CN106710965A - High-performance direct-current contactor - Google Patents
High-performance direct-current contactor Download PDFInfo
- Publication number
- CN106710965A CN106710965A CN201611254105.5A CN201611254105A CN106710965A CN 106710965 A CN106710965 A CN 106710965A CN 201611254105 A CN201611254105 A CN 201611254105A CN 106710965 A CN106710965 A CN 106710965A
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- Prior art keywords
- stay
- valve element
- stationary contact
- valve
- valve core
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Classifications
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- 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)
- Magnetically Actuated Valves (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The present invention provides a high-performance direct-current contactor. The high-performance direct-current contactor comprises a housing, a coil assembly, a fixed contact assembly, a movable contact assembly, a detection assembly, an arc extinguishing assembly and a pressure reduction assembly; the fixed contact assembly comprises a fixed contact support; the fixed contact support includes a top plate and a contact chamber; the arc extinguishing assembly is arranged in the contact chamber; the pressure reduction assembly is fixedly connected onto the top plate; the pressure reduction assembly is used for balancing pressure inside and outside the housing; and the detection assembly is used for detecting the working condition of a direct-current contact; the detection assembly is connected with the movable contact assembly and the fixed contact support; the fixed contact assembly is fixed onto the fixed contact support; the movable contact assembly is located under the fixed contact support; and the lower part of the movable contact assembly is connected with the coil assembly. According to the high-performance direct-current contactor of the invention, the polarity arc extinguishing assembly, the detection assembly and the pressure reduction assembly are additionally adopted, so that the reliability and performance of the direct-current contactor can be improved.
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, and it can be frequently switched on and disconnect the main electricity of direct current
Road, and far distance controlled can be realized, 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 within 300V, when drop-out voltage value is up to 700V-800V, existing direct current is contacted drop-out voltage
Device will occur the problems such as unstable, coil block of contact is easily damaged.When D.C. contactor works, its internal temperature can rise
Height, increases internal pressure, and existing D.C. contactor is sealing structure, it is impossible to timely pressure release, there is potential safety hazard.
The content of the invention
The technical problems to be solved by the invention are：In order to overcome deficiency of the prior art, the present invention to provide a kind of high
Performance D.C. contactor.
The present invention solves its technical problem technical scheme to be taken：A kind of high-performance direct current contactor, including shell
Body and it is arranged on the coil block of enclosure interior, stationary contact component, movable contact component, detection components, arc extinguishing component and decompression
Component, the stationary contact component includes stationary contact support, and the stationary contact support includes top board and contact chamber, the arc extinguishing component
It is arranged in the contact chamber, the pressure relief assembly is fixedly connected on the top board, the pressure relief assembly is used to balance housing
Inside and outside air pressure, the detection components are used to detect D.C. contactor working condition, the detection components respectively with movable contact group
Part and stationary contact support are connected, and the stationary contact component is fixed on stationary contact support, and the movable contact component is located at described quiet
It is connected with the coil block below the lower section of contact holder, and the movable contact component.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 that the two groups of magnetic steel components and two ceramics that are arranged on stationary contact internal stent go out
Arc groove, two groups of magnetic steel components are separately fixed between two ceramic arc chutes and stationary contact support, and two ceramic arc chutes are relative
Arc-chutes are formed in the middle of setting, two groups of magnetic steel components are centrosymmetric distribution, every group of magnetic steel component includes that what is be at right angles distributed goes out
Arc magnet steel A and arc extinguishing magnet steel B, and polarity and the arc extinguishing magnet steel B of arc extinguishing magnet steel A opposite polarity.By the arc extinguishing of original plastics
Groove is changed to the arc chute of ceramic material, improves the insulating properties of arc chute, makes the cooling velocity of electric arc faster, extends arc chute
Service life.Arc chute is used to fix arc extinguishing magnet steel in addition to the effect with arc extinguishing, also with stationary contact support assorted.Arc extinguishing
The polarity of magnet steel A makes whole D.C. contactor for polarized structure with the opposite polarity of arc extinguishing magnet steel B, forms the magnetic field of rotation.
