CN109300743A - A kind of D.C. contactor - Google Patents
A kind of D.C. contactor Download PDFInfo
- Publication number
- CN109300743A CN109300743A CN201810984782.5A CN201810984782A CN109300743A CN 109300743 A CN109300743 A CN 109300743A CN 201810984782 A CN201810984782 A CN 201810984782A CN 109300743 A CN109300743 A CN 109300743A
- Authority
- CN
- China
- Prior art keywords
- ceramic member
- arc
- chutes
- touch panel
- stationary contact
- 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
Links
- 239000000919 ceramic Substances 0.000 claims abstract description 74
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 42
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 229910052742 iron Inorganic materials 0.000 claims description 18
- 239000004568 cement Substances 0.000 claims description 14
- 239000000565 sealant Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 230000003447 ipsilateral effect Effects 0.000 claims description 2
- 229910052573 porcelain Inorganic materials 0.000 claims description 2
- 238000010891 electric arc Methods 0.000 abstract description 20
- 238000009413 insulation Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 239000004821 Contact adhesive Substances 0.000 abstract description 2
- 239000011214 refractory ceramic Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
-
- 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
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
- H01H9/443—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The present invention relates to contactor technical fields, specifically, it is related to a kind of D.C. contactor, it includes the stem of catch bar and one end equipped with stationary contact that one end is equipped with dynamic touch panel, space where the stationary contact is equipped with ceramic member, the ceramic member is recessed arc-chutes, stationary contact and dynamic touch panel and stationary contact contact portion is located in arc-chutes.Pass through the setting in ceramic member, so that the electric arc generated when dynamic touch panel and stationary contact point contact or disconnection is semiclosed by height insulation and refractory ceramics part, and then electric arc is avoided to have an impact contactor inside other component, and, ceramic member fills the space where dynamic touch panel, so that other substances of space are reduced, the generation of electric arc is greatly reduced, reduces the possibility for contact adhesive failure occur.
Description
Technical field
The present invention relates to contactor technical fields, specifically, being related to a kind of D.C. contactor.
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.On but
Stating technical solution there are problems that:
The temperature of the electric arc, reduction relay vacuum cavity that are generated when 1. quiet movable contact on-off cannot be effectively reduced；
2. ceramic shield is easy breakage, ceramic shield and U, which repair yoke and surround a vacuum cavity, to be not easy to keep vacuum, and contact is very easy to
There is adhesive failure.
Summary of the invention
The contents of the present invention are to provide a kind of D.C. contactor, so that D.C. contactor is effectively dropped by the way that ceramic member is arranged
The electric arc that low contact generates reduces the temperature inside contactor, can preferably keep vacuum, contact is very easy to be bonded
Failure.
A kind of D.C. contactor according to the present invention is equipped with the catch bar of dynamic touch panel including one end and one end is equipped with stationary contact
Stem, space where the stationary contact is equipped with ceramic member, and the ceramic member is recessed arc-chutes, stationary contact and dynamic
Touch panel and stationary contact contact portion are located in arc-chutes.
Further, the ceramic member includes the first ceramic member and the second ceramic member, and the arc-chutes include the first ceramics
The second arc-chutes that the first arc-chutes and the second ceramic member that part is recessed are recessed, second arc-chutes, first are gone out
Arc chamber opening is opposite, and the dynamic touch panel both ends are located at the second arc-chutes, in the first arc-chutes.
Further, including third ceramic member, the third ceramic member is between two stems, first ceramic member
The stem side is stuck in the cooperation of third ceramic member respectively with the second ceramic member.
Further, including being equipped with the magnetic conductive board of positioning match part, the nearly magnetic conductive board side of the ceramic member is equipped with positioning region, institute
It states positioning region and positioning match part cooperation limits the installation site of the ceramic member.
Further, the positioning region is protrusion or groove/through-hole, and the corresponding positioning match part is groove/logical
Hole or protrusion.
Further, first ceramic member and the second ceramic member are respectively provided with the groove for shelving magnet steel, the magnetic
Steel is put into from slot opening, and fluted side wall is spaced between the magnet steel and arc-chutes.
Further, the magnet steel is located at stationary contact and dynamic touch panel is ipsilateral and near dynamic touch panel both ends, two magnetic
The pole steel S-N is oppositely arranged.
Further, the magnet steel is ring-type, and the cyclic annular center of circle is located at the opposite side of magnet steel.
Further, including iron cup, the ceramic member outside are equipped with plastic cement fixed frame, and the plastic cement fixed frame side wall is set to
On the inside of iron cup, plastic cement fixed frame bottom, which is equipped with, is used for the perforative through-hole of stem, plastic cement fixed frame one end and magnetic conduction
Plate contradicts.
