CN207503873U - DC relay - Google Patents
DC relay Download PDFInfo
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- CN207503873U CN207503873U CN201721273010.8U CN201721273010U CN207503873U CN 207503873 U CN207503873 U CN 207503873U CN 201721273010 U CN201721273010 U CN 201721273010U CN 207503873 U CN207503873 U CN 207503873U
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- permanent magnet
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- 230000003068 static effect Effects 0.000 claims abstract description 86
- 238000001816 cooling Methods 0.000 claims abstract description 85
- 238000010891 electric arc Methods 0.000 claims abstract description 67
- 230000008676 import Effects 0.000 claims abstract description 31
- 238000005192 partition Methods 0.000 claims description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000008033 biological extinction Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model provides a kind of DC relay, it carries out arc extinguishing using the magnetic field Lorentz force of permanent magnet, it is advantageously implemented product miniaturization, available for extinguishing the electric arc of high DC load, arc extinction performance is more preferable, including relay base and the contact system being arranged on the upside of relay base, contact system includes static contact and the moving contact with static contact cooperation, and the movement of moving contact up/down makes moving contact detach/contact with static contact；The permanent magnet coordinated with contact system is further included, the magnetic direction of permanent magnet is vertical with the direction of motion of moving contact；Setting case above the contact system, case include cooling chamber, and cooling chamber includes cooling chamber's import；The moving contact detaches generation electric arc with static contact, and the magnetic field of permanent magnet makes electric arc enter cooling chamber by cooling chamber's import to carry out cooling extinguishing.
Description
Technical field
The utility model is related to Low Voltage Electrical Apparatus, and in particular to a kind of DC relay, in particular by magnetic quenching
The DC relay of method.
Background technology
Existing DC relay, when extinguishing the electric arc that dynamic/stationary contact separation generates, mostly using following methods：
Method one：Electric arc is disconnected by force by increasing dynamic/contactor gap；
Method two：Electric arc is quickly disconnected by the speed for the action for accelerating moving contact；
No matter using above-mentioned any this method, larger-sized electromagnetic coil is required to, to improve the driving work(of product
Rate is unfavorable for the miniaturization of DC relay, while production cost also greatly improves.
Also a kind of DC relay, since DC load is higher (load voltage >=48VDC), can not put out under normal circumstances
Go out electric arc, thus using magnetic field Lorentz force stretch electric arc, cooled down in electric arc drawing process or upset electric arc electric field into
Row arc extinguishing.
But such DC relay or current polarity direction is distinctly claimed, it is reversed that electric arc can be caused to blow to knot
Structure component or even both sides electric arc direct-current short circuit, lead to product failure；Or by magnetic field Lorentz force by arc deflection to electric current
Vertical direction, to avoid component scaling loss or short circuit, then by electric arc controlled party to the male and fomale(M＆F) of housing upset electric arc electricity
With arc extinguishing, but the distance of electric arc control direction is limited, the upset effect of electric arc electric field that is to say it is limited, in difference
Arc stiffness under can not adjust variation therewith, lead to the bad of arc quenching effect under hard arc state.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, a kind of DC relay is provided, utilizes permanent magnetism
The magnetic field Lorentz force of body carries out arc extinguishing, product miniaturization is advantageously implemented, available for extinguishing the electric arc of high DC load, arc extinguishing
Performance is more preferable.
To achieve the above object, the utility model employs following technical solution：
A kind of DC relay including relay base 1 and the contact system being arranged on the upside of relay base 1, connects
Touch system include static contact 31 and with static contact 31 coordinate moving contact 30,30 up/down of moving contact movement make moving contact 30 with
Static contact 31 is detached/is contacted；Further include the permanent magnet coordinated with contact system, the magnetic direction of permanent magnet and the fortune of moving contact 30
Dynamic direction is vertical；Setting case 5 above the contact system, case 5 include cooling chamber 57, and cooling chamber 57 includes cooling chamber's import
510；The moving contact 30 detaches generation electric arc with static contact 31, and the magnetic field of permanent magnet makes electric arc be entered by cooling chamber's import 510
Cooling chamber 57 carries out cooling extinguishing.
