CN109119293A - A kind of D.C. contactor contact system and the D.C. contactor - Google Patents

A kind of D.C. contactor contact system and the D.C. contactor Download PDF

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Publication number
CN109119293A
CN109119293A CN201811050040.1A CN201811050040A CN109119293A CN 109119293 A CN109119293 A CN 109119293A CN 201811050040 A CN201811050040 A CN 201811050040A CN 109119293 A CN109119293 A CN 109119293A
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CN
China
Prior art keywords
contact
contactor
moving contact
static
moving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811050040.1A
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Chinese (zh)
Other versions
CN109119293B (en
Inventor
李强
李冰
龚祚勇
杨园
于贻鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Liangxin Electrical Co Ltd
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Shanghai Liangxin Electrical Co Ltd
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Priority to CN201811050040.1A priority Critical patent/CN109119293B/en
Publication of CN109119293A publication Critical patent/CN109119293A/en
Application granted granted Critical
Publication of CN109119293B publication Critical patent/CN109119293B/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/54Contact arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/40Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc

Abstract

A kind of D.C. contactor contact system, it includes moving contact component (1) and static contact component (2), the engagement of the moving contact component (1) and the static contact component (2) and disengagement can control the on-off of the D.C. contactor, it is characterised in that: the moving contact component (1) and the static contact component (2) enclosure interior connect to form the D.C. contactor major loop of fracture there are four tools.The D.C. contactor, installs two moving contact pieces on an axis inside single-pole contactor, and major loop uses four breakpoint enclosure interior cascade of monopole, D.C. contactor may be implemented while small size, can quickly cut off high voltage electric arc.