Further, the ceramic arc chute is U-shape structure, including two parallel portions being oppositely arranged are two parallel with for connecting
The connecting portion of portion one end, is equipped with tooth form raised line on the medial surface of two parallel portion, the bearing of trend of the tooth form raised line with
The diameter parallel of D.C. contactor.The top of the tooth form raised line is cambered surface, and electrostatic can be avoided to remain.It is provided with medial surface
Tooth form raised line can increase the length of electric arc, electric arc is more prone to disconnected, improve reliability.
Further, the stationary contact rack inner wall is provided with one end and the other end is connected with stationary contact support to arc-chutes extension
The first stay, the second stay and the 3rd stay, first stay, the second stay and the 3rd stay are four, four institutes
State the first stay to be symmetricly set on two-by-two in the relative a pair of sidewalls of stationary contact support, four second stays symmetrically set two-by-two
Put in the relative another a pair of sidewalls of stationary contact support, the length of the distance between second stay described in homonymy and arc extinguishing magnet steel A
Matching, the arc chute is fixed in the space that the stay of homonymy first and the second stay are surrounded, and second stay goes out with homonymy
Arc groove surrounds the fixed space of arc extinguishing magnet steel A, and first stay and the second stay are mutually perpendicular to；3rd stay with it is described
First stay be arranged in parallel, and is two-by-two one group of distribution that is centrosymmetric, and every group of the 3rd stay is located at the first stay and the second support
Between bar, the fixed space of arc extinguishing magnet steel B is surrounded with the parallel portion of homonymy with the 3rd stay of group.The stationary contact support bag
A pair of straight sidewalls being oppositely arranged and a pair of curved walls being oppositely arranged are included, first stay is connected with the straight sidewall,
Second stay is connected with the curved wall.Arc extinguishing magnet steel A and arc extinguishing magnet steel B are fixed respectively by stay.
Further, because D.C. contactor enclosure interior temperature raises the rising that can cause internal pressure, if will not pressure
Power is released in time can have the potential safety hazards such as blast, 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 includes valve core shell and the valve element, valve core case, the valve element that are arranged on inside valve core shell
Pad, O-ring and spring, the valve element are placed in inside the valve core shell, and the O-ring is sealedly connected on the upper of valve element and valve core shell
End, is connected inside the lower end of the valve element with the valve element pad, and the outside of the lower end of the valve element is arranged the valve core case, and institute
State valve core case bottom and offer through hole, the spring is set on the valve element between O-ring and valve core case, and the lower spring end
It is connected with the valve element, the valve core shell, valve core case form the unidirectional buck channel connected inside and outside housing with valve element.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 shell can be met again
The requirement of sealing in vivo.Dust cap is used for the centre bore for avoiding dust from blocking 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, the security of D.C. contactor is improved.
Further, the center of the valve element is provided with the axially upper and lower centre bore of connection valve element, is set on the side wall of the valve element
There is the side opening connected with centre bore, the valve element pad is connected with the centre bore below the side opening, and the valve element lower end is plugged in
In the valve core case, and with the valve core case gap coordinate, the centre bore, the gap between side opening, valve core case and valve element with
And through hole forms buck channel.Valve element at side opening does skiving treatment, reduces the contact area of valve element and spring, reduces and rubs
Wipe, 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 valve element below the side opening is provided with and outward extends flange, described
Lower spring end is connected with the flange.
Further, in order that valve element pad timely and effective can be separated with valve core case, the valve core case bottom and the valve element
Support ring is provided between pad, the support ring ring is located at the through hole periphery, and the height of the support ring is that middle both sides high are low,
In the structure gradually successively decreased.Contact area between valve element pad and valve core case is reduced using support ring, the air pressure liter in housing
It is more prone to quickly efficiently separate when high, improves the sensitivity of pressure-reducing valve.
Further, the through hole lower end is the upward bellmouth of small end, and the through hole upper end is bottom and the bellmouth
The cylindrical hole of small end connection.Through hole cross section diminishes can increase pressure, and air velocity increases, it is easier to jack-up valve element pad.