Preferably, cooling chamber's import 510 includes a plurality of spaced screen.
Preferably, the case 5 includes case main body 50, and setting opening in 50 lower end of case main body is tight with relay base 1
Close fit, case main body 50 include contact chamber 56 and the Liang Ge cooling chamber 57 for being separately positioned on 56 both sides of contact chamber, moving contact
30 movable contact and the stationary contact of static contact 31 are arranged in contact chamber 56, and first is set between contact chamber 56 and cooling chamber 57
Partition board 51, setting cooling chamber import 510 in first partition 51.
Preferably, second partition 52, second partition 52 and first partition 51 are set between the first partition 51 and case 5
It is arranged in parallel, secondary arc blow-out magnet is equipped between second partition 52 and case main body 50.
Preferably, 1 two static contacts 31 of upside setting of relay base, two static contacts 31 are oppositely arranged, two
Static contact 31 is the first static contact and the second static contact respectively, and one end opposite with the second static contact of the first static contact is set side by side
The first stationary contact and third stationary contact are put, the second stationary contact is arranged side by side in one end opposite with the first static contact of the second static contact
With the 4th stationary contact, the first stationary contact and the second stationary contact are located at the side of relay base 1, third stationary contact and the 4th stationary contact
Point is positioned at the opposite side of relay base 1；The moving contact 30 includes contact bridge 300 and is arranged on 300 both ends of contact bridge
Movable contact 301, movable contact 301 include be disposed side by side on first movable contact of 300 one end of contact bridge and third movable contact, respectively and
First stationary contact, the cooperation of third stationary contact, movable contact 301, which further includes, to be disposed side by side on the second of 300 other end of contact bridge and dynamic touches
Point and the 4th movable contact coordinate respectively with the second stationary contact, the 4th stationary contact；The moving contact 30 is contacted with static contact 31, electricity
Stream flows to the first stationary contact, while electric current flows to third stationary contact by the 4th stationary contact by the second stationary contact；First stationary contact
The first permanent magnet 61 and the second permanent magnet 62, the N poles and first of the first permanent magnet 61 are set gradually between point and the second stationary contact
Stationary contact corresponds to, and the S poles of the first permanent magnet 61 and the S of the second permanent magnet 62 are extremely corresponding, N poles of the second permanent magnet 62 and second quiet
Contact corresponds to；63 and the 4th permanent magnet 64 of third permanent magnet is set gradually between the third stationary contact and the 4th stationary contact, the
The S poles of three permanent magnet 63 are corresponding with third stationary contact, and the N poles of third permanent magnet 63 and the N of the 4th permanent magnet 64 are extremely corresponding, and the 4th
The S poles of permanent magnet 64 are corresponding with the 4th stationary contact.
Preferably, the relay base 1 sets four permanent magnet fitting grooves 6, the first permanent magnet, the second permanent magnet, the
Three permanent magnet and the 4th permanent magnet are separately positioned in four permanent magnet fitting grooves 6.
Preferably, 1 two static contacts 31 of upside setting of relay base, two static contacts 31 are oppositely arranged,
Two static contacts 31 are the first static contact and the second static contact respectively, and one end opposite with the second static contact of the first static contact is set
The first stationary contact is put, one end opposite with the first static contact of the second static contact sets the second stationary contact；The moving contact 30 wraps
It includes contact bridge 300 and is arranged on the movable contact 301 at 300 both ends of contact bridge, movable contact 301 includes being arranged on contact bridge 300 1
First movable contact at end and be arranged on the second movable contact of 300 other end of contact bridge, the first movable contact, the second movable contact respectively with
First stationary contact, the cooperation of the second stationary contact；The moving contact 30 is contacted with static contact 31, and electric current flows to first by the second stationary contact
Stationary contact；5th permanent magnet, S poles and the first stationary contact of the 5th permanent magnet are set between first stationary contact and the second stationary contact
Point corresponds to, and the N poles of the 5th permanent magnet are corresponding with the second stationary contact.
