CN209357681U - A kind of high voltage direct current relay of efficient arc extinguishing - Google Patents

A kind of high voltage direct current relay of efficient arc extinguishing Download PDF

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Publication number
CN209357681U
CN209357681U CN201821889499.6U CN201821889499U CN209357681U CN 209357681 U CN209357681 U CN 209357681U CN 201821889499 U CN201821889499 U CN 201821889499U CN 209357681 U CN209357681 U CN 209357681U
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China
Prior art keywords
ceramic
arc extinguishing
arc
static contact
section
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CN201821889499.6U
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Chinese (zh)
Inventor
党亚粮
朱路
汪祥余
杜升书
郭冬樟
叶竹焕
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Zhejiang Pepsi Electrical Ltd By Share Ltd
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Zhejiang Pepsi Electrical Ltd By Share Ltd
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Abstract

The utility model relates to contactor technical fields, specifically, it is related to a kind of high voltage direct current relay of efficient arc extinguishing, including including ceramic base, the ceramic base is cuboid, the first through hole passed through equipped with catch bar one end, ceramic base is located at the prominent arc extinguishing end for forming arc-shaped in the opposite both ends of static contact, arc-chutes are recessed in the middle part of the thickness direction of the arc extinguishing end, the arc extinguishing chamber device has magnet, the magnet is located at immediately below static contact, it further include ceramic shield, the ceramic shield barrel-like structure cylindrical, formation cover mouth open at one end, the other end is equipped with the second through-hole that static contact passes through, the utility model passes through high temperature resistant, the ceramic base and ceramic shield of height insulation cooperatively form more closed space, so that the electric arc generated between static contact and dynamic touch panel is closed, so that arc extinguishing rate is high, it avoids being rigidly connected Damage ceramic member.