Description

A kind of D.C. contactor contact system and the D.C. contactor
Technical field
The invention belongs to D.C. contactor technical fields, are specifically exactly to be related to a kind of D.C. contactor contact system and should D.C. contactor.
Background technique
D.C. contactor is commonly used on using battery as the vehicle of the energy, and control vehicle launch, speed regulation etc. are multiple Movement.With the rapid development of electric vehicles, market is higher and higher to the voltage rating demand of D.C. contactor.Since direct current connects The volume of tentaculum is determined by rated current, and contact space is closed.And influence the connection breaking capacity of D.C. contactor contactor Main factor be to turn on voltage, the connection voltage of D.C. contactor is higher, is less susceptible to normal ON disjunction, existing dynamic Contact scheme has been difficult meet the needs of connecting disjunction high voltage.
Chinese patent Authorization Notice No. CN206250126U discloses a kind of D.C. contactor, and D.C. contactor includes: dynamic Contact and static contact have spacing between moving contact and static contact, magnetic portion is equipped with around spacing, and magnetic portion generates arc extinguishing Magnetic field, D.C. contactor further include magnetic-conductance portion, are arranged in around spacing and are located at the outside of magnetic portion to weaken outside magnetic portion The contact assembly of the magnetic force of side, the D.C. contactor is weakened using single bridge-type contact structure by changing arc extinguishing area Distribution of Magnetic Field The magnetic induction intensity in non-arc extinguishing area is avoided because of the influence after increasing magnetic field to product installation attachment component;It reduces forever Magnet one end fringe magnetic leakage reinforces the magnetic field strength in rupturing duty area, to improve the arc extinguishing ability of product.But the direct current connects Electric arc continues the problem of arcing when tentaculum will exist in disjunction when high voltage occasion uses.
Summary of the invention
The purpose of the present invention is to above-mentioned existing D.C. contactors when connecting disjunction DC high voltage, is difficult The technical problem for extinguishing electric arc, provides a kind of D.C. contactor contact system and the D.C. contactor, inside single-pole contactor An axis on install two moving contact pieces, major loop use four breakpoint enclosure interior cascade of monopole, direct current may be implemented Contactor can quickly cut off high voltage electric arc while small size.
Technical solution
In order to achieve the above technical purposes, a kind of D.C. contactor contact system that the present invention designs, it includes moving contact Component and static contact component, engagement and the disengagement of the moving contact component and the static contact component can control the direct current and connect The on-off of tentaculum, it is characterised in that: the moving contact component and the static contact component enclosure interior connect to be formed there are four tools The D.C. contactor major loop of fracture.
Further, the moving contact component and static contact component enclosure interior connect to form U-shaped or zigzag major loop.
Further, the moving contact component includes moving contact one and moving contact two, and the moving contact one and moving contact two divide Zhuan not be in the step groove of support plate two sides, the support plate is on the end of axis;
The static contact component includes static contact one, static contact two and static contact three, the static contact one and static contact two Stationary contact it is corresponding with one in two both ends diagonal line of the moving contact one and moving contact upper movable contact at both ends respectively, it is described The dynamic touching with another upper both ends in two both ends diagonal line of moving contact one and moving contact respectively of two stationary contacts of static contact three Point is correspondingly formed zigzag major loop.
Further, the stationary contact of the static contact one and static contact two is same with the moving contact one and moving contact two respectively The movable contact at side both ends is corresponding, two stationary contacts of the static contact three respectively with two other side both ends of moving contact one and moving contact Movable contact be correspondingly formed U-shaped major loop.
Further, the high spot that the moving contact one and moving contact two are attached separately in the step groove of support plate two sides can It swings up and down.
The present invention also provides a kind of D.C. contactors comprising above-mentioned contact system, it is characterised in that: the static contact group Part is in the stationary contact bracket, and the stationary contact bracket is installed on insulating part, and the insulating part is installed on armature On one, the armature one is mounted in the upper surface of electromagnetic coil skeleton, and contact spring is sleeved on one end on axis and resists support plate, the other end The boss on the axis is resisted, the other end of axis passes through the insulating part and armature one is equipped with dynamic iron core, and reaction spring is sleeved on Dynamic iron core can be made to reset on the axis;
The stationary contact bracket forms seal chamber mounted in the oral area of magnetic yoke, and static contact one and the inserting of static contact two are mounted in described It is corresponding with the moving contact component to protrude into seal chamber for one end in stationary contact bracket, and the other end stretches out the magnetic yoke, electromagnetic coil bone The rack-mounted bottom in the magnetic yoke is limited equipped with spring card one on the axis on the outside of dynamic iron core, and dynamic iron core is located at electromagnetic wire In the inner cavity of ring framework, armature two is equipped between the dynamic iron core and electromagnetic coil skeleton, the magnetic yoke is cased, described Armature three is housed between outer casing bottom and the magnetic yoke.
Further, permanent magnet is located on the outside of the static contact component in the stationary contact bracket.
Further, it is limited on the axis of the support plate outboard end equipped with spring card two.
Beneficial effect
The present invention provides a kind of D.C. contactor contact system and the D.C. contactor, and one inside single-pole contactor Two moving contact pieces are installed, major loop uses four breakpoint enclosure interior cascade of monopole, D.C. contactor may be implemented on axis While small size, high voltage electric arc can be quickly cut off.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of D.C. contactor in the embodiment of the present invention 1;