Further, in the mounting cup that the iron cup installation is arranged on the support, coil, iron have been additionally provided in the iron cup
Core, mounting cup open end cooperation are equipped with insulating cover, and sealant is equipped between the insulating cover and iron cup port.
Compared with prior art, the invention has the following advantages: by the setting in ceramic member so that dynamic touch panel and
The electric arc generated when stationary contact point contact or disconnection is semiclosed by height insulation and refractory ceramics part, and then avoids electric arc to contact
Other component has an impact inside device；Moreover, ceramic member fills the space where dynamic touch panel, so that other substances of space are reduced,
The generation of electric arc is greatly reduced, the possibility for contact adhesive failure occur is reduced；
By the extremely opposite setting magnet steel of S-N so that stationary contact is in biggish magnetic field, stationary contact contacted with dynamic touch panel or
Disconnect generate electric arc vulnerable to magnetic field influence and extinguish, greatly reduce the generation of electric arc, fundamentally extend contactor
Service life and increase stability in use；
Use is closed by magnet steel and matching for ceramic member, so that contactor is difficult to generate electric arc under the interference in magnetic field, even if producing
Raw electric arc can be also isolated in the arc-chutes of ceramic member, avoid influence of the electric arc to other components of contactor inside, Er Qietao
Porcelain piece be also avoided that high temperature around contactor, high pressure, humidity environment to the influence inside contactor.
Detailed description of the invention
Fig. 1 is a kind of contactor construction schematic cross-sectional view；
Fig. 2 is stem and dynamic touch panel structural schematic diagram；
Fig. 3 is ceramic member and dynamic touch panel fit structure schematic diagram；
Fig. 4 is Fig. 3 cross section view；
Fig. 5 is ceramic member structural schematic diagram；
Fig. 6 is that the first ceramic member and magnetic steel structure signal are intended to；
Fig. 7 is that the fixed framework signal of plastic cement is intended to.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.It should be understood that
, embodiment be only to the present invention explain and and it is non-limiting.
As shown in figs. 1-7, a kind of D.C. contactor, including support 1, the support 1 passes through bolt or other are detachable
Or non-dismountable mode is mounted on required fixed position.Mounting cup 11 open at one end is provided on the support 1, it is described
It is cup-shaped identical as 11 opening direction of mounting cup that 11 inner space of mounting cup is fixed with iron cup 2, the iron cup 2.The iron cup 2
Inside be equipped with coil, iron core 3, magnetic conductive board 5, the catch bar 4 for being arranged with spring, 4 one end of catch bar installation dynamic touch panel 41 and
The stationary contact end 81 of 8 one end of stem.The connection of catch bar 4 is located at the iron core 3 of 4 one end of catch bar and is located at catch bar 4 separately
The dynamic touch panel 41 of one end moves and is equipped with magnetic conductive board 5 between touch panel 41 and iron core 3.Space where the 3 inside stationary contact of iron cup 81
Equipped with ceramic member 7, the ceramic member 7 is recessed arc-chutes, stationary contact 81 and dynamic touch panel 41 and 81 contact portion of stationary contact
In arc-chutes.
The ceramic member 7 includes the first ceramic member 71, and the second ceramic member 72 and third ceramic member 73, the arc-chutes include
The second arc-chutes 721 that the first arc-chutes 711 and the second ceramic member 72 that first ceramic member 71 is recessed are recessed, it is described
Second arc-chutes 721, the first arc-chutes 711 are open relatively, and dynamic 41 both ends of touch panel are located at the second arc-chutes 721,
In one arc-chutes 711.The third ceramic member 73 is between two stems 8, first ceramic member 71 and the second ceramic member
72 cooperate 8 side of stem for being stuck in 81 upside of stationary contact with third ceramic member 73 respectively.First ceramic member 71, the
Two ceramic members 72 and third ceramic member 73, positioned at the periphery of two dynamic touch panels 41 and 81 contact position of stationary contact.Therefore, such as Fig. 4 institute
Show, when dynamic touch panel 41 and the contact of stationary contact 81 or disconnection generation electric arc 81, by the high insulation and high temperature resistant around electric arc 81
Ceramic member 7 is semiclosed, and electric arc will not have other component to have an impact contactor inside.Moreover, ceramic member 7 fills dynamic touch panel 41
The space at place, so that other substances of space are reduced.
