CN106710965B - A kind of high-performance direct current contactor - Google Patents
A kind of high-performance direct current contactor Download PDFInfo
- Publication number
- CN106710965B CN106710965B CN201611254105.5A CN201611254105A CN106710965B CN 106710965 B CN106710965 B CN 106710965B CN 201611254105 A CN201611254105 A CN 201611254105A CN 106710965 B CN106710965 B CN 106710965B
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- China
- Prior art keywords
- stay
- spool
- stationary contact
- valve core
- stent
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/08—Indicators; Distinguishing marks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
- H01H9/443—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention provides a kind of high-performance direct current contactor, including housing, coil block, stationary contact component, movable contact component, detection components, arc extinguishing component and pressure relief assembly, the stationary contact component includes stationary contact stent, stationary contact stent includes top plate and contact chamber, arc extinguishing component is arranged in the contact chamber, pressure relief assembly is fixedly connected on the top plate, pressure relief assembly is used for the air pressure of balance shell inside and outside, detection components are used to detect D.C. contactor working condition, detection components are connect respectively with movable contact component and stationary contact stent, stationary contact component is fixed on stationary contact stent, movable contact component is located at the lower section of the stationary contact stent, and it is connect below movable contact component with coil block.The present invention increases the reliability and performance that polarized arc extinguishing component, detection components and pressure relief assembly improve D.C. contactor.
Description
Technical field
The present invention relates to D.C. contactor technical field, more particularly to a kind of high-performance direct current contactor.
Background technology
D.C. contactor is a kind of very strong electromagnetic switch of versatility, it can be frequently switched on and disconnect the main electricity of direct current
Road, and can realize far distance controlled, it is widely used in technical field of circuit control.The ring that existing D.C. contactor is normally applied
Border is all low voltage range, and drop-out voltage is within 300V, when drop-out voltage value is up to 700V-800V, existing direct current contact
Device will will appear the problems such as contact is unstable, coil block is easily damaged.When D.C. contactor works, internal temperature can rise
Height increases internal pressure, and existing D.C. contactor is sealing structure, it is impossible to which timely pressure release, there are security risks.
Invention content
The technical problems to be solved by the invention are:In order to overcome deficiency of the prior art, the present invention provides a kind of high
Performance D.C. contactor.
The present invention solves its technical problem technical solution to be taken:A kind of high-performance direct current contactor, including shell
Coil block, stationary contact component, movable contact component, detection components, arc extinguishing component and the decompression of body and setting inside housings
Component, the stationary contact component include stationary contact stent, and the stationary contact stent includes top plate and contact chamber, the arc extinguishing component
It is arranged in the contact chamber, the pressure relief assembly is fixedly connected on the top plate, and the pressure relief assembly is used to balance housing
Inside and outside air pressure, the detection components for detecting D.C. contactor working condition, the detection components respectively with movable contact group
Part is connected with stationary contact stent, and the stationary contact component is fixed on stationary contact stent, and the movable contact component is located at described quiet
The lower section of contact holder, and connect below the movable contact component with the coil block.Increase polarized arc extinguishing component, detection
Component and pressure relief assembly improve the reliability and performance of D.C. contactor.
Further, the arc extinguishing component includes two groups of magnetic steel components for being arranged on stationary contact internal stent and two ceramics go out
Arc slot, two groups of magnetic steel components are separately fixed between two ceramic arc chutes and stationary contact stent, and two ceramic arc chutes are opposite
Setting is intermediate to form arc-chutes, and two groups of magnetic steel components are centrosymmetric distribution, and every group of magnetic steel component goes out including what is be at right angles distributed
Arc magnet steel A and arc extinguishing magnet steel B, and the polarity of arc extinguishing magnet steel A is opposite with the polarity of arc extinguishing magnet steel B.By the arc extinguishing of original plastics
Slot is changed to the arc chute of ceramic material, improves the insulating properties of arc chute, and the cooling velocity for making electric arc faster, extends arc chute
Service life.Arc chute is also used to fix arc extinguishing magnet steel with stationary contact support assorted other than having the function of arc extinguishing.Arc extinguishing
The polarity of magnet steel A is opposite with the polarity of arc extinguishing magnet steel B to make entire D.C. contactor form the magnetic field of rotation for polarized structure.