Attached drawing 2 is contact system structure schematic diagram in the embodiment of the present invention 1;
Attached drawing 3 is moving contact component product figure in the embodiment of the present invention 1;
Attached drawing 4 is moving contact component structural schematic diagram in the embodiment of the present invention 1;
Attached drawing 5 is the position view of 1 protrusions of the embodiment of the present invention;
Attached drawing 6 is the structural schematic diagram of supporting element in the embodiment of the present invention 1;
Attached drawing 7 is fracture schematic diagram in the embodiment of the present invention 1;
Attached drawing 8 is contact system structure schematic diagram in the embodiment of the present invention 2;
Attached drawing 9 is fracture schematic diagram in the embodiment of the present invention 2.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be further described.
Embodiment 1
The present invention provides a kind of D.C. contactor contact systems, it includes moving contact component 1 and static contact component 2, institute The engagement and disengagement of stating moving contact component 1 and the static contact component 2 can control the on-off of the D.C. contactor, described dynamic Contact assembly 1 and 2 enclosure interior of the static contact component connect to be formed tool there are four fracture D.C. contactor major loop.
In particular, the moving contact component 1 includes moving contact 1 and moving contact as shown in attached drawing 2,3,4,5 and 6 2 102, the moving contact 1 and moving contact 2 102 are attached separately to the protrusion in the step groove 301,301 ' of 3 two sides of support plate 301a, 301a ' at can swing up and down, the support plate 3 mounted in axis 4 end on;
As shown in Fig. 2, the static contact component 2 includes static contact 1, static contact 2 202 and static contact 3 203, The stationary contact of the static contact 1 and static contact 2 202 respectively with the moving contact 1 and 2 102 both ends pair of moving contact The movable contact at one in linea angulata upper both ends is corresponding, two stationary contacts 203a, 203a ' of the static contact 3 203 respectively with it is dynamic The movable contact at another upper both ends in 2 102 both ends diagonal line of contact 1 and moving contact is correspondingly formed zigzag major loop.
As shown in Fig. 7, the course of work of the present embodiment is, contactor in on-state, moving contact component 1 with it is quiet The connection of contact assembly 2 forms a complete zigzag major loop access, and current path schematic diagram is as shown in Fig. 7.Work as contactor When just having started disjunction, four fractures of major loop are simultaneously switched off, and generate electric arc in incision position, and electric arc is in internal magnets and fracture Blow-out after rapid elongation is cooling under the action of spacing increases, realizes safely disconnecting for D.C. contactor.
Embodiment 2
The present invention also provides a kind of embodiment be as shown in Fig. 8, the static contact 1 and static contact 2 202 it is quiet Contact is corresponding with the movable contact at 2 102 the same side both ends of the moving contact 1 and moving contact respectively, the static contact 3 203 Two stationary contacts 203a, 203a ' shape corresponding with the movable contact at 2 102 other side both ends of moving contact 1 and moving contact respectively At U-shaped major loop.
As shown in Fig. 9, the course of work of the present embodiment is that contactor is in on-state, moving contact component 1 and stationary contact The connection of head assembly 2 forms a complete U-shaped major loop access, and current path schematic diagram is as shown in Fig. 9.When contactor is rigid When starting disjunction, four fractures of major loop are simultaneously switched off, and generate electric arc in incision position, and electric arc is between internal magnets and fracture Away from blow-out after rapid elongation cooling under the action of increase, safely disconnecting for D.C. contactor is realized.
As shown in Fig. 1, the present invention also provides a kind of D.C. contactor comprising above-mentioned contact system, the static contact groups In the stationary contact bracket 5, the stationary contact bracket 5 is installed on insulating part 6 part 2, the fixed dress of the insulating part 6 On armature 1, the armature 1 is mounted in the upper surface of electromagnetic coil skeleton 8, and contact spring 9 is sleeved on one end on axis 4 and resists branch Fagging 3, the other end resist the boss 401 on the axis 4, and the other end of axis 4 passes through the insulating part 6 and armature 1 equipped with dynamic Iron core 10, reaction spring 11, which is sleeved on the axis 4, can be such that dynamic iron core 10 resets;
The stationary contact bracket 5 forms seal chamber mounted in the oral area of magnetic yoke 12, and static contact 1 and static contact 2 202 are inserted It is corresponding with the moving contact component 1 that seal chamber is protruded into dress one end in the stationary contact bracket 5, the other end stretching magnetic yoke 12, electromagnetic coil skeleton 8 is mounted in the bottom of the magnetic yoke 12, carries out on the axis 4 in 10 outside of dynamic iron core equipped with spring card 1 Limit, dynamic iron core 10 are located in the inner cavity of electromagnetic coil skeleton 8, and rank is equipped between the dynamic iron core 10 and electromagnetic coil skeleton 8 Iron 2 14, the magnetic yoke 12 are equipped with armature 3 16 in shell 15 between 15 bottom of shell and the magnetic yoke 12.
Permanent magnet 17 is located at 2 outside of static contact component in the stationary contact bracket 5.
It is limited on the axis 4 of 3 outboard end of support plate equipped with spring card 2 18.
The present invention provides a kind of D.C. contactor contact system and the D.C. contactor, and one inside single-pole contactor Two moving contact pieces are installed, major loop uses four breakpoint enclosure interior cascade of monopole, D.C. contactor may be implemented on axis While small size, high voltage electric arc can be quickly cut off.
Structure depicted in this specification institute accompanying drawings of the embodiment of the present invention, ratio, size, quantity etc., only to cooperate specification Revealed content is not intended to limit the invention enforceable restriction item so that those skilled in the art understands and reads Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing Under the effect of present invention can be generated and the purpose that can reach, it should all still fall in disclosed technology contents and obtain and can contain In the range of lid.Meanwhile it is cited such as "upper", "lower", "left", "right", " centre ", " clockwise ", " inverse time in this specification The term of needle " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativeness It is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.