During pressure release, when the increase of enclosure interior pressure, internal pressure is acted on the bottom surface of valve element pad by through hole, works as pressure
Increase to a certain extent, can be by valve element pad jack-up, and due to acting on for the support force by valve element pad, valve element is also moved upwards, is made
Valve core case is separated with valve element pad, so that the buck channel that through hole is formed with gap, side opening, centre bore successively is connected, makes inside
Pressure is discharged along buck channel.Valve element push the spring, makes spring be in compressive state simultaneously.
After pressure drops to certain value, because the elastic force by spring is acted on, valve element and valve element pad fall, valve element pad weight
Newly through hole is closed, through hole is disconnected the sealing inside realizing with buck channel.
The beneficial effects of the invention are as follows：A kind of high-performance direct current contactor that the present invention is provided, is gone out using polarized is increased
Arc component, detection components and pressure relief assembly improve the reliability and performance of D.C. contactor.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of preferred embodiment；
Fig. 2 is the top view of preferred embodiment；
Fig. 3 is the sectional view of B-B in Fig. 2；
Fig. 4 is the mplifying structure schematic diagram of A in Fig. 3；
Fig. 5 is the mplifying structure schematic diagram of C in Fig. 4；
Fig. 6 is the structural representation of arc extinguishing component；
Fig. 7 is arc extinguishing magnet steel arrangement schematic diagram；
Fig. 8 is the structural representation of stationary contact support；
Fig. 9 is the structural representation of stationary contact support；
Figure 10 is the structural representation of ceramic arc chute.
In figure：1st, housing, 1-1, fixed ear base, 2-1, coil brace, 2-2, fairlead, 2-3, dynamic iron core, 3-1, promotion
Bar, 3-2, movable contact spring, recover spring at 3-3,4-1, stationary contact support, 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 are pushed away
Bar, 7-1, ceramic arc chute, 7-11, parallel portion, 7-12, connecting portion, 7-13, tooth form raised line, go out at 7-2, arc extinguishing magnet steel A, 7-3
Arc magnet steel B, 8, dust cap, 9-1, valve element, 9-11, centre bore, 9-12, side opening, 9-13, flange, 9-2, valve core case are 9-21, logical
Hole, 9-22, support ring, 9-3, valve element pad, 9-4, O-ring, 9-5, spring, 9-6, valve core shell.
Specific embodiment
Presently in connection with accompanying drawing, the present invention is described in detail.This figure is simplified schematic diagram, is only illustrated in a schematic way
Basic structure of the invention, therefore it only shows the composition relevant with the present invention.
As Figure 1-10 shows, a kind of high-performance direct current contactor of the invention, including housing 1 and it is arranged in housing 1
The coil block in portion, stationary contact component, movable contact component, detection components, arc extinguishing component and pressure relief assembly, the bottom of the housing 1
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 board, the pressure relief assembly is used to balance the air pressure inside and outside housing 1, and the detection components are used to detect that direct current is contacted
Device working condition, the detection components are connected with movable contact component and stationary contact support 4-1 respectively, and the stationary contact component is fixed
On stationary contact support 4-1, the movable contact component is located at the lower section of the stationary contact support 4-1, and the movable contact component
Lower section is connected with the coil block.
As shown in figure 3, the coil block includes coil brace 2-1, coil, fairlead 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 fairlead 2-2 is set in the outside of the dynamic iron core 2-3, for dynamic iron core 2-3
The guiding of motion.
The movable contact component includes catch bar 3-1, movable contact spring 3-2 and recovers spring 3-3, the catch bar 3-1 upper ends
The position of connection movable contact spring 3-2, the movable contact spring 3-2 is corresponding with copper stud 4-2 positions, recovers 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 support 4-1 and two
Individual copper stud 4-2, the stationary contact support 4-1 include top board and contact chamber, and the copper stud 4-2 is fixedly connected on top board,
And two ends are lower upwards respectively extends, the copper stud 4-2 lower ends are extended in arc-chutes, the stationary contact support 4-1 with it is described
Felt pad 5 is provided between coil brace 2-1.
