CN108400061A - High voltage direct current break-make device - Google Patents

High voltage direct current break-make device Download PDF

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Publication number
CN108400061A
CN108400061A CN201810455986.XA CN201810455986A CN108400061A CN 108400061 A CN108400061 A CN 108400061A CN 201810455986 A CN201810455986 A CN 201810455986A CN 108400061 A CN108400061 A CN 108400061A
Authority
CN
China
Prior art keywords
contact
high voltage
direct current
voltage direct
fixed
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
CN201810455986.XA
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Chinese (zh)
Other versions
CN108400061B (en
Inventor
陈亮
赵积玮
刘颖
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.)
Suzhou Super Cloud New Energy Co Ltd
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Suzhou Super Cloud New Energy Co Ltd
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Priority to CN201810455986.XA priority Critical patent/CN108400061B/en
Publication of CN108400061A publication Critical patent/CN108400061A/en
Application granted granted Critical
Publication of CN108400061B publication Critical patent/CN108400061B/en
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Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/023—Details concerning sealing, e.g. sealing casing with resin
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/641—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Abstract

Present invention is disclosed a kind of high voltage direct current break-make devices, including shell and the contact chamber to set within it and electromagnetic conversion room, the indoor catch bar of electromagnetic conversion, which moves up and down, can drive the indoor contact bridge of contact to move up and down and then the movable contact is made to engage conducting with fixed contact or detach disconnection, the contact chamber is by guiding bottom plate and is provide with inner casing above it and is formed a closed space using patching form, the guiding bottom plate and inner casing are made of arc resistant plastic, and the electromagnetic conversion room is to enclose metal framework made of setting by shield bracket and shielding upper plate.The configuration of the present invention is simple, are-tight property is good, long lifespan.

Description

High voltage direct current break-make device
Technical field
The invention belongs to technical field of electric power, and in particular to a kind of high voltage direct current break-make device.
Background technology
High voltage direct current break-make device is loaded for switching high-tension electricity, such as between the battery case and PDU of new-energy automobile Connection.Such break-make device includes contact chamber, possible running temperature, the internal pressure of permission, electrical isolation capabilities and There is higher requirement to contact chamber in terms of arc resistance.
Traditionally, such contact chamber is manufactured by common plastic material, is caused in terms of production and assembling the advantages of. For example, the elastic characteristic of plastic material can be used to generate indentation or other elastic connections.However, the thermal resistance and electricity of plastic material are exhausted Edge ability is restricted.The flame impingement caused by electric arc occurred when electrical load is interrupted can lead to the table of plastic material The burning (oxidation) in face, greatly reduces insulation resistance.
The selection substituted in the prior art includes manufacturing the contact chamber by ceramic material.Such as Chinese patent application Disclosed in CN102074387A, such material has extraordinary resistance to arc flame impact.However, ceramic material Material only has lower elasticity, it means that is unable to the lower indentation of use cost or is connected, is difficult to make contact in this way Chamber pressure is tight, and leakproofness and flatness are all poor；And most importantly the prior art high voltage direct current break-make device internal structure not Rationally.
Invention content
The purpose of the present invention is overcoming the shortcomings of the prior art, a kind of high voltage direct current break-make simple in structure is provided Device.
The purpose of the present invention is achieved through the following technical solutions：
A kind of high voltage direct current break-make device, including shell and the contact chamber to set within it and electromagnetic conversion room, in the contact chamber It is disposed with the first contact member and the second contact member, first contact member and the second contact member shape are identical and wrap Include the exit being arranged contacting indoor fixed contact and being arranged outside contact chamber, further include in the contact chamber have contact bridge and It is set to the movable contact of contact bridge left and right ends, a catch bar, which moves up and down, can drive the contact bridge to move up and down and then make institute It states movable contact to engage conducting with fixed contact or detach disconnection, the contact chamber is by guiding bottom plate and to be provide in above it Shell use patches form and forms a closed space, and the guiding bottom plate and inner casing are made of arc resistant plastic, the electricity Magnetic switch room is to enclose metal framework made of setting by shield bracket and shielding upper plate, and coil brace is arranged inside and is wound on outside it The coil in week, moving armature are movably disposed within inside coil brace, and the end of the catch bar far from contact chamber is rigidly connected It is connected on the moving armature, static gag bit is further fixedly arranged in the coil brace, one end of the catch bar is across described quiet Armature is simultaneously extend into the contact chamber.