Claims (8)

1. a kind of D.C. contactor contact system, it includes moving contact component (1) and static contact component (2), the moving contact group The engagement and disengagement of part (1) and the static contact component (2) can control the on-off of the D.C. contactor, it is characterised in that: The moving contact component (1) and the static contact component (2) enclosure interior connect to be formed tool there are four fracture D.C. contactor Major loop.
2. a kind of D.C. contactor contact system as described in claim 1, it is characterised in that: the moving contact component (1) and Static contact component (2) enclosure interior connects to form U-shaped or zigzag major loop.
3. a kind of D.C. contactor contact system as claimed in claim 2, it is characterised in that: moving contact component (1) packet Moving contact one (101) and moving contact two (102) are included, the moving contact one (101) and moving contact two (102) are attached separately to support plate (3) in the step groove (301,301 ') of two sides, the support plate (3) is on the end of axis (4);
The static contact component (2) includes static contact one (201), static contact two (202) and static contact three (203), the stationary contact The stationary contact of first (201) and static contact two (202) respectively with the moving contact one (101) and moving contact two (102) both ends pair The movable contact at one in linea angulata upper both ends is corresponding, and two stationary contacts of the static contact three (203) (203a, 203a ') respectively Zigzag is correspondingly formed with the movable contact at another upper both ends in moving contact one (101) and moving contact two (102) both ends diagonal line Major loop.
4. a kind of D.C. contactor contact system as claimed in claim 3, it is characterised in that: the static contact one (201) and The stationary contact of static contact two (202) movable contact with the moving contact one (101) and moving contact two (102) the same side both ends respectively It is corresponding, two stationary contacts of the static contact three (203) (203a, 203a ') respectively with moving contact one (101) and moving contact two (102) movable contact at other side both ends is correspondingly formed U-shaped major loop.
5. a kind of D.C. contactor contact system as claimed in claim 2 or claim 3, it is characterised in that: the moving contact one (101) It is attached separately to moving contact two (102) at the protrusion in the step groove (301,301 ') of support plate (3) two sides (301a, 301a ') It can swing up and down.
6. a kind of D.C. contactor comprising contact system described in any one of the claims 1~5 claim, special Sign is: for the static contact component (2) on the stationary contact bracket (5), the stationary contact bracket (5) is installed on insulation On part (6), the insulating part (6) is installed on armature one (7), and the armature one (7) is upper mounted in electromagnetic coil skeleton (8) End face, contact spring (9) are sleeved on one end on axis (4) and resist support plate (3), and the other end resists the boss on the axis (4) (401), the other end of axis (4) passes through the insulating part (6) and armature one (7) is equipped with dynamic iron core (10), reaction spring (11) set On the axis (4) dynamic iron core (10) can reset;
Oral area of the stationary contact bracket (5) mounted in magnetic yoke (12) forms seal chamber, static contact one (201) and static contact two (202) inserting one end on the stationary contact bracket (5), other end corresponding with the moving contact component (1) that protrude into seal chamber It stretches out the magnetic yoke (12), electromagnetic coil skeleton (8) is mounted in the bottom of the magnetic yoke (12), the axis (4) on the outside of dynamic iron core (10) Upper to be limited equipped with spring card one (13), dynamic iron core (10) is located in the inner cavity of electromagnetic coil skeleton (8), the dynamic iron core (10) armature two (14) is equipped between electromagnetic coil skeleton (8), the magnetic yoke (12) is in shell (15), the shell (15) armature three (16) is housed between bottom and the magnetic yoke (12).
7. the D.C. contactor of contact system as claimed in claim 6, it is characterised in that: permanent magnet (17) is mounted in the stationary contact It is located on the outside of the static contact component (2) on head bracket (5).
8. the D.C. contactor of contact system as claimed in claim 6, it is characterised in that: support plate (3) outboard end It is limited on axis (4) equipped with spring card two (18).
CN201811050040.1A 2018-09-10 2018-09-10 Direct current contactor contact system and direct current contactor Active CN109119293B (en)

