CN105719907A - High-voltage DC relay - Google Patents
High-voltage DC relay Download PDFInfo
- Publication number
- CN105719907A CN105719907A CN201610197641.XA CN201610197641A CN105719907A CN 105719907 A CN105719907 A CN 105719907A CN 201610197641 A CN201610197641 A CN 201610197641A CN 105719907 A CN105719907 A CN 105719907A
- Authority
- CN
- China
- Prior art keywords
- contact
- movable contact
- storehouse
- skeleton
- insulated leg
- 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.)
- Pending
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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
- 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
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
- H01H2050/446—Details of the insulating support of the coil, e.g. spool, bobbin, former
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention relates to a high-voltage DC relay, belonging to the technical field of a relay. The high-voltage DC relay comprises an upper press cover, a shell body, a contact bin, an outer shell, a static contact, a fixed iron core, a movable contact assembly and a framework, wherein the upper press cover is matched with the shell, the contact bin is assembled with the outer shell, the movable contact assembly is arranged on the framework, the contact bin is assembled on the movable contact assembly, and the fixed iron core is arranged in the framework. The high-voltage DC relay has the advantages of reasonable structure, simplicity in production process, high working voltage, long service lifetime, safety and reliability.
Description
Technical field
The present invention relates to a kind of relay, especially relate to a kind of HVDC relay, it belongs to relay technical field.
Background technology
EHV electric and hybrid vehicle, fuel cell, inverter and solar power system growing, it is provided that the compact relay with high-voltage direct-current load seems particularly necessary.
In existing high-voltage relay, running voltage is relatively low, sealing cavity adopts vacuum medium to reach interelectrode high pressure resistant function, when relay working voltage height, vacuum medium will produce harmful X ray, therefore sealing cavity adopts vacuum medium to reach interelectrode high pressure resistant function, and relay working voltage is had certain limitation by which, can not fully meet the instructions for use of user.
Publication date is on 04 22nd, 2015, and publication number is in the Chinese patent of 104538255A, discloses a kind of name and is called the patent of invention of " a kind of HVDC relay ".This patent includes outer housing, support, insulation board, lug plate, seat board, binding post, contact, movable contact spring and magnetic-quenching arc-extinguishing device, outer housing is installed in support, the sidewall of outer housing also sets up lug plate, the upside of outer housing is disposed with insulation board and seat board, being provided with magnetic-quenching arc-extinguishing device on seat board, be provided with movable contact spring in seat board, the two ends of movable contact spring are provided with contact, and described contact is connected with binding post, binding post is arranged on seat board.Although it is not good that this patent solves HVDC relay arc quenching effect by magnetic-quenching arc-extinguishing device, but operating pressure is unstable, relay working voltage has certain limitation, therefore it exists drawbacks described above.
Summary of the invention
It is an object of the invention to overcome above shortcomings in prior art, and provide a kind of reasonable in design, production technology is simple, running voltage is high, long service life, safe and reliable HVDC relay.
This invention address that the problems referred to above be the technical scheme is that this HVDC relay, including upper press cover, housing, storehouse, contact, shell, stationary contact and secured core, described upper press cover and housing coordinate, storehouse, contact and shell assembling, it is characterized in that: also include movable contact assembly and skeleton, described movable contact assembly is contained on skeleton, and storehouse, contact is assemblied on movable contact assembly, and skeleton is built with secured core;Movable contact assembly includes movable contact, insulated leg, upper end cover, rustless steel pole and dynamic magnetic core, one end of rustless steel pole sequentially passes through upper end cover, insulated leg and movable contact, the other end of this rustless steel pole contacts with dynamic magnetic core, insulated leg and the assembling of storehouse, contact, dynamic magnetic core and secured core match, and stationary contact and movable contact contact;Dynamic magnetic core is provided with open slot, and this open slot is axially arranged, and the outer rim of insulated leg is provided with a circle chimb, and storehouse, contact is provided with a circle concave edge, insulated leg and storehouse, contact by this chimb and concave edge assembling;Rational in infrastructure, movable contact assembly is contained on skeleton, and storehouse, contact is assemblied on movable contact assembly, and installation and removal are convenient, long service life, safe and reliable, and dynamic magnetic core is provided with open slot, and this open slot is axially arranged;When dynamic magnetic core moves up and down, if unslotted, gap is little, produces resistance, and air flows, it is simple to aerofluxus, and action is fast, increases the speed of contact, reduces resistance;The chimb of insulated leg and concave edge, it is simple to assembling.
As preferably, movable contact assembly of the present invention also includes contact stage clip, jump ring, big spring and packing ring, described jump ring is arranged between the top of movable contact and rustless steel pole, big spring and the socket of rustless steel pole, packing ring between contact stage clip and insulated leg, movable contact be arranged below contact stage clip.
As preferably, the structure of insulated leg of the present invention is widened and is provided with groove;For depositing slag.
As preferably, skeleton of the present invention is provided with positioning convex point, and upper end cover is provided with concave point, and the salient point on skeleton matches with the concave point on upper end cover;It is easy to location.