Preferably, the inner casing of the contact chamber includes symmetrically arranged two magnet baffles, is fixed on the magnet baffle There is blowout magnet.
Preferably, the magnet baffle is fixed on by buckle structure on the inner casing.
Preferably, the top of the catch bar is fixed there are one clamp spring is limited, and the limit clamp spring forms a Horizontal limiting Frame is moved horizontally with limiting the contact bridge, and an axle spring is additionally provided with to limit the contact bridge axle in the limit clamp spring To movement, so that the contact bridge is relatively fixed with catch bar.
Preferably, the limit clamp spring is U-shaped reed, including bottom and two sides, and the catch bar is fixed on described On bottom, the Horizontal limiting frame is respectively arranged on described two sides；The contact bridge is a tablet, the movable contact point It is located at its upper surface, the stage casing of the contact bridge extends there are two boss, and the width of the boss is equal to the Horizontal limiting frame Width.
Preferably, one end of the axle spring resists the inner surface of the bottom of the limit clamp spring, and the other end resists institute The lower surface of contact bridge is stated, the elastic force of the limit clamp spring drives the upper surface of the contact bridge to be close to the limit clamp spring always Side flange, so as to be relatively fixed between the contact bridge and the limit clamp spring；Be provided on the guiding bottom plate to The muscle of interior extension carries out the limit of horizontal direction for two sides to the limit clamp spring.
Preferably, the upper surface that the movable contact is intended for the fixed contact is rectangle.
Preferably, microswitch is additionally provided in the contact chamber, the microswitch is fixed by a bracket, the contact The elastomer block for projecting through bracket of bridge upper surface touches the microswitch.
Preferably, it is provided with PCB circuit board in the electromagnetic conversion room, the PCB circuit board is vertically placed in the electricity It in magnetic switch room, and is fixed on a PCB baffles, there are one hook, the hook catches on described outer in the outside of the PCB baffles In the opening of shell.
Preferably, circuit exit is offered on the side wall of the shell.
The beneficial effects are mainly as follows：
1, limit clamp spring generates the contact bridge the complete limit of horizontal direction, so that the limit clamp spring and contact bridge are horizontal It is completely fixed, avoids leading to the problem of the contact bridge generated because of spring ageing failure and move horizontally；
2, the upper surface that movable contact is intended for the fixed contact is rectangle, changes the usual thinking of conventional design；
3, the setting of microswitch makes the safety higher of the high voltage direct current break-make device of the present invention；
4, the lateral outlet of circuit, can online end crimp the terminals of various models and improve and connect with other control devices Versatility；
5, contact chamber is made of arc resistant plastic, while are-tight can also injection molding, ensure that the consistency and ruler of product Very little stability..
Description of the drawings
Technical scheme of the present invention is further explained below in conjunction with the accompanying drawings：
Fig. 1：The stereoscopic schematic diagram of high voltage direct current break-make device of the present invention；
Fig. 2：The elevational cross-sectional view of high voltage direct current break-make device of the present invention；
Fig. 3：The exploded perspective view of high voltage direct current break-make device of the present invention;
Fig. 4：The enlarged drawing of part A in Fig. 3.
Specific implementation mode
Below with reference to specific implementation mode shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously It is not limited to the present invention, structure that those skilled in the art are made according to these embodiments, method or functionally Transformation is included within the scope of protection of the present invention.