Nearly 5 side of magnetic conductive board of the ceramic member 7 is equipped with positioning region 74, and on the magnetic conductive board be equipped with corresponding with positioning region is determined
Position auxiliary section 51.The present embodiment, the positioning region 74 are protrusion, and the corresponding positioning match part 51 is groove.Certainly, at it
In his embodiment, the positioning region 74 or groove, through-hole,.Corresponding positioning region 74 is that protrusion waits other to facilitate cooperation fixed
The structure of position.
First ceramic member 71 and the second ceramic member 72 are respectively provided with the groove 75 for shelving magnet steel 6, the magnet steel 6
From 75 opening of groove be put into respectively between the first arc-chutes 711, the second arc-chutes 721 between be separated with ceramic member.The magnet steel 6
Between stationary contact 81 and magnetic conductive board 5 and it is located near dynamic 41 both ends of touch panel, the magnet steel 6 is ring-type, and the cyclic annular center of circle is located at
The opposite side of the magnet steel 6 and pole two magnet steel 6S-N is oppositely arranged.In the case where not influencing dynamic 41 stroke of touch panel, magnet steel 6
Close to dynamic 41 both ends of touch panel.The pole magnet steel 6S-N, which is oppositely arranged, generates biggish magnetic field, and the effect of magnetic quenching is generated to electric arc 81,
The generation of electric arc is greatly reduced, the service life of contactor is fundamentally extended and increases stability in use.Magnet steel 6 and electric arc
Between be mutually separated with ceramic member 7, avoid electric arc influence reduce magnet steel magnetism, and ceramic member 7 will not to magnetic field generate shadow
It rings.
Plastic cement fixed frame 9 includes side wall, bottom and open end, and plastic cement fixed frame 9 is open to be buckled to 7 direction of ceramic member
Under, so that 9 two sidewalls of plastic cement fixed frame, between ceramic member 7 and iron cup 2,9 bottom of plastic cement fixed frame is equipped with for drawing
The perforative through-hole of terminal 8,9 open end of plastic cement fixed frame and magnetic conductive board 5 contradict.
11 open end of the mounting cup cooperation is equipped with insulating cover 10, the insulating cover 10 and iron cup port, the modeling
Sealant is equipped between 9 bottom of glue fixed frame.The sealant includes epoxy potting material, sealant and the formation of iron cup 2
It is closed intracavitary full of inert gas or to vacuumize.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (10)
1. a kind of D.C. contactor is equipped with the catch bar (4) of dynamic touch panel (41) including one end and one end is equipped with stationary contact (81)
Stem (8), which is characterized in that the space where the stationary contact (81) is equipped with ceramic member (7), ceramic member (7) indent
It forms arc-chutes, stationary contact (81) and dynamic touch panel (41) and stationary contact (81) contact portion is located in arc-chutes.
2. D.C. contactor according to claim 1, which is characterized in that the ceramic member (7) includes the first ceramic member
(71) and the second ceramic member (72), the arc-chutes include the first arc-chutes (711) that the first ceramic member (71) are recessed and
The second arc-chutes (721) that second ceramic member (72) is recessed, second arc-chutes (721), the first arc-chutes (711) are opened
Mouth is opposite, and dynamic touch panel (41) both ends are located in the second arc-chutes (721), the first arc-chutes (711).
3. D.C. contactor according to claim 2, which is characterized in that including third ceramic member (73), the third pottery
For porcelain piece (73) between two stems (8), first ceramic member (71) and the second ceramic member (72) are ceramic with third respectively
Part (73) cooperation is stuck in the stem (8) side.
4. D.C. contactor according to claim 1, which is characterized in that the magnetic conductive board including being equipped with positioning match part (51)
(5), nearly magnetic conductive board (5) side of the ceramic member (7) is equipped with positioning region (74), and the positioning region (74) is matched with positioning match part (51)
Close the installation site for limiting the ceramic member (7).
5. D.C. contactor according to claim 4, which is characterized in that the positioning region (74) be protrusion or groove/
Through-hole, the corresponding positioning match part (51) are groove/through-hole or protrusion.
6. D.C. contactor according to claim 2, which is characterized in that first ceramic member (71) and the second ceramic member
(72) it is respectively provided with the groove (75) for shelving magnet steel (6), the magnet steel (6) is put into from groove (75) opening, the magnetic
Fluted (75) side wall is spaced between steel (6) and arc-chutes.
7. D.C. contactor according to claim 6, which is characterized in that the magnet steel (6) is located at stationary contact (81) and moves
Touch panel (41) is ipsilateral and near dynamic touch panel (41) both ends, and two magnet steel (6) pole S-N is oppositely arranged.
8. D.C. contactor according to claim 7, which is characterized in that the magnet steel (6) is ring-type, and the cyclic annular center of circle is located at
The opposite side of magnet steel (6).