Further, the ceramic arc chute is U-shaped structure, and two parallel portions including being oppositely arranged are parallel with for connecting two
The connecting portion of portion one end, is equipped with tooth form raised line on the medial surface of two parallel portion, the extending direction of the tooth form raised line with
The axis of D.C. contactor is parallel.The top of the tooth form raised line is cambered surface, can be remained to avoid electrostatic.It is equipped on medial surface
Tooth form raised line can increase the length of electric arc, and electric arc is made to be more prone to disconnected, improve reliability.
Further, the stationary contact rack inner wall connect the other end with stationary contact stent equipped with one end and extends to arc-chutes
The first stay, the second stay and third stay, first stay, the second stay and third stay are four, four institutes
It states the first stay to be symmetricly set on two-by-two in the opposite a pair of sidewalls of stationary contact stent, four second stays are symmetrically set two-by-two
It puts on the opposite another pair side wall of stationary contact stent, the length of the distance between second stay described in homonymy and arc extinguishing magnet steel A
Matching, the arc chute are fixed in the space that the first stay of homonymy and the second stay surround, and second stay goes out with homonymy
Arc slot surrounds the fixed space of arc extinguishing magnet steel A, and first stay and the second stay are mutually perpendicular to;The third stay with it is described
First stay is arranged in parallel, and is two-by-two one group of distribution that is centrosymmetric, and every group of third stay is located at the first stay and the second support
Between item, the fixed space of arc extinguishing magnet steel B is surrounded with the parallel portion for organizing third stay and homonymy.The stationary contact stent packet
A pair of of the straight sidewall being oppositely arranged and a pair of of the curved wall being oppositely arranged are included, first stay is connect with the straight sidewall,
Second stay is connect with the curved wall.Arc extinguishing magnet steel A and arc extinguishing magnet steel B are fixed respectively by stay.
Further, since the raising of D.C. contactor enclosure interior temperature can cause the raising of internal pressure, if will not pressure
Power releases in time can have the security risks such as explosion, and the pressure relief assembly includes one way pressure-reducing valve and is located at the unidirectional decompression
Dust cap on valve, the one way pressure-reducing valve include valve core shell and the spool, valve core case, the spool that are arranged on inside valve core shell
Pad, O-ring and spring, the spool are placed in inside the valve core shell, and the O-ring is sealedly connected on the upper of spool and valve core shell
End, the lower end inside of the spool are connect with the spool pad, and the outside of the lower end of the spool is arranged the valve core case, and institute
It states valve core case bottom and offers through-hole, the spring is set on the spool between O-ring and valve core case, and the lower spring end
It is connect with the spool, the valve core shell, valve core case connect the unidirectional buck channel inside and outside housing with spool formation.By unidirectional
Pressure reducing valve is capable of the pressure of timely balance shell inside and outside, due to being check valve, can meet the requirement of pressure release and meet shell
The requirement sealed in vivo.Dust cap is used for the centre bore that dust is avoided to block pressure reducing valve, influences antihypertensive effect and pressure decay rate;Profit
The balance of housing inner and outer air pressure is realized with one way pressure-reducing valve, improves the safety of D.C. contactor.
Further, the center of the spool is equipped with the centre bore above and below axial connection spool, is set on the side wall of the spool
There is the side opening connected with centre bore, the spool pad is connect with the centre bore below the side opening, and the spool lower end is plugged in
In the valve core case, and with the valve core case clearance fit, gap between the centre bore, side opening, valve core case and spool with
And through-hole forms buck channel.Spool at side opening does skiving processing, reduces the contact area of spool and spring, reduces and rub
It wipes, meanwhile, also shorten gas flows through path, reduces resistance, realizes reduction of blood pressure in high-speed.
