800 effect is in the moment that contact point connects or disconnects, utilize the first magnet steel 810, the
The space magnetic field that two magnet steel 820 the are formed effect to electric charge so that the electric arc of generation offsets to both sides, contact, elongates, and accelerates electricity
The extinguishing of arc, strengthens this relay conveyance capacity.Unidirectional current does not has alternating current zero crossing arc extinction ability.Above-mentioned magnetic blowout
Arc assembly 800 can strengthen arc extinction ability, so that this relay can be applicable to HVDC field.
Referring to Fig. 1, clapper-type drives assembly 600 to include enamel-covered wire 610, skeleton 620, iron core 630, yoke 640, elasticity
Part 650, armature 660, enamel-covered wire 610 is wound on skeleton 620, forms solenoid.Iron core 630 be arranged in skeleton 620 and with
Yoke 640 is fixing to be connected, and armature 660 one end is swung by elastic component 650 and is located on yoke 640, the other end of armature 660 with push away
Moving plate 700 connects.Iron core 630 is rivet type, and elastic component 650 is extension spring.Wherein, yoke 640 is provided with and coordinates with armature 660
Bayonet socket, armature 660 wears that bayonet socket and extension spring are fixing to be connected, and armature 660 can move back and forth in bayonet socket.
When, after input direct-current signal in enamel-covered wire 610, solenoid produces magnetic field, after offsetting extension spring active force, force rank
Ferrum 660 holds greatly bat to close with iron core 630.Armature 660 swings to drive and promotes sheet 700 to move along a straight line, and promotes the linear motion band of sheet 700
Dynamic first movable contact spring 200 and the second movable contact spring 300 move so that the first movable contact 210 and the second movable contact 310 are respectively at first
Stationary contact 410 contacts with the second stationary contact 510, turns on loop.
After disconnecting direct current signal in enamel-covered wire 610, under extension spring effect, armature 660 resets, and armature 660 drives and promotes
Sheet 700 moves along a straight line, and promotes the first movable contact spring 200 and the second movable contact spring 300 resilience, thus disconnects the first movable contact 210 and
One stationary contact the 410, second movable contact 310 contacts with the second stationary contact 510, and cutoff circuit, relay quits work.
Refer to Fig. 2, in order to improve the reasonable structure of the clapper-type electromagnetic relay 10 for HVDC, such as,
Described promotion sheet 700 is for including cross bar 710 and montant 720, and described cross bar 710 is connected formation " T " font with described montant 720,
The free end of described first movable contact spring 200 and described second movable contact spring 300 two ends with described cross bar 710 respectively are connected, described
Clapper-type drives assembly 600 to have an armature 660, and one end of described armature 660 is connected with described montant 720, described montant 720
Between described first quiet conducting strip 400 and described second quiet conducting strip 500.Understand, the first movable contact spring 200, described second
The line of the junction point between movable contact spring 300, armature 660 and promotion sheet 700 forms triangular structure, and triangular structure makes to push away
Moving plate 700 is more stable in the process of motion, and, montant 720 is positioned at the first quiet conducting strip 400 and the second quiet conducting strip
Between 500 so that cross bar 710 can be more uniformly stressed, add the stationarity of motion, thus improve the bat of HVDC
The reasonable structure of box-like electromagnetic relay 10.
Refer to Fig. 2, in order to improve the reasonable structure of the clapper-type electromagnetic relay 10 for HVDC further,
Such as, described cross bar 710 be respectively arranged at two ends with the first shell fragment 712 and the second shell fragment 714, described first shell fragment 712 and described
One end of second shell fragment 714 is fixed on described cross bar 710, described first shell fragment 712 and the other end of described second shell fragment 714
It is flexibly supported on respectively on described first movable contact spring 200 and described second movable contact spring 300.Understand, when described first movable contact spring 200
And described second movable contact spring 300 can be subject to when contacting with described first quiet conducting strip 400 and described second quiet conducting strip 500 respectively
The impact of electrodynamic repulsion force, by arranging described first shell fragment 712 and described second shell fragment 714 respectively to described first movable contact spring
200 and the power that the flexibly supports effect of described second movable contact spring 300 so that described first movable contact spring 200 and described second movable contact spring
300 are the most tightly attached at described first quiet conducting strip 400 and described second quiet conducting strip 500, thus improve HVDC
The reasonable structure of clapper-type electromagnetic relay 10.