9. D.C. contactor according to claim 1-8, which is characterized in that including iron cup (2), the ceramic member
(7) outside is equipped with plastic cement fixed frame (9), and plastic cement fixed frame (9) side wall is set on the inside of iron cup (2), the plastic cement fixed frame
(9) bottom, which is equipped with, is used for stem (8) perforative through-hole, and described plastic cement fixed frame (9) one end and magnetic conductive board (5) contradict.
10. D.C. contactor according to claim 9, which is characterized in that the iron cup (2) is mounted on support (1) and sets
In the mounting cup (11) set, coil is additionally provided in the iron cup (2), iron core (3), the cooperation of the mounting cup (11) open end are set
Have insulating cover (10), sealant is equipped between the insulating cover (10) and the iron cup (2) port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810984782.5A CN109300743B (en) | 2018-08-28 | 2018-08-28 | DC contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810984782.5A CN109300743B (en) | 2018-08-28 | 2018-08-28 | DC contactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109300743A true CN109300743A (en) | 2019-02-01 |
| CN109300743B CN109300743B (en) | 2024-03-26 |
Family
ID=65165539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810984782.5A Active CN109300743B (en) | 2018-08-28 | 2018-08-28 | DC contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109300743B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101677044A (en) * | 2008-09-19 | 2010-03-24 | 厦门金合捷投资控股有限公司 | High voltage DC vacuum relay with high reliability and long service life |
| CN103985604A (en) * | 2014-05-30 | 2014-08-13 | 厦门宏发电力电器有限公司 | Arc extinguishing mechanism, relay frame and relay |
| CN104299852A (en) * | 2014-08-25 | 2015-01-21 | 深圳市品川新智科技发展有限公司 | High-voltage direct-current contactor |
| CN104795279A (en) * | 2014-01-21 | 2015-07-22 | 昆山国力真空电器有限公司 | Improved structure of DC contactor |
| CN105513897A (en) * | 2016-01-10 | 2016-04-20 | 深圳巴斯巴科技发展有限公司 | Sealed type direct current contactor with high breaking capacity |
| CN106531556A (en) * | 2016-12-05 | 2017-03-22 | 浙江英洛华新能源科技有限公司 | Sealed high-voltage direct-current relay |
| CN106653493A (en) * | 2016-11-22 | 2017-05-10 | 浙江众信新能源科技股份有限公司 | Relay |
| CN206301708U (en) * | 2016-12-30 | 2017-07-04 | 常州市吉士电器有限公司 | A kind of arc-extinguishing mechanism of polarized D.C. contactor |
| CN206301709U (en) * | 2017-01-09 | 2017-07-04 | 常州市吉士电器有限公司 | A kind of arc-extinguishing mechanism of nonpolarity D.C. contactor |
| CN206301739U (en) * | 2016-11-22 | 2017-07-04 | 浙江众信新能源科技股份有限公司 | Relay |
| DE202017103719U1 (en) * | 2017-06-22 | 2017-07-13 | Zhejiang Innuovo New Energy Technology Co., Ltd. | Mounting structure of the magnetic steel for the high-voltage DC relay with highly efficient arc blowing |
| CN107507737A (en) * | 2017-08-25 | 2017-12-22 | 浙江英洛华新能源科技有限公司 | The relay of efficient arc extinguishing |
| CN209298028U (en) * | 2018-08-28 | 2019-08-23 | 浙江百事宝电器股份有限公司 | A kind of D.C. contactor |
-
2018
- 2018-08-28 CN CN201810984782.5A patent/CN109300743B/en active Active
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|---|---|---|---|---|
| CN101677044A (en) * | 2008-09-19 | 2010-03-24 | 厦门金合捷投资控股有限公司 | High voltage DC vacuum relay with high reliability and long service life |
| CN104795279A (en) * | 2014-01-21 | 2015-07-22 | 昆山国力真空电器有限公司 | Improved structure of DC contactor |
| CN103985604A (en) * | 2014-05-30 | 2014-08-13 | 厦门宏发电力电器有限公司 | Arc extinguishing mechanism, relay frame and relay |
| CN104299852A (en) * | 2014-08-25 | 2015-01-21 | 深圳市品川新智科技发展有限公司 | High-voltage direct-current contactor |
| CN105513897A (en) * | 2016-01-10 | 2016-04-20 | 深圳巴斯巴科技发展有限公司 | Sealed type direct current contactor with high breaking capacity |
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| CN206301708U (en) * | 2016-12-30 | 2017-07-04 | 常州市吉士电器有限公司 | A kind of arc-extinguishing mechanism of polarized D.C. contactor |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109300743B (en) | 2024-03-26 |
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