Further, for the ease of the support of spring, the spool below the side opening, which is equipped with, to be outward extended flange, described
Lower spring end is connect with the flange.
Further, in order to enable spool pad and valve core case are timely and effective to detach, the valve core case bottom and the spool
Support ring is equipped between pad, the support ring ring is located at the through-hole periphery, and the height of the support ring is low for intermediate high both sides,
In the structure gradually successively decreased.Contact area between spool pad and valve core case is reduced using support ring, the air pressure liter in housing
It is more prone to quickly and effectively detach when high, improves the sensitivity of pressure reducing valve.
Further, the through-hole lower end bellmouth upward for small end, the through-hole upper end are bottom and the bellmouth
The cylindrical hole of small end connection.Through-hole cross section, which becomes smaller, to increase pressure, and air velocity increases, it is easier to jack up spool pad.
During pressure release, when enclosure interior pressure increases, internal pressure is acted on by through-hole on the bottom surface of spool pad, works as pressure
Increase to a certain extent, can jack up spool pad, due to acting on for the support force by spool pad, spool also moves upwards, and makes
Valve core case is detached with spool pad, so as to which the buck channel that through-hole is made to be formed successively with gap, side opening, centre bore connects, makes inside
Pressure is discharged along buck channel.Spool push the spring simultaneously, makes spring be in compressive state.
After pressure drops to certain value, due to the elastic force effect by spring, spool and spool pad are fallen, spool pad weight
Newly through-hole is closed, through-hole is made to disconnect the sealing inside realizing with buck channel.
The beneficial effects of the invention are as follows:A kind of high-performance direct current contactor provided by the invention is gone out using polarized is increased
Arc component, detection components and pressure relief assembly improve the reliability and performance of D.C. contactor.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structure diagram of preferred embodiment;
Fig. 2 is the vertical view of preferred embodiment;
Fig. 3 is the sectional view of B-B in Fig. 2;
Fig. 4 is the enlarged structure schematic diagram of A in Fig. 3;
Fig. 5 is the enlarged structure schematic diagram of C in Fig. 4;
Fig. 6 is the structure diagram of arc extinguishing component;
Fig. 7 is arc extinguishing magnet steel arrangement schematic diagram;
Fig. 8 is the structure diagram of stationary contact stent;
Fig. 9 is the structure diagram of stationary contact stent;
Figure 10 is the structure diagram of ceramic arc chute.
In figure:1st, housing, 1-1, fixed ear base, 2-1, coil brace, 2-2, guide sleeve, 2-3, dynamic iron core, 3-1, promotion
3-3, bar, 3-2, movable contact spring restore spring, 4-1, stationary contact stent, 4-11, the first stay, 4-12, the second stay, 4-13, the
Three stays, 4-14, straight sidewall, 4-15, curved wall, 4-2, copper stud, 5, felt pad, 6-1, microswitch, 6-2, switch push away
Bar, 7-1, ceramic arc chute, 7-11, parallel portion, 7-12, connecting portion, 7-13, tooth form raised line, 7-3,7-2, arc extinguishing magnet steel A go out
Arc magnet steel B, 8, dust cap, 9-1, spool, 9-11, centre bore, 9-2, valve core case, 9-21, through-hole, 9-22, support ring, 9-3,
Spool pad, 9-4, O-ring, 9-5, spring, 9-6, valve core shell.
Specific embodiment
Presently in connection with attached drawing, the present invention is described in detail.This figure is simplified schematic diagram, is only illustrated in a schematic way
The basic structure of the present invention, therefore it only shows composition related to the present invention.
As Figure 1-10 shows, a kind of high-performance direct current contactor of the invention, including housing 1 and is arranged in housing 1
Coil block, stationary contact component, movable contact component, detection components, arc extinguishing component and the pressure relief assembly in portion, 1 bottom of housing
Two fixed ear base 1-1 are radially arranged with, the arc extinguishing component is arranged in the contact chamber, and the pressure relief assembly is fixed
It is connected on top plate, the pressure relief assembly is used to balance the air pressure inside and outside housing 1, and the detection components contact for detecting direct current
Device working condition, the detection components are connect respectively with movable contact component and stationary contact stent 4-1, and the stationary contact component is fixed
On stationary contact stent 4-1, the movable contact component is located at the lower section of the stationary contact stent 4-1, and the movable contact component
Lower section is connect with the coil block.