Preferably, the 5th permanent magnet includes being disposed side by side on the 6th permanent magnet and the 7th permanent magnet, the 6th permanent magnet
S poles it is corresponding with the first stationary contact, the N poles of the 6th permanent magnet and the S of the 7th permanent magnet are extremely corresponding, the N poles of the 7th permanent magnet with
Second stationary contact corresponds to.
Preferably, the electromagnetic system being used cooperatively with contact system and the bottom being sleeved on the outside of electromagnetic system cover 4 are further included,
Electromagnetic system includes the iron for being arranged on the electromagnetic coil assembly 2 of 1 downside of relay base, being arranged on 2 middle part of electromagnetic coil assembly
Core 25 and the moving armature component for being arranged on 2 middle part of electromagnetic coil assembly and the cooperation of iron core 25；The moving armature component includes setting
Put armature 24 and one end below iron core 25 be connected with armature 24 and the other end pass through electromagnetic coil assembly 2, relay base
The drive link 27 that seat 1 is connected with moving contact 30.
Preferably, when the stationary contact of the movable contact of moving contact 30 and static contact 31 detaches, there are spacing H, drops therebetween
It is corresponding that greenhouse import 510 is arranged on spacing side H.
The DC relay of the utility model include contact system, permanent magnet and case, contact system include moving contact and
Static contact, the movement of moving contact up/down make moving contact detach/contact with static contact, and case includes cooling chamber, cooling chamber's setting cooling
Room import, the magnetic field of permanent magnet is vertical with the moving direction of moving contact, and moving contact and static contact is made to detach the electric arc generated by dropping
Greenhouse import enters cooling chamber and carries out cooling extinguishing；The DC relay of the utility model utilizes the magnetic field Lorentz of permanent magnet
Power stretches and extinguishes electric arc, is conducive to the miniaturization of product, moreover, the magnetic field Lorentz force of permanent magnet makes electric arc enter cooling
Room first, having stretched electric arc, second is that can cool down to electric arc, is all conducive to the quick extinguishing of electric arc, makes the utility model
The arc extinction performance higher of DC relay, ensure that the Electrical Safety of user, third, electric arc drives in cooling chamber, avoid high-temperature electric arc
The parts of contact system are caused to burn, are conducive to extend the service life of the DC relay of the utility model.In addition, institute
Cooling chamber's import is stated to divide arc grid, electric arc can be disperseed when electric arc passes through, magnet is particularly set on the outside of cooling chamber
Secondary arc blow-out is carried out, is conducive to further improve the arc extinction performance of the DC relay of the utility model.
Description of the drawings
Fig. 1 is the structure diagram of the utility model DC relay；
Fig. 2 is the structure diagram of the part A of the utility model Fig. 1；
Fig. 3 is the structure diagram of the utility model case；
Fig. 4 is the F-F cross-sectional views of the utility model Fig. 3；
Fig. 5 is another structure diagram of the utility model DC relay；
Fig. 6 is the G-G cross-sectional views of the utility model Fig. 5；
Fig. 7 is the principle schematic of the extinguishing electric arc of the utility model embodiment one；
Fig. 8 is the principle schematic of the extinguishing electric arc of the utility model embodiment two；
Fig. 9 is another principle schematic of the extinguishing electric arc of the utility model embodiment two；
Figure 10 is the assembling relationship figure of the import of the utility model cooling chamber and dynamic/stationary contact.
Specific embodiment
Below in conjunction with the embodiment that attached drawing DC relay provides, the DC relay of the utility model is further illustrated
Specific embodiment.The DC relay of the utility model is not limited to the following description.
The DC relay of the utility model, including relay base 1 and the contact being arranged on the upside of relay base 1
System, contact system include static contact 31 and the moving contact 30 coordinated with static contact 31, and the movement of 30 up/down of moving contact makes to touch
First 30 detach/contact with static contact 31；
The permanent magnet coordinated with contact system is further included, the direction of motion of the magnetic direction and moving contact 30 of permanent magnet is hung down
Directly；Setting case 5 above the contact system, case 5 include cooling chamber 57, and cooling chamber 57 includes cooling chamber's import 510, cooling
Room import 510 and the spacing corresponding matching of moving contact 30 and static contact 31；
The moving contact 30 detaches generation electric arc with static contact 31, and the magnetic field of permanent magnet makes electric arc by cooling chamber's import 510
Cooling extinguishing is carried out into cooling chamber 57.