As preferably, skeleton of the present invention being provided with coil and draws inserted sheet;In order to draw coil.
As preferably, housing of the present invention being provided with groove, upper press cover is provided with salient point, housing and upper press cover and is coordinated with salient point by this groove;It is easy to location.
As preferably, stationary contact of the present invention and the way of contact of movable contact are half contact;The arc length making electric arc increases, and plays the effect of fast shut-off electric arc.
As preferably, movable contact of the present invention being coated with one layer of fine silver;In order to anti-oxidation, reduce contact resistance, make relay entirety caloric value reduce.
The present invention compared with prior art, has the following advantages and effect: 1, rational in infrastructure, movable contact assembly is contained on skeleton, and storehouse, contact is assemblied on movable contact assembly, and installation and removal are convenient, and production technology is simple, and running voltage is high, long service life, safe and reliable;2, the open slot effect on dynamic magnetic core: when dynamic magnetic core moves up and down, if unslotted, gap is little, produces resistance, and air flows, it is simple to aerofluxus, and action is fast, increases the speed of contact, reduces resistance;3, stationary contact and movable contact are half contact so that the arc length of electric arc increases, and plays the effect of fast shut-off electric arc;4, movable contact is coated with one layer of fine silver, in order to anti-oxidation, reduce contact resistance, make relay entirety caloric value reduce.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention.
Fig. 2 is the sectional structure schematic diagram of the embodiment of the present invention.
Fig. 3 is the detonation configuration schematic diagram of the embodiment of the present invention.
Fig. 4 is the movable contact modular construction schematic diagram of the embodiment of the present invention.
Fig. 5 is the complete section structural representation of the movable contact assembly of the embodiment of the present invention.
Fig. 6 is the framing structure schematic diagram of the embodiment of the present invention.
Fig. 7 is the dynamic core structure schematic diagram of the embodiment of the present invention.
In figure: movable contact assembly 1, upper press cover 2, housing 3, storehouse, contact 4, shell 5, skeleton 6, stationary contact 7, secured core 8, seal cap 9, cover plate 10, movable contact 11, insulated leg 12, upper end cover 13, rustless steel pole 14, dynamic magnetic core 15, contact stage clip 16, jump ring 17, big spring 18, packing ring 19, Magnet 20, base plate 21, screw 22, coil draws inserted sheet 61, open slot 151.
Detailed description of the invention
Below in conjunction with accompanying drawing and by embodiment, the present invention is described in further detail, and following example are explanation of the invention and the invention is not limited in following example.
Embodiment.
Referring to Fig. 1 to Fig. 7, the present embodiment HVDC relay mainly includes movable contact assembly 1, upper press cover 2, housing 3, storehouse, contact 4, shell 5, stationary contact 7 and secured core 8.
Upper press cover 2 and housing 3 in the present embodiment coordinate, and storehouse, contact 4 and shell 5 assemble, and movable contact assembly 1 is contained on skeleton 6, and storehouse, contact 4 is assemblied on movable contact assembly 1, and skeleton 6 is built with secured core 8.
Movable contact assembly 1 in the present embodiment includes movable contact 11, insulated leg 12, upper end cover 13, rustless steel pole 14 and dynamic magnetic core 15, one end of rustless steel pole 14 sequentially passes through upper end cover 13, insulated leg 12 and movable contact 11, the other end of this rustless steel pole 14 contacts with dynamic magnetic core 15, insulated leg 12 and storehouse, contact 4 are assembled, dynamic magnetic core 15 and secured core 8 match, and stationary contact 7 and movable contact 11 contact.
Jump ring 17 in the present embodiment is arranged between the top of movable contact 11 and rustless steel pole 14, and big spring 18 and rustless steel pole 14 are socketed, packing ring 19 between contact stage clip 16 and insulated leg 12, the contact arranged below stage clip 16 of movable contact 11.
Having the groove of ferrum for placing magnet steel on storehouse, the present embodiment contact 4, have four muscle posts in storehouse, contact 4, movable contact 11 can axially turn, after loading storehouse, contact 4, by four muscle post correctings.
Dynamic magnetic core 15 in the present embodiment is provided with open slot 151, and this open slot 151 is axially arranged.
The outer rim of the insulated leg 12 in the present embodiment is provided with a circle chimb, and storehouse, contact 4 is provided with a circle concave edge, insulated leg 12 and storehouse, contact 4 by this chimb and concave edge assembling;The structure of insulated leg 12 is widened and is provided with groove.
Skeleton 6 in the present embodiment is provided with positioning convex point, and upper end cover 13 is provided with concave point, and the salient point on skeleton 6 matches with the concave point on upper end cover 13;Skeleton 6 is provided with coil and draws inserted sheet 61.
The present embodiment skeleton 6 has groove, fixing when this groove is for producing coil, it is to avoid rotate, skeleton 6 also has rib, determines the fixing of magnetic core position for keeping off.
Housing 3 in the present embodiment has groove, upper press cover 2 is provided with salient point, housing 3 and upper press cover 2 and is coordinated with salient point by this groove.
Stationary contact 7 in the present embodiment and the way of contact of movable contact 11 are half contact, and movable contact 11 is coated with one layer of fine silver.