As shown in figure 3, the coil block includes coil brace 2-1, coil, guide sleeve 2-2 and dynamic iron core 2-3, coil
The outside of coil brace 2-1 is wrapped in, the dynamic iron core 2-3 is located at the inside of the coil brace 2-1, and the dynamic iron core 2-
3 are fixedly connected with catch bar 3-1 bottoms, and the guide sleeve 2-2 is set in the outside of the dynamic iron core 2-3, for dynamic iron core 2-3
The guiding of movement.
The movable contact component includes catch bar 3-1, movable contact spring 3-2 and restores spring 3-3, the catch bar 3-1 upper ends
The position for connecting movable contact spring 3-2, the movable contact spring 3-2 is corresponding with copper stud 4-2 positions, restores spring 3-3 and is set in movable contact spring
On catch bar 3-1 below 3-2, recovery when being disconnected for contact.
The stationary contact component is located at coil block top, and the stationary contact component includes stationary contact stent 4-1 and two
A copper stud 4-2, the stationary contact stent 4-1 include top plate and contact chamber, and the copper stud 4-2 is fixedly connected on top plate,
And both ends are lower upwards respectively extends, the copper stud 4-2 lower ends are extended in arc-chutes, the stationary contact stent 4-1 with it is described
Felt pad 5 is equipped between coil brace 2-1.
The detection components include microswitch 6-1 and switch plunger 6-2, and the microswitch 6-1, which is fixedly connected on, to go out
On stationary contact stent 4-1 on the outside of arc chamber, the sound contact of microswitch 6-1 and arc-chutes is divided by stationary contact stent 4-1
From, improve the reliability of detection, the shrapnel of the microswitch 6-1 is located at lower section, the wiring pin of the microswitch 6-1 with
The test leading foot electrical connection being fixed on stationary contact stent 4-1, described switch plunger 6-2 one end is fixed with catch bar 3-1 to be connected
It connects, and is synchronized with the movement with the catch bar 3-1, the switch plunger 6-2 other ends extend the stationary contact stent 4-1 to institute
It states immediately below shrapnel.
As shown in fig. 6-7, the arc extinguishing component includes being arranged on two groups of magnetic steel components and two inside stationary contact stent 4-1
A ceramics arc chute 7-1, two groups of magnetic steel components are separately fixed between two ceramics arc chute 7-1 and stationary contact stent 4-1, and two
A ceramics arc chute 7-1 be oppositely arranged it is intermediate form arc-chutes, two groups of magnetic steel components are centrosymmetric distribution, every group of magnetic steel component
Including the arc extinguishing magnet steel A7-2 being at right angles distributed and arc extinguishing magnet steel B7-3, and the polarity of arc extinguishing magnet steel A7-2 and arc extinguishing magnet steel B7-3
Polarity it is opposite.
As shown in Figure 10, the ceramic arc chute 7-1 is U-shaped structure, including two parallel portion 7-11 being oppositely arranged and use
In the connecting portion 7-12 for connecting two parallel portion 7-11 one end, tooth form raised line 7- is equipped on the medial surface of the two parallel portions 7-11
13, the extending direction of the tooth form raised line 7-13 is parallel with the axis of D.C. contactor.The top of the tooth form raised line 7-13 is
Cambered surface.