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CN201811050040.1A CN109119293B (en) 2018-09-10 2018-09-10 Direct current contactor contact system and direct current contactor

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Application Number Priority Date Filing Date Title
CN201811050040.1A CN109119293B (en) 2018-09-10 2018-09-10 Direct current contactor contact system and direct current contactor

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CN109119293B CN109119293B (en) 2024-03-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110491729A (en) * 2019-07-31 2019-11-22 贵州天义技术有限公司 A kind of 5G communication base station 1U400A bistable contactor
CN113471023A (en) * 2021-07-27 2021-10-01 上海电机学院 Direct current contactor contact device and direct current contactor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH211549A (en) * 1938-06-14 1940-09-30 Hermes Patentverwertungs Gmbh Contact arrangement for switching resp. Control units.
CN200962406Y (en) * 2006-07-03 2007-10-17 正泰集团股份有限公司 Gas sealing low voltage electrical appliance with the operation contact
CN101840815A (en) * 2010-05-18 2010-09-22 沈阳二一三控制电器制造有限公司 High dielectric voltage withstand direct-current contactor
CN203192711U (en) * 2013-04-16 2013-09-11 施耐德电器工业公司 Contactor
CN106531554A (en) * 2016-11-08 2017-03-22 仲大卫 Arcless breaking device of contactor, contactor and arcless breaking method
CN209199848U (en) * 2018-09-10 2019-08-02 上海良信电器股份有限公司 A kind of D.C. contactor contact system and the D.C. contactor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH211549A (en) * 1938-06-14 1940-09-30 Hermes Patentverwertungs Gmbh Contact arrangement for switching resp. Control units.
CN200962406Y (en) * 2006-07-03 2007-10-17 正泰集团股份有限公司 Gas sealing low voltage electrical appliance with the operation contact
CN101840815A (en) * 2010-05-18 2010-09-22 沈阳二一三控制电器制造有限公司 High dielectric voltage withstand direct-current contactor
CN203192711U (en) * 2013-04-16 2013-09-11 施耐德电器工业公司 Contactor
CN106531554A (en) * 2016-11-08 2017-03-22 仲大卫 Arcless breaking device of contactor, contactor and arcless breaking method
WO2018086366A1 (en) * 2016-11-08 2018-05-17 仲大卫 Arcless breaking device of contactor, contactor, and arcless breaking method
CN209199848U (en) * 2018-09-10 2019-08-02 上海良信电器股份有限公司 A kind of D.C. contactor contact system and the D.C. contactor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110491729A (en) * 2019-07-31 2019-11-22 贵州天义技术有限公司 A kind of 5G communication base station 1U400A bistable contactor
CN113471023A (en) * 2021-07-27 2021-10-01 上海电机学院 Direct current contactor contact device and direct current contactor

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