Existing DC relay, when extinguishing the electric arc generated during dynamic/stationary contact separation, mostly using following methods：Method
First, increase dynamic/stationary contact spacing, disconnect electric arc by force；Method two improves the movement speed of movable contact to disconnect electric arc；3rd, it is sharp
It is stretched with magnetic field Lorentz force and extinguishes electric arc；Method one and method two are required to increase electromagnetic coil size, are unfavorable for realizing
The miniaturization of DC relay, and production cost can be increased；Method three is chiefly used in the (load of DC relay of high DC load
Voltage >=48VDC) situation under arc extinguishing, arc quenching effect is bad.
The DC relay of the utility model, including contact system, permanent magnet and case, contact system include moving contact and
Static contact, the movement of moving contact up/down make moving contact detach/contact with static contact, and case includes cooling chamber, cooling chamber's setting cooling
Room import, the magnetic field of permanent magnet is vertical with the moving direction of moving contact, and moving contact and static contact is made to detach the electric arc generated by dropping
Greenhouse import enters cooling chamber and carries out cooling extinguishing；The DC relay of the utility model utilizes the magnetic field Lorentz of permanent magnet
Power stretches and extinguishes electric arc, is conducive to the miniaturization of product, moreover, the magnetic field Lorentz force of permanent magnet makes electric arc enter cooling
Room first, having stretched electric arc, second is that can cool down to electric arc, is all conducive to the quick extinguishing of electric arc, makes the utility model
The arc extinction performance higher of DC relay, ensure that the Electrical Safety of user, third, electric arc drives in cooling chamber, avoid high-temperature electric arc
The parts of contact system are caused to burn, are conducive to extend the service life of the DC relay of the utility model.
The DC relay of the utility model is described further below with reference to drawings and examples.
As shown in Figure 1, the embodiment one of the DC relay of the utility model.
As shown in Figure 1, the DC relay of utility model includes relay base 1,1 upside setting contact of relay base
System, contact system top setting case 5,5 lower end of case is connected with relay base 1, further includes and be arranged on relay base 1
The moving contact 30 of the coupled electromagnetic system in downside, electromagnetic system and contact system connects, and 30 up/down of driving moving contact is moved
It is dynamic.
As illustrated in fig. 1 and 2, the contact system includes being arranged on static contact 31 and the setting of 1 upside of relay base
The moving contact 30 above static contact 31.The static contact 31 includes being separately positioned on 1 upside left and right ends first of relay base
Static contact and the second static contact, the first static contact and the second static contact include static contact spring piece and stationary contact, the first static contact and the
Two static contacts are oppositely arranged, and the first stationary contact and third stationary contact, the second static contact left end is arranged side by side in the first static contact right end
The second stationary contact and the 4th stationary contact is arranged side by side, after the first stationary contact and the second stationary contact are located relatively at relay base 1
Side, third stationary contact and the 4th stationary contact are located relatively at the front side of relay base 1；The moving contact 30 includes contact bridge 300
And the movable contact 301 at 300 both ends of contact bridge is arranged on, movable contact 301 includes being disposed side by side on the first of 300 left end of contact bridge
Movable contact and third movable contact, further include the second movable contact and the 4th movable contact for being disposed side by side on 300 right end of contact bridge, and first
Movable contact, third movable contact respectively with the first stationary contact, third stationary contact coordinate, the second movable contact, the 4th movable contact respectively with
Second stationary contact, the cooperation of the 4th stationary contact, moving contact 30 and static contact 31 contact, and electric current flows to the first stationary contact by the second stationary contact
Point, while electric current flows to third stationary contact by the 4th stationary contact.
As shown in Figures 6 and 7, the stationary contact of the static contact 31 and moving contact 30 are arranged in the contact chamber 57 of case 5.
It should be pointed out that only the stationary contact of the movable contact 301 of moving contact 30 and static contact 31 can also be arranged in contact chamber 57.