As Figure 8-9, the contact chamber of the stationary contact stent 4-1 includes a pair of of the straight sidewall 4-14 being oppositely arranged and phase
To a pair of of curved wall 4-15 of setting, the stationary contact stent 4-1 inner walls are connect separately equipped with one end with stationary contact stent 4-1
The first stay 4-11, the second stay 4-12 and third stay 4-13, the first stay 4-11 that one end extends to arc-chutes,
Two stay 4-12 and third stay 4-13 are four, and four the first stay 4-11 are symmetricly set on stationary contact stent two-by-two
On a pair of of straight sidewall 4-14 opposite 4-1, it is opposite that four the second stay 4-12 are symmetricly set on stationary contact stent 4-1 two-by-two
Another pair curved wall 4-15 on, the length of the distance between second stay 4-12 and arc extinguishing magnet steel A7-2 described in homonymy
Match, the arc chute is fixed in the space that homonymy the first stay 4-11 and the second stay 4-12 are surrounded, the second stay 4-
12 surround the fixed space of arc extinguishing magnet steel A7-2 with homonymy arc chute, and the first stay 4-11 and the second stay 4-12 mutually hang down
Directly;The third stay 4-13 is arranged in parallel with the first stay 4-11, and is two-by-two one group of distribution that is centrosymmetric, every group
Third stay 4-13 is put down between the first stay 4-11 and the second stay 4-12 with group third stay 4-13 and the described of homonymy
Row portion 7-11 surrounds the fixed space of arc extinguishing magnet steel B7-3.
As shown in Figure 3-4, the pressure relief assembly includes one way pressure-reducing valve and is located at dust-proof on the one way pressure-reducing valve
Cap 8, the one way pressure-reducing valve include valve core shell 9-6 and the spool 9-1, valve core case 9-2, the valve that are arranged on inside valve core shell 9-6
Core pad 9-3, O-ring 9-4 and spring 9-5, the spool 9-1 are placed in inside the valve core shell 9-6, and the O-ring 9-4 sealings connect
The upper end of spool 9-1 and valve core shell 9-6 are connected on, is connect inside the lower end of the spool 9-1 with spool pad 9-3, the valve
The outside of the lower end of core 9-1 is arranged the valve core case 9-2, and the valve core case 9-2 bottoms offer through-hole 9-21, the spring
9-5 is set on the spool 9-1 between O-ring 9-4 and valve core case 9-2, and the spring 9-5 lower ends connect with the spool 9-1
It connects, the valve core shell 9-6, valve core case 9-2 connect the unidirectional buck channel inside and outside housing 1 with spool 9-1 formation.
The center of the spool 9-1 is equipped with the centre bore 9-11 of axial connection above and below spool 9-1, the side of the spool 9-1
Wall is equipped with the side opening connected with centre bore 9-11, and the spool pad 9-3 is connect with the centre bore 9-11 below the side opening, institute
Spool 9-1 lower ends are stated to be plugged in the valve core case 9-2, and with the valve core case 9-2 clearance fits, the centre bore 9-11,
Gap and through-hole 9-21 between side opening, valve core case 9-2 and spool 9-1 form buck channel.Spool below the side opening
9-1 is equipped with and outward extends flange, and the spring 9-5 lower ends are connect with the flange.The valve core case 9-2 bottoms with it is described
Support ring 9-22 is equipped between spool pad 9-3, the support ring 9-22 rings are located at the through-hole 9-21 peripheries, the support ring 9-
22 height is low for intermediate high both sides.The through-hole 9-21 lower ends bellmouth upward for small end, the through-hole 9-21 upper ends are
The cylindrical hole that bottom is connect with the bellmouth small end.
Using above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff
Various changes and amendments can be carried out in not inclined the scope of the present invention completely.The technical scope of this invention not office
The content being limited on specification, it is necessary to which its technical scope is determined according to right.