Cover plate in the present embodiment 10 is connected with housing 3 by screw 22, and base plate 21 is located in housing 3, this base plate 21 between shell 5 and housing 3, the Magnet arranged below 20 in storehouse, contact 4, upper press cover 2 has and seals cap 9.
By above-mentioned elaboration, those skilled in the art can implement.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of its parts and components, be named title etc. can be different, and the above content described in this specification is only to present configuration example explanation.All equivalences done according to the structure described in inventional idea of the present invention, feature and principle change or simple change, are all included in the protection domain of patent of the present invention.Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by those skilled in the art; without departing from the structure of the present invention or surmount the scope that present claims book is defined, protection scope of the present invention all should be belonged to.
Claims (8)
1. a HVDC relay, including upper press cover, housing, storehouse, contact, shell, stationary contact and secured core, described upper press cover and housing coordinate, storehouse, contact and shell assembling, it is characterized in that: also include movable contact assembly and skeleton, described movable contact assembly is contained on skeleton, and storehouse, contact is assemblied on movable contact assembly, and skeleton is built with secured core;Movable contact assembly includes movable contact, insulated leg, upper end cover, rustless steel pole and dynamic magnetic core, one end of rustless steel pole sequentially passes through upper end cover, insulated leg and movable contact, the other end of this rustless steel pole contacts with dynamic magnetic core, insulated leg and the assembling of storehouse, contact, dynamic magnetic core and secured core match, and stationary contact and movable contact contact;Dynamic magnetic core is provided with open slot, and this open slot is axially arranged, and the outer rim of insulated leg is provided with a circle chimb, and storehouse, contact is provided with a circle concave edge, insulated leg and storehouse, contact by this chimb and concave edge assembling.
2. HVDC relay according to claim 1, it is characterized in that: described movable contact assembly also includes contact stage clip, jump ring, big spring and packing ring, described jump ring is arranged between the top of movable contact and rustless steel pole, big spring and the socket of rustless steel pole, packing ring between contact stage clip and insulated leg, movable contact be arranged below contact stage clip.
3. HVDC relay according to claim 1, it is characterised in that: the structure of described insulated leg is widened and is provided with groove.
4. HVDC relay according to claim 1, it is characterised in that: described skeleton is provided with positioning convex point, and upper end cover is provided with concave point, and the salient point on skeleton matches with the concave point on upper end cover.
5. the HVDC relay according to claim 1 or 4, it is characterised in that: described skeleton is provided with coil and draws inserted sheet.
6. HVDC relay according to claim 1, it is characterised in that: described housing is provided with groove, upper press cover is provided with salient point, housing and upper press cover and is coordinated with salient point by this groove.
7. HVDC relay according to claim 1, it is characterised in that: described stationary contact and the way of contact of movable contact are half contact.
8. HVDC relay according to claim 1, it is characterised in that: described movable contact is coated with one layer of fine silver.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610197641.XA CN105719907A (en) | 2016-03-31 | 2016-03-31 | High-voltage DC relay |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610197641.XA CN105719907A (en) | 2016-03-31 | 2016-03-31 | High-voltage DC relay |
Publications (1)
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CN105719907A true CN105719907A (en) | 2016-06-29 |
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Family Applications (1)
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CN201610197641.XA Pending CN105719907A (en) | 2016-03-31 | 2016-03-31 | High-voltage DC relay |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109411299A (en) * | 2017-08-17 | 2019-03-01 | 北京佩特来电器有限公司 | A kind of relay |
CN109786179A (en) * | 2018-12-29 | 2019-05-21 | 惠州市维格机电有限公司 | A kind of bistable relay for DC power supply management |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102074387A (en) * | 2009-11-24 | 2011-05-25 | 泰科电子Amp有限责任公司 | Electrical switch |
JP2014203811A (en) * | 2013-04-10 | 2014-10-27 | 株式会社デンソー | Electromagnetic solenoid device |
CN204155853U (en) * | 2014-09-15 | 2015-02-11 | 浙江宏舟新能源科技有限公司 | A kind of anticollision high-voltage DC contactor |
-
2016
- 2016-03-31 CN CN201610197641.XA patent/CN105719907A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102074387A (en) * | 2009-11-24 | 2011-05-25 | 泰科电子Amp有限责任公司 | Electrical switch |
JP2014203811A (en) * | 2013-04-10 | 2014-10-27 | 株式会社デンソー | Electromagnetic solenoid device |
CN204155853U (en) * | 2014-09-15 | 2015-02-11 | 浙江宏舟新能源科技有限公司 | A kind of anticollision high-voltage DC contactor |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109411299A (en) * | 2017-08-17 | 2019-03-01 | 北京佩特来电器有限公司 | A kind of relay |
CN109786179A (en) * | 2018-12-29 | 2019-05-21 | 惠州市维格机电有限公司 | A kind of bistable relay for DC power supply management |
CN109786179B (en) * | 2018-12-29 | 2023-09-19 | 惠州涌继电力有限公司 | Bistable relay for DC power supply management |
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Application publication date: 20160629 |