As shown in Figure 1 to Figure 3, it present invention is disclosed a kind of high voltage direct current break-make device, including shell 400 and sets within it Contact chamber 100 and electromagnetic conversion room 500 the first contact member 200 is disposed in the contact chamber 100 like the prior art With the second contact member 300, first contact member 200 is identical with 300 shape of the second contact member and includes that setting exists Fixed contact 1 in contact chamber 100 and the exit 2 being arranged outside contact chamber 100.
First contact member 200 and the second contact member 300 are directed into across two apertures in contact chamber 100.First connects It includes conductive material, such as metal to touch 200 and second contact member 300 of component, and is arranged connected to the electricity of electrical load Contact, wherein the electrical load is to be switched, such as motor.
The high voltage direct current break-make device of the present invention is configured to open and close the first contact member 200 and the second contact member Electrical connection between 300.In this way, the present invention for example can be used to the power supply of switch motor.When its contact is closed, such as in voltage When more than 850V, the high current more than 100A can flow between the first contact member 200 and the second contact member 300.
The shell 400 also sets up electromagnetic conversion room, including coil brace 14 and the coil for being wound on its periphery（It is not regarded in figure Go out）, the coiling of coil brace 14 can be loaded with from external voltage to generate magnetic field in coil brace 14.The coil brace 14 settings are having shield bracket 15 and shielding upper plate 16 to enclose in space made of setting, and the shield bracket 15 and shielding upper plate 16 are logical The connection of clamping form is crossed, and is both made of metal.It is exhausted it to be additionally provided with holder between the coil brace 14 and shield bracket 15 Embolium 17.
Moving armature 18 is movably disposed within inside coil brace 14.Moving armature 18 includes centre bore, and a catch bar 5 passes through The centre bore is guided.The end of catch bar 5 far from contact chamber 100 is rigidly connected on moving armature 18, so that two Person can move or stop simultaneously.The other end of the catch bar 5 passes through the static gag bit 19 and extend into the contact chamber 100 It is interior.The magnet baffle 23 is fixed on by buckle structure 25 on the inner casing 21.
Static gag bit 19 is additionally provided in the coil brace 14, the effect of the static gag bit 19 is to will produce when the coil is energized Magnetic field makes static gag bit 19 magnetize rapidly, generates suction, attracts moving armature 18 to be moved toward the direction of static gag bit 19, completes contact It is attracted step.Certainly, like the prior art, it is additionally provided with resetting spring between shown static gag bit 19 and moving armature 18（In figure not It shows）, after coil blackout static gag bit 19 loses magnetic force, spring can drive moving armature 18 to reset, and then movable contact 4 is made to be touched with fixed 1 separation of point disconnects.
The top of the electromagnetic conversion room is contact chamber 100, and the upper end of the catch bar 5 stretches to the contact chamber 100 It is interior.The contact chamber 100 includes the guiding bottom plate 20 being arranged above the shielding upper plate 16 and the inner casing being provide with above it 21, the bottom plate 20 and inner casing 21 form a closed space, as contact chamber 100 using the form that patches.The bottom plate 20 Arc resistant plastic is all made of with inner casing 21 to be made, such as Du Pont LCP.The inner casing 21 of the contact chamber 100 includes symmetrically arranged two A magnet baffle 23 is fixed with blowout magnet 24 on the magnet baffle 23.
The movable contact 4 for including contact bridge 3 in the contact chamber 100 and being set to contact bridge left and right ends, contact bridge 3 can It is movably arranged in contact chamber 100.Contact bridge 3 includes conductive material, for example, metal.Contact bridge 3 can be that for example plane is vertical The shape of cube.Contact bridge 3 is moveably arranged into contacts structure can contact the first contact member 200 and second simultaneously Part 300 is electrically connected to be generated between the first contact member 200 and the second contact member 300.Contact bridge 3 can also be far from first Contact member 200 and the second contact member 300 move the electricity so that between the first contact member 200 and the second contact member 300 Disconnecting.