Claims (8)
1. a kind of high-performance direct current contactor, it is characterised in that:Including housing(1)And it is arranged on housing(1)Internal coil
Component, stationary contact component, movable contact component, detection components, arc extinguishing component and pressure relief assembly, the stationary contact component include stationary contact
Point stent(4-1), the stationary contact stent(4-1)Including top plate and contact chamber, the arc extinguishing component is arranged on the contact chamber
Interior, the pressure relief assembly is fixedly connected on the top plate, and the pressure relief assembly is used to balance housing(1)Inside and outside air pressure, institute
Detection components are stated for detecting D.C. contactor working condition, the detection components respectively with movable contact component and stationary contact stent
(4-1)Connection, the copper stud of the stationary contact component(4-2)It is fixed on stationary contact stent(4-1)On, the movable contact component position
In the stationary contact stent(4-1)Lower section, and the movable contact component below connect with the coil block;
The arc extinguishing component includes being arranged on stationary contact stent(4-1)Two groups of internal magnetic steel components and two ceramic arc chutes
(7-1), two groups of magnetic steel components are separately fixed at two ceramic arc chutes(7-1)With stationary contact stent(4-1)Between, two ceramics
Arc chute(7-1)Be oppositely arranged it is intermediate form arc-chutes, two groups of magnetic steel components are centrosymmetric distribution, and every group of magnetic steel component includes
The arc extinguishing magnet steel A being at right angles distributed(7-2)With arc extinguishing magnet steel B (7-3), and arc extinguishing magnet steel A(7-2)Polarity and arc extinguishing magnet steel B
The polarity of (7-3) is opposite.
2. high-performance direct current contactor as described in claim 1, it is characterised in that:The ceramics arc chute(7-1)For U-shaped knot
Structure, including two parallel portions being oppositely arranged(7-11)With for connecting two parallel portions(7-11)The connecting portion of one end(7-12), institute
State two parallel portions(7-11)Medial surface on be equipped with tooth form raised line(7-13), the tooth form raised line(7-13)Extending direction with
The axis of D.C. contactor is parallel.
3. high-performance direct current contactor as claimed in claim 2, it is characterised in that:The stationary contact stent(4-1)On inner wall
Equipped with one end and stationary contact stent(4-1)The first stay that the connection other end extends to arc-chutes(4-11), the second stay(4-
12)With third stay(4-13), first stay(4-11), the second stay(4-12)With third stay(4-13)It is four
It is a, four first stays(4-11)It is symmetricly set on stationary contact stent two-by-two(4-1)In opposite a pair of sidewalls, four institutes
State the second stay(4-12)It is symmetricly set on stationary contact stent two-by-two(4-1)On opposite another pair side wall, second described in homonymy
Stay(4-12)The distance between with arc extinguishing magnet steel A(7-2)Length matching, the arc chute is fixed on the first stay of homonymy
(4-11)With the second stay(4-12)In the space surrounded, second stay(4-12)Arc extinguishing magnet steel is surrounded with homonymy arc chute
A(7-2)Fixed space, first stay(4-11)With the second stay(4-12)It is mutually perpendicular to;The third stay(4-
13)With first stay(4-11)It is arranged in parallel, and is two-by-two one group of distribution that is centrosymmetric, every group of third stay(4-13)
Positioned at the first stay(4-11)With the second stay(4-12)Between, with group third stay(4-13)With the parallel portion of homonymy
(7-11)Surround the fixed space of arc extinguishing magnet steel B (7-3).
4. high-performance direct current contactor as described in claim 1, it is characterised in that:The pressure relief assembly includes one way pressure-reducing valve
With the dust cap being located on the one way pressure-reducing valve(8), the one way pressure-reducing valve include valve core shell(9-6)And it is arranged on valve
Core shell(9-6)Internal spool(9-1), valve core case(9-2), spool pad(9-3), O-ring(9-4)And spring(9-5), the valve
Core(9-1)It is placed in the valve core shell(9-6)Inside, the O-ring(9-4)It is sealedly connected on spool(9-1)And valve core shell(9-6)
Upper end, the spool(9-1)Lower end inside with the spool pad(9-3)Connection, the spool(9-1)Lower end outside
It is arranged the valve core case(9-2), and the valve core case(9-2)Bottom offers through-hole(9-21), the spring(9-5)It is set in
O-ring(9-4)With valve core case(9-2)Between spool(9-1)On, and the spring(9-5)Lower end and the spool(9-1)Even
It connects, the valve core shell(9-6), valve core case(9-2)And spool(9-1)Form connection housing(1)Inside and outside unidirectional buck channel.