Set gradually the first permanent magnet 61 and the second permanent magnet 62 between first stationary contact and the second stationary contact, first
The N poles of permanent magnet 61 are corresponding with the first stationary contact, and the S poles of the first permanent magnet 61 and the S of the second permanent magnet 62 are extremely corresponding, and second forever
The N poles of magnet 62 are corresponding with the second stationary contact, and 63 He of third permanent magnet is set gradually between third stationary contact and the 4th stationary contact
4th permanent magnet 64, the S poles of third permanent magnet 63 are corresponding with third stationary contact, N poles and the 4th permanent magnet of third permanent magnet 63
64 N is extremely corresponding, and the S poles of the 4th permanent magnet 64 are corresponding with the 4th stationary contact.
Preferably, 1 top of relay base sets four permanent magnet fitting grooves 6, the first permanent magnet 61, the second permanent magnetism
Body 61,63 and the 4th permanent magnet 64 of third permanent magnet are respectively assembled in four permanent magnet fitting grooves 6.
Direction as shown in Figure 3, the case 5 include case main body 50,50 front end of case main body setting opening, case main body
50 are divided by two first partitions 51 for three separate spaces, are the contact chamber 56 at middle part respectively and are arranged on contact chamber about 56
The Liang Ge cooling chamber 57 of both sides, case 5 are fixedly connected with relay base 1, the opening of contact chamber 56 and cooling chamber 57 with after
1 upside of appliance base is fitted close, and contact chamber 56 and cooling chamber 57 is made to form independent enclosure space, contact chamber 56 and cooling chamber
First partition 51 is set between 57, and left and right ends, the rear end of first partition 51 are connected respectively with case main body 50, first partition 51
Left end and right end cooling chamber's import 510 is set respectively, contact chamber 56 is communicated by cooling chamber's import 510 with cooling chamber 57, two
A first partition 51 sets four cooling chamber's imports 510 altogether, the corresponding a pair of dynamic/stationary contact of each cooling chamber's import 510.
Preferably, the first partition 51 is made of engineering plastics or metal or ceramics.
Preferably, as shown in Figures 3 and 4, setting second partition 52 between the first partition 51 and case main body 50, second
Partition board 52 is arranged in parallel with first partition 51 to be connected by the first connecting plate 53, and second partition 52 is towards the side of case main body 50
It is connected by the second connecting plate 54 with case main body 50, secondary arc blow-out magnetic is equipped between second partition 52 and case main body 50
Iron, greatly improve cooling chamber into arc amount and efficiency.Cooling chamber is independently of contact chamber, it is preferred that the space of cooling chamber at least two
Times contact chamber, that is to say, that the electric arc extending direction of the utility model is also twice of other arc extinguishing official documents and correspondences, and can dropped
Magnet is once again set up on the outside of greenhouse and carries out secondary arc blow-out.
Preferably, as shown in Figures 3 and 4, cooling chamber's import 57 includes the grid of a plurality of parallel interval setting to divide arc grid
Plate, the opening direction of cooling chamber's import is consistent with electric arc direction, and electric arc can enter cooling chamber's cooling arc extinguishing by screen when generating,
Electric arc hour only needs to enter cooling chamber by a screen, and be then divided into several electric arcs by screen when arc stiffness is high leads to respectively
Cross screen and carry out cooling chamber, so as to reach small electric arc → enter cooling chamber → blow-out, big electric arc → divide arc → enter cooling chamber →
The effect of blow-out.
As shown in fig. 7, the DC relay for embodiment one extinguishes the principle of electric arc, two stationary contacts of upside from a left side to
The right side is respectively the first stationary contact and the second stationary contact, and two stationary contacts of downside are respectively from left to right third stationary contact and the 4th
Stationary contact, each stationary contact are corresponding with cooling chamber's import 510.