The catch bar 5, which moves up and down, can drive the contact bridge 3 to move up and down and then make the movable contact 4 and fixed contact 1 engagement conducting or separation disconnect.Specifically, the top of the catch bar 5 is fixed, there are one limit clamp spring 6, the catch bar 5 With there are many fixed forms of limit clamp spring 6, riveting or screw thread etc..The limit clamp spring 6 formed a Horizontal limiting frame 7 with It limits the contact bridge 3 to move horizontally, an axle spring 8 is additionally provided in the limit clamp spring 6 to limit 3 axis of the contact bridge To movement.
Specifically as shown in figure 4, the limit clamp spring 6 is U-shaped reed, including bottom 61 and two sides 62, the promotion Bar 5 is fixed on the bottom 61, and the Horizontal limiting frame 7 is respectively arranged on described two sides 62.The contact bridge 3 is One tablet, the movable contact 4 set up surface on it separately, and the stage casing of the contact bridge 3 extends there are two boss 9, the boss 9 Width is equal to the width of the Horizontal limiting frame 7.In this way, when the boss 9 is caught in the Horizontal limiting frame 7, then the two Between cannot generate and move horizontally.
One end of the axle spring 8 resists the inner surface of the bottom 61 of the limit clamp spring 6, and the other end resists described connect The lower surface of bridge 3 is touched, the elastic force of the limit clamp spring 6 drives the upper surface of the contact bridge 3 to be close to the limit clamp spring 6 always Side 62 flange, so as to be relatively fixed between the contact bridge 3 and the limit clamp spring 6, such contact bridge 3 and catch bar It is also relatively fixed between 5.
When catch bar 5 drives the limit clamp spring 6, contact bridge 3 to move up and down, muscle 22 that the bottom plate 20 extends internally Also can two sides 62 of the limit clamp spring 6 be carried out with the limit of horizontal direction.
The present invention changes the conventional design of the prior art, and catch bar 5 is only fixed with the limit clamp spring 6, and limits Position clamp spring 6 carries out the contact bridge 3 further through Horizontal limiting frame 7 limit of horizontal direction；And bottom plate 20 extends internally Muscle 22 can also carry out two sides 62 of the limit clamp spring 6 limit of horizontal direction.Ensure limiting card under such structure The complete limit that spring generates the contact bridge horizontal direction is kept away so that the limit clamp spring and contact bridge level are completely fixed Exempt to lead to the problem of the contact bridge generated because of spring ageing failure to move horizontally.
The axle spring 8 being arranged in Horizontal limiting frame 7 limits the axial movement of the contact bridge 3, further works as movable contact 4 When touching fixed contact 1, moreover it is possible to carry out stretch compensation buffering, prevent the two from springing back and generating arcing.Moreover, because contact bridge 3 Lower surface only only have axle spring 8 contact, keep the amount of deflecting of contact bridge 3 bigger than the prior art, even if pre-buried is quiet Contact height is inconsistent also to contact conducting well.
In the present invention, the upper surface that the movable contact 4 is intended for the fixed contact 1 is rectangle, changes conventional design Usual thinking thinks 4 contact area bigger of circular movable contact, hardly realizes, when the electrification of movable contact 4 is separated with fixed contact 1, meeting Phenomenon of arc discharge is generated, and the phenomenon is easy for that the contact surface of contact can be burnt out.Behind rectangle movable contact 4 using the present invention, Even if only can only burn out four apex angles of rectangular contacts still will produce arcing, contact face will not have an impact, then touch The service life of point can increase.Since under the action of highfield, surface meeting when moving contact is opened or closed with static contact electrification A large amount of charge is gathered, the density of charge is related with the surface shape of conductor, in recessed position charge density close to zero, flat Slow position charge density is small, and corners bit density is maximum.After charge density reaches a certain amount value, the electric field meeting of charge generation It is very big, so that air breakdown is formed electric discharge phenomena.In order to reach better effect, the movable contact 4 and fixed contact 1 To use rectangular configuration simultaneously, i.e.,：Make charge concentration at the wedge angle position of rectangle.