The detection components include that microswitch 6-1 and switch plunger 6-2, the microswitch 6-1 are fixedly connected on and go out
On stationary contact support 4-1 on the outside of arc chamber, the sound contact of microswitch 6-1 and arc-chutes is divided by stationary contact support 4-1
From, improve the reliability of detection, the shell fragment 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 on stationary contact support 4-1 is fixed on, described switch plunger 6-2 one end is fixed with catch bar 3-1 and connected
Connect, and be synchronized with the movement with the catch bar 3-1, the switch plunger 6-2 other ends extend the stationary contact support 4-1 to institute
State immediately below shell fragment.
As shown in fig. 6-7, the arc extinguishing component includes being arranged on the two groups of magnetic steel components and two inside stationary contact support 4-1
Individual ceramic arc chute 7-1, two groups of magnetic steel components are separately fixed at two ceramics between arc chute 7-1 and stationary contact support 4-1, and two
Individual ceramic arc chute 7-1 be oppositely arranged it is middle form arc-chutes, two groups of magnetic steel components are centrosymmetric distribution, every group of magnetic steel component
Arc extinguishing magnet steel A7-2 and arc extinguishing magnet steel B7-3 including rectangular distribution, and arc extinguishing magnet steel A7-2 polarity and arc extinguishing magnet steel B7-3
Opposite polarity.
As shown in Figure 10, the ceramic arc chute 7-1 is U-shape structure, including the two parallel portion 7-11 that are 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 with the medial surface of the two parallel portions 7-11
13, the bearing of trend of the tooth form raised line 7-13 and the diameter parallel 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 support 4-1 includes a pair of the straight sidewall 4-14 and the phase that are oppositely arranged
To a pair of the curved wall 4-15 for setting, the stationary contact support 4-1 inwalls are provided with one end and are connected separately with stationary contact support 4-1
The first stay 4-11, the second stay 4-12 and the 3rd stay 4-13 that one end extends to arc-chutes, the first stay 4-11,
Two stay 4-12 and the 3rd stay 4-13 are four, and four the first stay 4-11 are symmetricly set on stationary contact support two-by-two
On a pair of 4-1 relative straight sidewall 4-14, it is relative that four the second stay 4-12 are symmetricly set on stationary contact support 4-1 two-by-two
Another on curved wall 4-15, length of the distance between the second stay 4-12 with arc extinguishing magnet steel A7-2 described in homonymy
Match somebody with somebody, 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 fixed spaces that arc extinguishing magnet steel A7-2 is surrounded with homonymy arc chute, the first stay 4-11 and the second stay 4-12 mutually hangs down
Directly；The 3rd stay 4-13 be arranged in parallel with the first stay 4-11, and is two-by-two one group of distribution that is centrosymmetric, every group
3rd stay 4-13 is located between the first stay 4-11 and the second stay 4-12, described flat with homonymy with the 3rd stay 4-13 of group
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 includes valve core shell 9-6 and the valve element 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 valve element 9-1 are placed in inside the valve core shell 9-6, and the O-ring 9-4 sealings connect
The upper end of valve element 9-1 and valve core shell 9-6 is connected on, is connected with the valve element pad 9-3 inside the lower end of the valve element 9-1, 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 valve element 9-1 between O-ring 9-4 and valve core case 9-2, and the spring 9-5 lower ends connect with the valve element 9-1
Connect, the valve core shell 9-6, valve core case 9-2 form the unidirectional buck channel connected inside and outside housing 1 with valve element 9-1.
The center of the valve element 9-1 is provided with axially connection valve element 9-1 upper and lower centre bore 9-11, the side of the valve element 9-1
Wall is provided with the centre bore 9- below the side opening 9-12, the valve element pad 9-3 and the side opening 9-12 connected with centre bore 9-11
11 connections, the valve element 9-1 lower ends are plugged in the valve core case 9-2, and are coordinated with the valve core case 9-2 gaps, it is described in
Heart hole 9-11, the gap between side opening 9-12, valve core case 9-2 and valve element 9-1 and through hole 9-21 form buck channel.The side
Valve element 9-1 below the 9-12 of hole is provided with and outward extends flange 9-13, and the spring 9-5 lower ends connect with the flange 9-13
Connect.Support ring 9-22 is provided between the valve core case 9-2 bottoms and the valve element pad 9-3, the support ring 9-22 rings are located at institute
Through hole 9-21 peripheries are stated, the height of the support ring 9-22 is that middle both sides high are low.The through hole 9-21 lower ends are that small end is upward
Bellmouth, the through hole 9-21 upper ends are the cylindrical hole that is connected with the bellmouth small end of bottom.