When the movable contact is detached with stationary contact, electric arc, third stationary contact between the first stationary contact and the first movable contact
Electric arc between third movable contact introduces the upper and lower of case 5 respectively by the magnetic field of the first permanent magnet 61 and third permanent magnet 63
In Liang Ge cooling chamber 57, between the electric arc, the 4th stationary contact and the 4th movable contact between the second stationary contact and the second movable contact
Electric arc is introduced by the magnetic field of the second permanent magnet 62 and the 4th permanent magnet 64 in the cooling chamber of Liang Ge up and down 57 of case 5 respectively, and
Electric arc is disperseed when passing through cooling chamber's import 510, and energy reduces, after disperseing subsequently into cooling chamber by cooling and further,
Electric arc can be extinguished rapidly, be effectively protected contact system.
As shown in figure 8, the embodiment two of the DC relay for the utility model.
Embodiment two and the difference of embodiment one are：The static contact 31 include the first static contact for being oppositely arranged and
Second static contact, the first static contact are located at left side and include the first stationary contact, and the second static contact is located at right side and includes the second stationary contact,
Correspondingly, moving contact 30 include contact bridge 300,300 both ends of contact bridge respectively setting one movable contact, be respectively with the first stationary contact
Point, the first movable contact, the second movable contact of the cooperation of the second stationary contact, moving contact 30 contacts respectively with static contact 31, and electric current is by the
Two stationary contacts flow to the first stationary contact, set the 5th permanent magnet between two stationary contacts, S poles of the 5th permanent magnet and first quiet
Contact correspond to, the N poles of the 5th permanent magnet are corresponding with the second stationary contact, and moving contact 30 and static contact 31 detach, the first stationary contact with
The electric arc between electric arc, the second stationary contact and the second movable contact between first movable contact, in the magnetic field long-range navigation of the 5th permanent magnet
Under hereby power effect, respectively enter the cooling chamber 57 of downside and the cooling chamber 57 of upside carries out cooling extinguishing.
It should be pointed out that the magnetic pole of the 5th permanent magnet can be exchanged, i.e., N poles are corresponding with the first stationary contact, S poles with
Second stationary contact corresponds to, and electric arc can equally be driven in cooling chamber 57, only, between the first stationary contact and the first movable contact
Electric arc between electric arc, the second stationary contact and the second movable contact respectively enters the cooling chamber 57 of upside and the cooling chamber 57 of downside.
Preferably, as shown in figure 9, the 5th permanent magnet includes the 6th permanent magnet and the 7th from left to right arranged side by side
Permanent magnet, the S poles of the 6th permanent magnet are corresponding with the first stationary contact, and the N poles of the 6th permanent magnet and the S of the 7th permanent magnet are extremely corresponding,
The N poles of 7th permanent magnet are corresponding with the second stationary contact.
It should be pointed out that the number of the number and shape of the permanent magnet fitting groove 6 of the relay base 1 with permanent magnet
The variation of shape be changed accordingly.
Preferably, as shown in Figure 10, it is cooling chamber's import 510 and the preferred implementation of the assembly relation of dynamic/stationary contact
When mode, the movable contact of moving contact 30 and the stationary contact of static contact 31 detach, there are spacing H, cooling chamber's imports 510 therebetween
It is corresponding to be arranged on spacing side H, to ensure that most of electric arc is driven by magnetic field into cooling chamber 56, so as to improve
Arc quenching effect and protection electromagnetic relay.
As shown in Fig. 1,2 and 5, the DC relay of the utility model, which further includes, is arranged on 1 downside of relay base and its
Connected electromagnetic system, electromagnetic system include electromagnetic coil assembly 2, the armature component for being arranged on 2 middle part of electromagnetic coil assembly, electricity
Magnetic system outer sheath covers 4 the bottom of equipped with.
As illustrated in fig. 1 and 2, the electromagnetic coil assembly 2 includes coil brace 20, is arranged on 20 middle part upper end of coil brace
Iron core 25, the electromagnetic coil 21 that is wrapped on coil brace 20, be sleeved on yoke 22 and the setting in 21 outside of electromagnetic coil
In the coupled magnetizer 23 in 20 upper end of coil brace, yoke 22 is U-shaped structure, u character form structures bottom and coil branch
20 lower end of frame is connected, and U-shaped structure upper end is connected with magnetizer 23, and 20 upper end of coil brace is connected with magnetizer 23, magnetic conduction
Body 23 is connected with relay base 1.