Description

A kind of high voltage direct current relay of efficient arc extinguishing
Technical field
The utility model relates to contactor technical fields, specifically, being related to a kind of high voltage direct current relay of efficient arc extinguishing Device.
Background technique
With the development of modern industrial technology, gradually automated in various fields, for guarantee Electrical Safety and Guaranteeing output power, voltage is switched to contactor and switching electric current requirement is higher and higher, existing contacts of contactor gap is smaller, When connecting high-voltage alternating, high voltage direct current, big direct current generator, low-power factor inductive load, contacts of contactor is very easy to occur Adhesive failure or continuous arcing make a fire contact system failure.
Existing contactor, such as a kind of high voltage direct current vacuum relay of highly reliable longevity of Chinese patent CN101677044B Device, discloses ceramic shield and U repairs yoke and surrounds a vacuum cavity and electricity is arranged between movable contact component and catch bar, iron core absolutely The good ceramic insulator of edge.It ensure that between the intracorporal vacuum degree of relay chamber and movable contact component and catch bar, iron core Insulativity, and then reduce the service life for being influenced by high current, high voltage and damage, improve relay.Existing one The generation that magnet reduces electric arc is arranged in a little relays in ceramic member, so that relay, which can be applicable in high pressure and enhance, to be made Use the service life.But structure setting is more complicated, manufacturing cost is high for the installation of the magnet of existing relay and protection, and due to Arc extinguishing low efficiency is not enough closed in arc extinguishing space, thus now need one kind can the simple device of effective protection magnet arrangement, can The protection to magnet is realized well, and manufactures the high-efficient relay of arc extinguishing easy for installation.
Utility model content
The content of the utility model is to provide a kind of high voltage direct current relay of efficient arc extinguishing, by setting ceramic base and Magnet can be effectively reduced the electric arc of contact generation, reduces the temperature inside contactor, can preferably keep vacuum, Neng Gouyou The effect protection simple device of magnet arrangement, can be good at realizing the protection to magnet, and manufacture arc extinguishing efficiency easy for installation It is high.
The high voltage direct current relay of a kind of efficient arc extinguishing according to the present utility model, including pedestal open at one end, setting Triggering component on pedestal and the stem for being sealed in base openings end, the triggering component includes moving touch panel and catch bar, The setting corresponding with dynamic touch panel of the static contact of described stem one end, including ceramic base, the ceramic base are cuboid, set The first through hole for having catch bar one end to pass through, ceramic base are located at the prominent arc extinguishing for forming arc-shaped in the opposite both ends of static contact It holds, arc-chutes is recessed in the middle part of the thickness direction of the arc extinguishing end, the arc extinguishing chamber device has magnet, and the magnet is located at quiet Immediately below contact;
It further include ceramic shield, the ceramic shield barrel-like structure cylindrical, formation cover mouth open at one end, the other end is equipped with quiet The second through-hole that contact passes through, it is parallel with the face where the two lead mast axis to be respectively equipped with the first section in ceramic shield two sides With the second section;
It further include plastic fixtures, the plastic fixtures include the third through-hole that stem one end passes through and respectively with One section, corresponding first convex block in the second section, the second convex block;
The ceramic base and ceramic shield cooperatively form the space of closing movable contact and stationary contact, first convex block and the Two convex blocks are stuck in first section and the second section two sides and plastic fixtures are fixed, and the stem and third are logical Hole cooperation is fixed.
The utility model cooperatively forms more closed space by high temperature resistant, the ceramic base of high insulation and ceramic shield, So that the electric arc generated between static contact and dynamic touch panel is closed, while under being located at static contact just by what is be arranged on ceramic base The magnet of side, which generates magnetic field energy, has effective influence to considerably increase relay so that arc extinguishing rate is high to the electric arc of enclosure space Service life, while the placement of magnet relatively aspect is simple, by plastic fixtures anchor leg column and ceramic shield, avoids just Property connection damage ceramic member.
Further, second section side is equipped with circular arc ring block, and the ring block and the second section form fixation hole, institute It states the second convex block insertion fixation hole and fixation hole is fitted close.The cooperation of second convex block and fixation hole increase plastic fixtures and The fastness of ceramic shield contact.
Further, the movable contact mobile space that is staggered inside the ceramic shield is equipped with boss, the boss and ceramic base It is inconsistent.Boss resists ceramic member, avoids the shaking of ceramic family, reduces the use of the volatile materials of high temperature such as glue, and The mobile space that dynamic touch panel can be fixed avoids the possibility of dynamic touch panel sideslip.
Further, the triggering component includes magnetic conductive board, the ceramic shield open end edge and the ceramic base point It does not offset with magnetic conductive board.So that the enclosure space where dynamic touch panel is more closed.
Further, the edge of arc-chutes opening is equipped with notch, the notch make arc-chutes with outside ceramic shield Portion's connection.Reduce influence of the air expansion of high temperature generation to arc-chutes.
Detailed description of the invention
Fig. 1 is contactor contact portion schematic cross-sectional view;
Fig. 2 is contactor contact portion magnetic quenching structural schematic diagram;
Fig. 3 is that contactor connects ceramic member cooperation schematic perspective view;
Fig. 4 is ceramic base and dynamic touch panel fit structure schematic diagram;
Fig. 5 is the first ceramic member, magnet steel and the second ceramic member explosive view;
Fig. 6 is that the fixed framework signal of plastic cement is intended to.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments. It should be understood that embodiment be only to the utility model explain and and it is non-limiting.
As shown in figures 1 to 6, a kind of high voltage direct current relay of efficient arc extinguishing, including pedestal 1, the pedestal 1 pass through bolt Fixed position required for either other detachable or non-dismountable modes are mounted on.One end is provided on the pedestal 1 to open Mouth mounting cup and iron cup attached drawing do not mark, and the mounting cup inner space is fixed with triggering component 2, and the triggering component 2 is The triggering component of electromagnetic type including coil, iron core, magnetic conductive board 25, certainly, the triggering component 2 or fluid pressure type, gas Dynamic formula triggering component.2 actuating sleeve of triggering component is equipped with the catch bar 26 of spring, the dynamic touching of 26 one end of catch bar installation Plate 23, the static contact 71 including 7 one end of stem.The connection of catch bar 26 is located at the iron core of 26 one end of catch bar and is located at The dynamic touch panel 23 of 26 other end of catch bar moves and is equipped with magnetic conductive board 25 between touch panel 23 and iron core.
Shown in Fig. 3, including ceramic base 3, the ceramic base 3 is cuboid, pass through equipped with 26 one end of catch bar the One through-hole, ceramic base 3 are located at the prominent arc extinguishing end 34 for forming arc-shaped in the opposite both ends of static contact 71, and the arc extinguishing end 34 is thick Degree is recessed arc-chutes 31 in the middle part of direction, and 31 device of arc-chutes has permanent magnet 32.
It further include ceramic shield 4 shown in Fig. 5, the ceramic shield 4 barrel-like structure cylindrical, open at one end, the other end is equipped with The second through-hole 46 that static contact 71 passes through, it is parallel with the face where two stems, 7 axis to be respectively equipped in 4 two sides of ceramic shield First section 41 and the second section 42.
It further include plastic fixtures 5 shown in Fig. 6, the plastic fixtures 5 are logical including the third that 7 one end of stem passes through Hole 53 and respectively first convex block 51 corresponding with the first section 41, the second section 42, the second convex block 52.
The ceramic base 3 cooperatively forms the space for closing dynamic touch panel 23 and static contact 71 with ceramic shield 4, and the plastics are solid Determine part 5 and first section 41 and 42 two sides of the second section and ceramics are stuck in by first convex block 51 and the second convex block 52 4 connection of cover, the stem 7 are fixed with the cooperation of third through-hole 53.Second section, 42 side is equipped with circular arc ring block 43, described Ring block 43 and the second section 42 form fixation hole 44, and second convex block 52 is inserted into fixation hole 44 and fixation hole 44 is fitted close.
The movable contact mobile space that is staggered inside the ceramic shield 4 is equipped with boss 45, and the boss 45 offsets with ceramic base 3 Touching.
The triggering component 2 includes magnetic conductive board 25,4 open end edge of ceramic shield and the ceramic base 3 respectively with Magnetic conductive board 5 offsets.
The edge that the arc-chutes 31 are open is equipped with notch 33, and the notch 33 makes outside the ceramic shield 4 of arc-chutes 31 Connection.
When dynamic touch panel 23 and the contact of static contact 71 or disconnection generate electric arc, by the high insulation and high temperature resistant around electric arc Ceramic base and ceramic shield isolation, reducing electric arc influences contactor other component, and is reduced by the magnetic field that magnet generates The possibility that electric arc generates.The mounting cup open end cooperation is equipped with insulating cover, the insulating cover and iron cup port, the modeling Expect to be equipped with sealant between paper fixing piece bottom.The sealant includes epoxy potting material, sealant and iron cupuliform at It is closed intracavitary full of inert gas or to vacuumize.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.