With above-mentioned according to desirable embodiment of the invention as enlightenment, by above-mentioned description, related 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
It is limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (9)
1. a kind of high-performance direct current contactor, it is characterised in that：Including housing (1) and the coil being arranged on inside housing (1)
Component, stationary contact component, movable contact component, detection components, arc extinguishing component and pressure relief assembly, the stationary contact component include stationary contact
Point support (4-1), the stationary contact support (4-1) includes top board and contact chamber, and the arc extinguishing component is arranged on the contact chamber
Interior, the pressure relief assembly is fixedly connected on the top board, and the pressure relief assembly is used to balance the air pressure inside and outside housing (1), institute
Detection components are stated for detecting D.C. contactor working condition, the detection components respectively with movable contact component and stationary contact support
(4-1) is connected, and the stationary contact component is fixed on stationary contact support (4-1), and the movable contact component is located at the stationary contact
It is connected with the coil block below the lower section of support (4-1), and the movable contact component.
2. high-performance direct current contactor as claimed in claim 1, it is characterised in that：The arc extinguishing component includes being arranged on stationary contact
Two groups of internal magnetic steel components of point support (4-1) and two ceramic arc chutes (7-1), two groups of magnetic steel components are separately fixed at two
Between ceramic arc chute (7-1) and stationary contact support (4-1), two ceramic arc chutes (7-1) are oppositely arranged middle formation arc extinguishing
Room, two groups of magnetic steel components are centrosymmetric distribution, and every group of magnetic steel component includes at right angles arc extinguishing magnet steel A (7-2) of distribution and go out
Arc magnet steel B (7-3), and polarity and arc extinguishing magnet steel B (7-3) of arc extinguishing magnet steel A (7-2) opposite polarity.
3. high-performance direct current contactor as claimed in claim 2, it is characterised in that：The ceramic arc chute (7-1) is U-shaped knot
Structure, including two parallel portions (7-11) that are oppositely arranged and the connecting portion (7-12) for connecting two parallel portions (7-11) one end, institute
Be equipped with tooth form raised line (7-13) on the medial surface for stating two parallel portions (7-11), the bearing of trend of the tooth form raised line (7-13) with
The diameter parallel of D.C. contactor.
4. high-performance direct current contactor as claimed in claim 3, it is characterised in that：On stationary contact support (4-1) inwall
It is provided with one end and the first stay (4-11), the second stay (4- that the other end extends to arc-chutes is connected with stationary contact support (4-1)
12) with the 3rd stay (4-13), first stay (4-11), the second stay (4-12) and the 3rd stay (4-13) are four
Individual, four first stays (4-11) are symmetricly set in the relative a pair of sidewalls of stationary contact support (4-1) two-by-two, four institutes
State the second stay (4-12) to be symmetricly set on two-by-two in the relative another a pair of sidewalls of stationary contact support (4-1), second described in homonymy
The distance between stay (4-12) is matched with the length of arc extinguishing magnet steel A (7-2), and the arc chute is fixed on the stay of homonymy first
In the space that (4-11) and the second stay (4-12) are surrounded, second stay (4-12) surrounds arc extinguishing magnet steel with homonymy arc chute
The fixed space of A (7-2), first stay (4-11) and the second stay (4-12) are mutually perpendicular to；3rd stay (the 4-
13) it is be arranged in parallel with first stay (4-11), and is two-by-two one group of distribution that is centrosymmetric, every group of the 3rd stay (4-13)
Between the first stay (4-11) and the second stay (4-12), with the 3rd stay (4-13) of group and the parallel portion of homonymy
(7-11) surrounds the fixed space of arc extinguishing magnet steel B (7-3).