As shown in Figure 1, the armature component includes drive link 27,24 and first spring 28 of armature, 27 lower end of drive link
It is connected with armature 24, upper end passes through coil brace 20, magnetizer 23, relay base 1 to be connected with moving contact 30, and armature 24 slides
It is arranged on 20 middle part lower end of coil brace with iron core 25 to coordinate, the first spring 28 is arranged between armature 24 and iron core 25.
As shown in Fig. 2, second spring 32 is set between the moving contact 30 and case 5.
The above content is combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, several simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (10)
1. a kind of DC relay, including relay base (1) and the contact system being arranged on the upside of relay base (1),
Contact system includes static contact (31) and the moving contact (30) with static contact (31) cooperation, and the movement of moving contact (30) up/down makes
Moving contact (30) detaches/contact with static contact (31)；
It is characterized in that：Further include the permanent magnet coordinated with contact system, the magnetic direction of permanent magnet and the fortune of moving contact (30)
Dynamic direction is vertical；Setting case (5), case (5) include cooling chamber (57) above the contact system, and cooling chamber (57) includes drop
Greenhouse import (510)；
The moving contact (30) detaches with static contact (31) generates electric arc, and the magnetic field of permanent magnet makes electric arc by cooling chamber's import
(510) cooling extinguishing is carried out into cooling chamber (57).
2. DC relay according to claim 1, it is characterised in that：Cooling chamber's import (510) includes a plurality of
Every the screen of setting.
3. DC relay according to claim 1, it is characterised in that：The case (5) includes case main body (50), cover
Shell main body (50) lower end setting opening, is fitted close with relay base (1), case main body (50) including contact chamber (56) and
It is separately positioned on the Liang Ge cooling chamber (57) of contact chamber (56) both sides, the movable contact of moving contact (30) and the stationary contact of static contact (31)
Point is arranged in contact chamber (56), and first partition (51), first partition are set between contact chamber (56) and cooling chamber (57)
(51) cooling chamber's import (510) is set on.
4. DC relay according to claim 3, it is characterised in that：Between the first partition (51) and case (5)
Second partition (52) is set, and second partition (52) is arranged in parallel with first partition (51), in second partition (52) and case main body
(50) secondary arc blow-out magnet is equipped between.
5. DC relay according to claim 1, it is characterised in that：Setting two on the upside of the relay base (1)
Static contact (31), two static contacts (31) are oppositely arranged, and two static contacts (31) are the first static contact and the second static contact respectively,
The first stationary contact and third stationary contact is arranged side by side in one end opposite with the second static contact of first static contact, the second static contact
The second stationary contact and the 4th stationary contact, the first stationary contact and the second stationary contact position is arranged side by side in one end opposite with the first static contact
In the side of relay base (1), third stationary contact and the 4th stationary contact are located at the opposite side of relay base (1)；
The moving contact (30) is including contact bridge (300) and is arranged on the movable contact (301) at contact bridge (300) both ends, moves and touches
First movable contact and third movable contact of the point (301) including being disposed side by side on contact bridge (300) one end, respectively with the first stationary contact
Point, third stationary contact cooperation, movable contact (301) further include be disposed side by side on contact bridge (300) other end the second movable contact and
4th movable contact coordinates respectively with the second stationary contact, the 4th stationary contact；The moving contact (30) contacts with static contact (31), electricity
Stream flows to the first stationary contact, while electric current flows to third stationary contact by the 4th stationary contact by the second stationary contact；
Set gradually the first permanent magnet (61) and the second permanent magnet (62) between first stationary contact and the second stationary contact, first
The N poles of permanent magnet (61) are corresponding with the first stationary contact, and the S poles of the first permanent magnet (61) and the S of the second permanent magnet (62) are extremely corresponding,
The N poles of second permanent magnet (62) are corresponding with the second stationary contact；Is set gradually between the third stationary contact and the 4th stationary contact
Three permanent magnet (63) and the 4th permanent magnet (64), the S poles of third permanent magnet (63) are corresponding with third stationary contact, third permanent magnet
(63) N poles and the N of the 4th permanent magnet (64) are extremely corresponding, and the S poles of the 4th permanent magnet (64) are corresponding with the 4th stationary contact.