Claims (5)

1. a kind of high voltage direct current relay of efficient arc extinguishing, including pedestal (1) open at one end, the touch group being set on the base Part (2) and the stem (7) for being sealed in pedestal (1) open end, the triggering component (2) include dynamic touch panel (23) and catch bar (26), static contact (71) setting corresponding with dynamic touch panel (23) of described stem (7) one end, which is characterized in that including ceramics Pedestal (3), the ceramic base (3) are cuboid, are equipped with the first through hole that catch bar (26) one end passes through, ceramic base (3) In the prominent arc extinguishing end (34) for forming arc-shaped in the opposite both ends of static contact (71), arc extinguishing end (34) thickness direction Portion is recessed arc-chutes (31), and arc-chutes (31) device has magnet (32), and the magnet (32) is located at static contact (71) Underface;
It further include ceramic shield (4), the ceramic shield (4) barrel-like structure cylindrical is open at one end, and the other end is equipped with static contact (71) the second through-hole (46) passed through, it is parallel with the face where two stem (7) axis to be set respectively in ceramic shield (4) two sides There are the first section (41) and the second section (42);
It further include plastic fixtures (5), the plastic fixtures (5) include the third through-hole (53) that stem (7) one end passes through The first convex block (51) corresponding with the first section (41), the second section (42), the second convex block (52) respectively;
The ceramic base (3) and ceramic shield (4) cooperatively form the space for closing dynamic touch panel (23) and static contact (71), the modeling Material fixing piece (5) is stuck in first section (41) and the second section by first convex block (51) and the second convex block (52) (42) two sides are connect with ceramic shield (4), and the stem (7) and third through-hole (53) cooperation are fixed.
2. the high voltage direct current relay of efficient arc extinguishing according to claim 1, which is characterized in that second section (42) Side is equipped with circular arc ring block (43), and the ring block (43) and the second section (42) form fixation hole (44), second convex block (52) insertion fixation hole (44) and fixation hole (44) are fitted close.
3. the high voltage direct current relay of efficient arc extinguishing according to claim 1, which is characterized in that in the ceramic shield (4) Portion is staggered movable contact mobile space equipped with boss (45), and the boss (45) and ceramic base (3) are inconsistent.
4. the high voltage direct current relay of efficient arc extinguishing according to claim 1, which is characterized in that the triggering component (2) Including magnetic conductive board (25), ceramic shield (4) open end edge and the ceramic base (3) offset with magnetic conductive board (25) respectively.
5. the high voltage direct current relay of efficient arc extinguishing according to claim 1, which is characterized in that the arc-chutes (31) are opened The edge of mouth is equipped with notch (33), and the notch (33) makes ceramic shield (4) external communication of arc-chutes (31).
CN201821889499.6U 2018-11-16 2018-11-16 A kind of high voltage direct current relay of efficient arc extinguishing Active CN209357681U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821889499.6U CN209357681U (en) 2018-11-16 2018-11-16 A kind of high voltage direct current relay of efficient arc extinguishing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821889499.6U CN209357681U (en) 2018-11-16 2018-11-16 A kind of high voltage direct current relay of efficient arc extinguishing

Publications (1)

Publication Number Publication Date
CN209357681U true CN209357681U (en) 2019-09-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111146044A (en) * 2020-01-02 2020-05-12 上海沪工汽车电器有限公司 Ceramic closed cavity structure of high-voltage relay, high-voltage relay and working method of high-voltage relay

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111146044A (en) * 2020-01-02 2020-05-12 上海沪工汽车电器有限公司 Ceramic closed cavity structure of high-voltage relay, high-voltage relay and working method of high-voltage relay
CN111146044B (en) * 2020-01-02 2021-09-07 上海沪工汽车电器有限公司 Ceramic closed cavity structure of high-voltage relay, high-voltage relay and working method of high-voltage relay

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