5. high-performance direct current contactor as claimed in claim 1, it is characterised in that：The pressure relief assembly includes one way pressure-reducing valve
With the dust cap (8) being located on the one way pressure-reducing valve, the one way pressure-reducing valve is including valve core shell (9-6) and is arranged on valve
The internal valve element (9-1) of core shell (9-6), valve core case (9-2), valve element pad (9-3), O-ring (9-4) and spring (9-5), the valve
Core (9-1) is placed in the valve core shell (9-6) inside, and the O-ring (9-4) is sealedly connected on valve element (9-1) and valve core shell (9-6)
Upper end, be connected with the valve element pad (9-3) inside the lower end of the valve element (9-1), the outside of the lower end of the valve element (9-1)
The valve core case (9-2) is arranged, and the valve core case (9-2) bottom offers through hole (9-21), the spring (9-5) is set in
On valve element (9-1) between O-ring (9-4) and valve core case (9-2), and the spring (9-5) lower end is with the valve element (9-1) even
Connect, the valve core shell (9-6), valve core case (9-2) and valve element (9-1) form the unidirectional buck channel connected inside and outside housing (1).
6. high-performance direct current contactor as claimed in claim 5, it is characterised in that：The center of the valve element (9-1) is provided with axle
To the upper and lower centre bore (9-11) of connection valve element (9-1), the side wall of the valve element (9-1) is provided with and is connected with centre bore (9-11)
Side opening (9-12), the valve element pad (9-3) is connected with the centre bore (9-11) below the side opening (9-12), the valve element
(9-1) lower end is plugged in the valve core case (9-2), and is coordinated with the valve core case (9-2) gap, the centre bore (9-
11) gap and through hole (9-21), between side opening (9-12), valve core case (9-2) and valve element (9-1) forms buck channel.
7. high-performance direct current contactor as claimed in claim 6, it is characterised in that：Valve element below the side opening (9-12)
(9-1) is provided with and outward extends flange (9-13), and spring (9-5) lower end is connected with the flange (9-13).
8. high-performance direct current contactor as claimed in claim 7, it is characterised in that：Valve core case (9-2) bottom with it is described
Support ring (9-22) is provided between valve element pad (9-3), support ring (9-22) ring is located at the through hole (9-21) periphery, described
The height of support ring (9-22) is that middle both sides high are low.
9. high-performance direct current contactor as claimed in claim 8, it is characterised in that：Through hole (9-21) lower end be small end to
On bellmouth, through hole (9-21) upper end is the cylindrical hole that is connected with the bellmouth small end of bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254105.5A CN106710965B (en) | 2016-12-30 | 2016-12-30 | A kind of high-performance direct current contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254105.5A CN106710965B (en) | 2016-12-30 | 2016-12-30 | A kind of high-performance direct current contactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106710965A true CN106710965A (en) | 2017-05-24 |
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| CN109084261A (en) * | 2018-09-17 | 2018-12-25 | 黄广权 | Wave Simulated flame lamp |
| 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 |
| CN110289195A (en) * | 2019-07-22 | 2019-09-27 | 旭格威科技（上海）有限公司 | It is easily installed the highly reliable D.C. contactor of manufacture |
| WO2021040172A1 (en) * | 2019-08-28 | 2021-03-04 | 엘에스일렉트릭㈜ | Arc path forming unit and direct current relay including same |
| CN114613628A (en) * | 2022-03-18 | 2022-06-10 | 深圳市友利通新能源科技有限公司 | Direct current contactor |
| CN115642056A (en) * | 2022-11-17 | 2023-01-24 | 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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| WO2021040172A1 (en) * | 2019-08-28 | 2021-03-04 | 엘에스일렉트릭㈜ | Arc path forming unit and direct current relay including same |
| CN114613628A (en) * | 2022-03-18 | 2022-06-10 | 深圳市友利通新能源科技有限公司 | Direct current contactor |
| 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 |
| CN115642056A (en) * | 2022-11-17 | 2023-01-24 | 东莞市中汇瑞德电子股份有限公司 | High-voltage direct-current relay with auxiliary contacts |
| 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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