6. DC relay according to claim 5, it is characterised in that：The relay base (1) sets four permanent magnetism
Body fitting groove (6), the first permanent magnet, the second permanent magnet, third permanent magnet and the 4th permanent magnet are separately positioned on four permanent magnets
In fitting groove (6).
7. DC relay according to claim 1, it is characterised in that：It is set on the upside of the relay base (1)
Two static contacts (31), two static contacts (31) are oppositely arranged, and two static contacts (31) are that the first static contact and second are quiet respectively
Contact, one end opposite with the second static contact of the first static contact set the first stationary contact, the second static contact with the first stationary contact
Opposite one end sets the second stationary contact；
The moving contact (30) is including contact bridge (300) and is arranged on the movable contact (301) at contact bridge (300) both ends, moves and touches
Point (301) including the first movable contact for being arranged on contact bridge (300) one end and be arranged on contact bridge (300) other end it is second dynamic
Contact, the first movable contact, the second movable contact coordinate respectively with the first stationary contact, the second stationary contact；The moving contact (30) with it is quiet
Contact (31) contacts, and electric current flows to the first stationary contact by the second stationary contact；
5th permanent magnet, S poles and the first stationary contact of the 5th permanent magnet are set between first stationary contact and the second stationary contact
Corresponding, the N poles of the 5th permanent magnet are corresponding with the second stationary contact.
8. DC relay according to claim 7, it is characterised in that：5th permanent magnet includes being disposed side by side on the
Six permanent magnets and the 7th permanent magnet, the S poles of the 6th permanent magnet are corresponding with the first stationary contact, and the N poles of the 6th permanent magnet and the 7th are forever
The S of magnet is extremely corresponding, and the N poles of the 7th permanent magnet are corresponding with the second stationary contact.
9. DC relay according to claim 1, it is characterised in that：Further include the electromagnetism being used cooperatively with contact system
System and the bottom cover (4) being sleeved on the outside of electromagnetic system, electromagnetic system include being arranged on the electromagnetic wire on the downside of relay base (1)
Coil assembly (2), the iron core (25) being arranged in the middle part of electromagnetic coil assembly (2) and be arranged in the middle part of electromagnetic coil assembly (2) with
The moving armature component of iron core (25) cooperation；
The moving armature component includes being arranged on armature (24) below iron core (25) and one end is connected with armature (24) and separately
One end passes through the drive link (27) that electromagnetic coil assembly (2), relay base (1) are connected with moving contact (30).
10. according to any DC relays of claim 1-9, it is characterised in that：The movable contact of moving contact (30) and quiet
During the stationary contact separation of contact (31), there are spacing H therebetween, and it is right with it that cooling chamber's import (510) is arranged on spacing side H
It should.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721273010.8U CN207503873U (en) | 2017-09-29 | 2017-09-29 | DC relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721273010.8U CN207503873U (en) | 2017-09-29 | 2017-09-29 | DC relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207503873U true CN207503873U (en) | 2018-06-15 |
Family
ID=62499805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721273010.8U Withdrawn - After Issue CN207503873U (en) | 2017-09-29 | 2017-09-29 | DC relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207503873U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300742A (en) * | 2018-09-10 | 2019-02-01 | 上海良信电器股份有限公司 | A kind of arc quenching system of D.C. contactor |
| CN109585224A (en) * | 2017-09-29 | 2019-04-05 | 浙江正泰电器股份有限公司 | DC relay |
-
2017
- 2017-09-29 CN CN201721273010.8U patent/CN207503873U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109585224A (en) * | 2017-09-29 | 2019-04-05 | 浙江正泰电器股份有限公司 | DC relay |
| CN109585224B (en) * | 2017-09-29 | 2024-04-12 | 浙江正泰电器股份有限公司 | DC relay |
| CN109300742A (en) * | 2018-09-10 | 2019-02-01 | 上海良信电器股份有限公司 | A kind of arc quenching system of D.C. contactor |
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