Refer to Fig. 3, in order to improve the reasonable structure of the clapper-type electromagnetic relay 10 for HVDC further,
Such as, described first movable contact spring 200 and described second movable contact spring 300 form a circular arc bending elastic force reinforced sheet 20, institute
State elastic force reinforced sheet 20 1 aspect and as described first movable contact spring 200 and described second movable contact spring 300, elasticity can occur
Inflection point during swing, on the one hand can strengthen described first movable contact spring 200 and the elasticity of described second movable contact spring 300 further
Power, on the other hand can improve described first movable contact spring 200 and the service life of described second movable contact spring 300, thus improve
The reasonable structure of the clapper-type electromagnetic relay 10 of HVDC.Such as, can also be built-in in described elastic force reinforced sheet 20
Spiral helicine elastic wire, by the built-in spiral helicine elastic wire of described elastic force reinforced sheet 20, can further carry
High described first movable contact spring 200 and the service life of described second movable contact spring 300.
Refer to Fig. 3, in order to further improve the rational in infrastructure of the clapper-type electromagnetic relay 10 for HVDC
Property, such as, described connection sheet 100 is bent to form the avoiding hollow groove 30 housing described cross bar 710, when clapper-type drives assembly
600 promote sheet 700 to reset, and described cross bar 710 can be contained in described avoiding hollow groove 30, can save space-efficient and occupy, from
And improve the reasonable structure of the clapper-type electromagnetic relay 10 of HVDC.
Compared with prior art, this utility model has the advantage that
This utility model is by being provided with the first movable contact spring, the second movable contact spring, the first stationary contact, the second stationary contact, first leading
The electricity structure such as sheet and the second conducting strip, when loop turns on, the sense of current phase that the first movable contact spring and the first conducting strip flow through
Instead, it is possible to produce mutually exclusive electric power, make the first movable contact spring extrude to the first movable contact side, one can be offset
Divide the electrodynamic repulsion force between contact, and then make the first stationary contact and the first movable contact more fit, more closely, add between contact point
Pressure, reduces contact resistance, it is ensured that the stability of contact.Within the specific limits, the electric current passed through is the biggest, the first movable contact spring
And the electric power between the first conducting strip is the biggest, so that this relay can bear bigger rush of current, extend
Service life of relay.
In the moment of contact point Guan Bi, the collision between contact point makes contact produce rebound, causes phenomenon of arc discharge.In this reality
With novel relay is provided with the first movable contact spring and the second movable contact spring, reasonable in design, delicate structure, and can effectively drop
Low rebound, makes relay reach stable contact condition faster, alleviates arcing, extends the life-span of relay.There is structure simultaneously
Simply, low price, the more advantages such as cost-effective.
Magnetic quenching assembly effect is, in the moment that contact point connects or disconnects, to utilize the first magnet steel, the second magnet steel
The space magnetic field the formed effect to electric charge so that the electric arc of generation offsets to both sides, contact, elongates, and accelerates the extinguishing of electric arc,
Strengthen this relay conveyance capacity.Unidirectional current does not has alternating current zero crossing arc extinction ability.Above-mentioned magnetic quenching assembly can
Strengthen arc extinction ability, so that this relay can be applicable to HVDC field.