5. high-performance direct current contactor as claimed in claim 4, it is characterised in that:The spool(9-1)Center be equipped with axis
To connection spool(9-1)Upper and lower centre bore(9-11), the spool(9-1)Side wall be equipped with and centre bore(9-11)Connection
Side opening, the spool pad(9-3)With the centre bore below the side opening(9-11)Connection, the spool(9-1)Lower end plugs
In the valve core case(9-2)It is interior, and with the valve core case(9-2)Clearance fit, the centre bore(9-11), side opening, valve core case
(9-2)With spool(9-1)Between gap and through-hole(9-21)Form buck channel.
6. high-performance direct current contactor as claimed in claim 5, it is characterised in that:Spool below the side opening(9-1)On
Equipped with outward extending flange, the spring(9-5)Lower end is connect with the flange.
7. high-performance direct current contactor as claimed in claim 6, it is characterised in that:The valve core case(9-2)Bottom with it is described
Spool pad(9-3)Between be equipped with support ring(9-22), the support ring(9-22)Ring is located at the through-hole(9-21)Periphery, it is described
Support ring(9-22)Height it is low for intermediate high both sides.
8. high-performance direct current contactor as claimed in claim 7, it is characterised in that:The through-hole(9-21)Lower end for small end to
On bellmouth, the through-hole(9-21)Upper end is the cylindrical hole that bottom is connect with the bellmouth small end.
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CN201611254105.5A CN106710965B (en) | 2016-12-30 | 2016-12-30 | A kind of high-performance direct current contactor |
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CN109545622A (en) * | 2018-12-14 | 2019-03-29 | 安徽华成电子科技有限公司 | A kind of device in sealing contact explosion-proof early warning structure of losing heart |
CN110289195B (en) * | 2019-07-22 | 2020-12-04 | 旭格威科技(上海)有限公司 | Direct current contactor convenient to installation manufacturing |
KR20210025959A (en) * | 2019-08-28 | 2021-03-10 | 엘에스일렉트릭(주) | Arc path forming part and direct current relay include the same |
CN114613628B (en) * | 2022-03-18 | 2023-11-24 | 深圳市友利通新能源科技有限公司 | DC contactor |
CN115642056B (en) * | 2022-11-17 | 2023-03-21 | 东莞市中汇瑞德电子股份有限公司 | High-voltage direct-current relay with auxiliary contacts |
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CN2344617Y (en) * | 1998-08-11 | 1999-10-20 | 杨克 | Pressure release valve capable of quickly coupling with liquified gas |
CN2415445Y (en) * | 2000-01-08 | 2001-01-17 | 上海电器科学研究所 | Contact arc extinguishing device for low-capacity contactor |
JP4055338B2 (en) * | 2000-07-19 | 2008-03-05 | 松下電工株式会社 | Contact device |
JP5966469B2 (en) * | 2012-03-15 | 2016-08-10 | オムロン株式会社 | Sealed contact device |
CN204102809U (en) * | 2014-09-10 | 2015-01-14 | 昆山维安盛电子有限公司 | A kind of D.C. high-current relay |
CN204558372U (en) * | 2015-03-31 | 2015-08-12 | 厦门宏发电力电器有限公司 | The arc extinguishing magnetic circuit of opposing/coupling electrodynamic repulsion force and direct current relay thereof |
CN205004266U (en) * | 2015-07-27 | 2016-01-27 | 天水二一三电器有限公司 | Band wire circle control module's direct current contactor |
CN205230952U (en) * | 2015-11-19 | 2016-05-11 | 苏州安来强电子科技有限公司 | Canned type direct current contactor of band signal feedback |
CN205354959U (en) * | 2016-02-18 | 2016-06-29 | 常州市吉士电器有限公司 | Direct current contactor with self -checking function |
CN206301738U (en) * | 2016-12-30 | 2017-07-04 | 常州市吉士电器有限公司 | A kind of high-performance direct current contactor |
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