In the present invention, microswitch 10 is additionally provided in the contact chamber 100, the microswitch 10 is solid by a bracket 11 Fixed, the protrusion 12 of 3 upper surface of the contact bridge touches the microswitch 10 by the elastomer block 13 of bracket 11.When movable contact 4 When contacting combination with fixed contact 1, microswitch 10 is also touched simultaneously by the elastomer block 13 of bracket 11 and opens and send out signal, this Sample, the detection function of microswitch make the safety higher of the high voltage direct current break-make device of the present invention, it is ensured that movable contact 4 and fixed contact 1 contact combines, rather than is spaced away from and generates phenomenon of arc discharge.
PCB circuit board 26 is provided in the electromagnetic conversion room 500, the PCB circuit board 26 is vertically placed in the electricity It in magnetic switch room 500, and is fixed on a PCB baffles 27, there are one hook 28, the hooks in the outside of the PCB baffles 27 28 catch in the opening 29 of the shell 400.Circuit exit 30 is offered on the side wall of the shell 400.Such circuit Lateral outlet structure can be welded direct on the control circuit board of PCB, can also online end crimp the ends of various models Son improves its versatility.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book With the other embodiment of understanding.
The series of detailed descriptions listed above only for the present invention feasible embodiment specifically Bright, they are all without departing from equivalent implementations made by technical spirit of the present invention not to limit the scope of the invention Or change should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of high voltage direct current break-make device, including shell（400）And the contact chamber to set within it（100）With electromagnetic conversion room （500）, the contact chamber（100）Inside it is disposed with the first contact member（200）With the second contact member（300）, described first connects Touch component（200）With the second contact member（300）Shape is identical and includes being arranged in contact chamber（100）Interior fixed contact（1） With setting in contact chamber（100）Outer exit（2）, the contact chamber（100）Further include inside having contact bridge（3）It is connect with being set to Touch the movable contact of bridge left and right ends（4）, a catch bar（5）The contact bridge can be driven by moving up and down（3）It moves up and down and then makes The movable contact（4）With fixed contact（1）Engagement conducting or separation disconnect, it is characterised in that：The contact chamber（100）For by leading To bottom plate（20）And it is provide with inner casing above it（21）One closed space, the guiding bottom are formed using the form of patching Plate（20）And inner casing（21）It is made of arc resistant plastic, the electromagnetic conversion room（500）For by shield bracket（15）In shielding Plate（16）Metal framework made of setting is enclosed, coil brace is arranged inside（14）And it is wound on the coil of its periphery, moving armature（18） It is movably disposed within coil brace（14）Inside, far from contact chamber（100）Catch bar（5）End be rigidly connected to The moving armature（18）On, the coil brace（14）Inside it is further fixedly arranged on static gag bit（19）, the catch bar（5）One end Across the static gag bit（19）And it extend into the contact chamber（100）It is interior.
2. high voltage direct current break-make device according to claim 1, it is characterised in that：The contact chamber（100）Inner casing（21） Including symmetrically arranged two magnet baffles（23）, the magnet baffle（23）On be fixed with blowout magnet（24）.
3. high voltage direct current break-make device according to claim 2, it is characterised in that：The magnet baffle（23）It is tied by buckling Structure（25）It is fixed on the inner casing（21）On.
4. high voltage direct current break-make device according to any one of claims 1 to 3, it is characterised in that：The catch bar（5）Top It is fixed that there are one limit clamp spring（6）, the limit clamp spring（6）Form a Horizontal limiting frame（7）To limit the contact bridge（3）Water Translation is dynamic, the limit clamp spring（6）Inside it is additionally provided with an axle spring（8）To limit the contact bridge（3）Axial movement, so that The contact bridge（3）With catch bar（5）It is relatively fixed.
5. high voltage direct current break-make device according to claim 4, it is characterised in that：The limit clamp spring（6）For U-shaped reed, Including bottom（61）And two sides（62）, the catch bar（5）It is fixed on the bottom（61）On, described two sides（62） On be respectively arranged with the Horizontal limiting frame（7）；The contact bridge（3）For a tablet, the movable contact（4）Set up table on it separately Face, the contact bridge（3）Stage casing extend there are two boss（9）, the boss（9）Width be equal to the Horizontal limiting frame （7）Width.