The above embodiment only have expressed several embodiments of the present utility model, and it describes more concrete and detailed
Carefully, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, general for this area
For logical technical staff, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these are all
Belong to protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (9)
1. the clapper-type electromagnetic relay for HVDC, it is characterised in that including: connect sheet, the first movable contact spring, the
Two movable contact springs, the first quiet conducting strip, the second quiet conducting strip, clapper-type drive assembly, promote sheet and magnetic quenching assembly；
Described connection sheet is provided with the first conducting strip and the second conducting strip, described first movable contact spring and described second movable contact spring to be had
Fixing end and free end, the fixing end of described first movable contact spring is fixed on described first conducting strip, free end and described promotion
Sheet connects, and the fixing end of described second movable contact spring is fixed on described second conducting strip, and free end is connected with described promotion sheet；
Described promotion sheet drive the free end of described first movable contact spring and described second movable contact spring respectively with described first quiet conduction
Sheet and described second quiet conducting strip are switched on or switched off；
Described clapper-type drives and promotes sheet to move back and forth described in Component driver；
Described magnetic quenching assembly includes: be positioned at the first magnetic of described first movable contact spring and the junction of described first quiet conducting strip
Steel, it is positioned at the second magnet steel of the junction of described second movable contact spring and described second quiet conducting strip.
Clapper-type electromagnetic relay for HVDC the most according to claim 1, it is characterised in that described first moves
The free end of reed is provided with the first movable contact.
Clapper-type electromagnetic relay for HVDC the most according to claim 2, it is characterised in that described first quiet
Conducting strip is provided with first stationary contact corresponding with described first movable contact.
Clapper-type electromagnetic relay for HVDC the most according to claim 1, it is characterised in that described second moves
The free end of reed is provided with the second movable contact.
Clapper-type electromagnetic relay for HVDC the most according to claim 4, it is characterised in that described second quiet
Conducting strip is provided with second stationary contact corresponding with described second movable contact.
Clapper-type electromagnetic relay for HVDC the most according to claim 1, it is characterised in that described clapper-type
Assembly is driven to include that enamel-covered wire, skeleton, iron core, yoke, elastic component, armature, described enamel-covered wire are wound on described skeleton, described
Iron core is arranged in described skeleton and is connected with described yoke, and described armature one end is swung by described elastic component and is located at described yoke
On, the other end of described armature is connected with described promotion sheet.
Clapper-type electromagnetic relay for HVDC the most according to claim 6, it is characterised in that described iron core is
Rivet type.
Clapper-type electromagnetic relay for HVDC the most according to claim 6, it is characterised in that described elastic component
For extension spring.
Clapper-type electromagnetic relay for HVDC the most according to claim 1, it is characterised in that described magnetic blowout
Arc assembly also includes that support, described first magnet steel and described second magnet steel are located on described support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620618275.6U CN205881821U (en) | 2016-06-20 | 2016-06-20 | A clapper -type electromagnetic relay for high voltage direct current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620618275.6U CN205881821U (en) | 2016-06-20 | 2016-06-20 | A clapper -type electromagnetic relay for high voltage direct current |
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| Publication Number | Publication Date |
|---|---|
| CN205881821U true CN205881821U (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620618275.6U Active CN205881821U (en) | 2016-06-20 | 2016-06-20 | A clapper -type electromagnetic relay for high voltage direct current |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024526A (en) * | 2016-06-20 | 2016-10-12 | 惠州亿纬科技有限公司 | Beat-type electromagnetic relay used for high-voltage direct current |
-
2016
- 2016-06-20 CN CN201620618275.6U patent/CN205881821U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024526A (en) * | 2016-06-20 | 2016-10-12 | 惠州亿纬科技有限公司 | Beat-type electromagnetic relay used for high-voltage direct current |
| CN106024526B (en) * | 2016-06-20 | 2018-05-22 | 惠州亿纬控股有限公司 | A kind of clapper-type electromagnetic relay for high voltage direct current |
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Address after: No. 7, Building 19, Phase I Villa, Shibang Wetland Park, Dongga Town, Duilongdeqing District, Lhasa City, Tibet Autonomous Region, 851400 Patentee after: Tibet Yiwei Holding Co.,Ltd. Address before: 516003 No.03, 18 / F, fuligang Central Hotel, No.2 Dongjiang 2nd Road, Jiangbei, Huicheng District, Huizhou City, Guangdong Province Patentee before: HUIZHOU EVE HOLDING Co.,Ltd. |