6. high voltage direct current break-make device according to claim 5, it is characterised in that：The axle spring（8）One end resist The limit clamp spring（6）Bottom（61）Inner surface, the other end resists the contact bridge（3）Lower surface, the limiting card Spring（6）Elastic force drive the contact bridge（3）Upper surface be close to the limit clamp spring always（6）Side（62）Flange, So that the contact bridge（3）With the limit clamp spring（6）Between be relatively fixed；The guiding bottom plate（20）On be provided with and inwardly prolong The muscle stretched（22）, for the limit clamp spring（6）Two sides（62）Carry out the limit of horizontal direction.
7. high voltage direct current break-make device according to claim 1, it is characterised in that：The movable contact（4）It is described fixed to be intended for Contact（1）Upper surface be rectangle.
8. high voltage direct current break-make device according to claim 1, it is characterised in that：The contact chamber（100）It is inside additionally provided with micro- Dynamic switch（10）, the microswitch（10）Pass through a bracket（11）It is fixed, the contact bridge（3）The protrusion of upper surface（12）It is logical Cross bracket（11）Elastomer block（13）Touch the microswitch（10）.
9. high voltage direct current break-make device according to claim 1, it is characterised in that：The electromagnetic conversion room（500）Interior setting There is PCB circuit board（26）, the PCB circuit board（26）Vertically it is placed in the electromagnetic conversion room（500）It is interior, and it is fixed on one PCB baffles（27）On, the PCB baffles（27）Outside there are one hook（28）, the hook（28）Catch on the shell （400）Opening（29）It is interior.
10. high voltage direct current break-make device according to claim 9, it is characterised in that：The shell（400）Side wall on open up There is circuit exit（30）.
CN201810455986.XA 2018-05-14 2018-05-14 High-voltage DC on-off device Active CN108400061B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810455986.XA CN108400061B (en) 2018-05-14 2018-05-14 High-voltage DC on-off device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810455986.XA CN108400061B (en) 2018-05-14 2018-05-14 High-voltage DC on-off device

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CN108400061A true CN108400061A (en) 2018-08-14
CN108400061B CN108400061B (en) 2023-09-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021004104A1 (en) * 2019-07-09 2021-01-14 东莞市中汇瑞德电子股份有限公司 Drive structure for high-voltage direct-current relay

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016181401A (en) * 2015-03-24 2016-10-13 三菱自動車工業株式会社 Contactor and discharge circuit
JP2017050274A (en) * 2015-09-04 2017-03-09 オムロン株式会社 Contact switchgear
CN107146741A (en) * 2017-06-09 2017-09-08 深圳市品川新能源技术有限公司 A kind of high-voltage DC contactor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016181401A (en) * 2015-03-24 2016-10-13 三菱自動車工業株式会社 Contactor and discharge circuit
JP2017050274A (en) * 2015-09-04 2017-03-09 オムロン株式会社 Contact switchgear
CN107146741A (en) * 2017-06-09 2017-09-08 深圳市品川新能源技术有限公司 A kind of high-voltage DC contactor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021004104A1 (en) * 2019-07-09 2021-01-14 东莞市中汇瑞德电子股份有限公司 Drive structure for high-voltage direct-current relay
KR20210035306A (en) * 2019-07-09 2021-03-31 둥관 중후이 루이더 일렉트로닉스 컴퍼니 리미티드 Push structure of high voltage DC relay
KR102563126B1 (en) * 2019-07-09 2023-08-02 선사타 추로드 테크놀로지 (우후) 컴퍼니 리미티드 Push Structure of High Voltage DC Relay
US11804344B2 (en) 2019-07-09 2023-10-31 Sensata Churod Technology (Wuhu) Co., Ltd Drive structure for high-voltage direct-current relay

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