CN208834992U - High voltage direct current relay magnetic-quenching arc-extinguishing device - Google Patents
High voltage direct current relay magnetic-quenching arc-extinguishing device Download PDFInfo
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- CN208834992U CN208834992U CN201821870824.4U CN201821870824U CN208834992U CN 208834992 U CN208834992 U CN 208834992U CN 201821870824 U CN201821870824 U CN 201821870824U CN 208834992 U CN208834992 U CN 208834992U
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- contact
- magnet steel
- magnetic
- high voltage
- direct current
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Abstract
The utility model discloses a kind of high voltage direct current relay magnetic blow-out device, including at least two groups structure of contact terminal being arranged in electrical appliance shell, magnet steel is equipped between two structure of contact terminals and on the outside of two structure of contact terminals, each magnet steel is installed in parallel on electrical appliance shell, two groups of structure of contact terminal sides are equipped with U-shaped magnetic conduction heel piece, and the utility model is by adding three magnet steel and magnetic conduction heel piece beside structure of contact terminal, using lefft-hand rule, magnetic field forms parallel magnetic quenching means with electric field, improves contact current interruption ability.
Description
Technical field
The utility model discloses a kind of high voltage direct current relay magnetic blow-out device, divides and belongs to by International Patent Classification (IPC) (IPC)
In relay manufacturing technology field.
Background technique
Electric arc is problem inevitable in relay contact closure and disjunction action process, it greatly reduces relay
The service life of contact.If switch 200Vd.c. or more high voltage load, since voltage is too high, cannot reliable current interruption,
It is be easy to cause pitting of contact, or even contact occurs and glues dead failure, is not able to satisfy the requirement that user loads high voltage.
Chinese document CN108389742A provides a kind of method that reinforcement arc gap arc blow-out magnetic flux improves electric appliance arc extinguishing ability, packet
It includes touching bridge and is set to the dynamic moving contact for touching bridge lower surface, be provided with stationary contact bridge, the stationary contact bridge below the dynamic touching bridge
On be provided with the static contact being correspondingly arranged with moving contact, magnetic conductive board is set on each stationary contact bridge, the moving contact being correspondingly arranged
And in static contact, the periphery of moving contact or static contact be cased with section it is U-shaped and have opening towards arc gap magnetic conductive part.Due to direct
When magnetic conductive board is arranged on touching bridge, and dividing arc for multiconductor, magnetic conductive part is more, and installation is inconvenient.
Summary of the invention
In view of the deficiencies of the prior art, the utility model provides a kind of high voltage direct current relay magnetic blow-out device, using flat
Row magnet steel makes magnetic field form parallel magnetic quenching mode with electric field, improves contact current interruption ability.
In order to achieve the above objectives, the utility model is achieved through the following technical solutions:
A kind of high voltage direct current relay magnetic blow-out device, including at least two groups structure of contact terminal being arranged in electrical appliance shell, two touchings
Magnet steel is equipped between header structure and on the outside of two structure of contact terminals, each magnet steel is installed in parallel on electrical appliance shell, the magnetic between adjacent magnet steel
Field action forms parallel magnetic quenching structure in the dynamic and static contact of corresponding structure of contact terminal.
Further, two groups of structure of contact terminal sides are equipped with U-shaped magnetic conduction heel piece, magnetic conduction heel piece bottom surface across each structure of contact terminal and to
Three bread cloth offices are extended to form outside two avris magnet steel, the U-shaped opening end face of magnetic conduction heel piece is higher than the contact position of each contact structure.
Further, electrical appliance shell includes pedestal and shell, and shell is fastened on pedestal and forms installation space, and pedestal is equipped with arc extinguishing lattice
It is corresponding with each dynamic and static contact with formed to pedestal direction electric arc elongate effective distance.
Further, pedestal is equipped with magnet steel mounting groove for fixing magnet steel, and magnet steel mounting groove is located at arc extinguishing lattice side.
Further, the arc extinguishing lattice of pedestal are three face ring wall constructions, and arc extinguishing lattice bottom has plural strip groove disposed in parallel,
Strip groove forms guiding surface when being spaced in neighbouring two sidewalls.
The present invention is by adding three magnet steel or magnet and magnetic conduction heel piece or magnetic conductive iron sheet beside structure of contact terminal, using left hand method
Then, magnetic field forms parallel magnetic quenching means with electric field, improves contact current interruption ability.
Detailed description of the invention
Fig. 1 is the utility model embodiment schematic diagram.
Fig. 2 is the utility model embodiment cross-sectional view.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
Embodiment: Fig. 1 and Fig. 2, a kind of high voltage direct current relay magnetic blow-out device, including being arranged in electrical appliance shell are please referred to
At least two groups structure of contact terminal 21,22 is equipped with magnet steel 3, each installation in parallel of magnet steel 3 between two structure of contact terminals and on the outside of two structure of contact terminals
On electrical appliance shell, the magnetic fields between adjacent magnet steel 3 form parallel magnetic quenching knot in the dynamic and static contact of corresponding structure of contact terminal
Structure.Two groups of structure of contact terminal sides are equipped with U-shaped magnetic conduction heel piece 4, as shown in Fig. 2, U-shaped magnetic conduction heel piece is mounted on the pedestal 1 of electrical appliance shell
On, magnetic conduction heel piece bottom surface extends to form three bread cloth offices across each structure of contact terminal and to outside two avris magnet steel, and magnet steel is set
It is formed in three bread cloth intra-offices and reinforces magnetic flux, the U-shaped opening end face of magnetic conduction heel piece is higher than the contact position of each contact structure.Electric appliance
Shell includes pedestal 1 and shell, and shell is fastened on pedestal and forms installation space, and pedestal 1 is equipped with arc extinguishing lattice 101 and each dynamic and static contact
It corresponds to form the effective distance elongated to pedestal direction electric arc.
Referring to Fig. 1, pedestal 1 is equipped with magnet steel mounting groove for fixing magnet steel, magnet steel mounting groove is located at arc extinguishing lattice side.
The arc extinguishing lattice 101 of pedestal are three face ring wall constructions, and arc extinguishing lattice bottom has plural strip groove disposed in parallel, the extension of strip groove
Direction is vertical with magnet steel, and strip groove forms guiding surface when being spaced in neighbouring two sidewalls.
The first energized relay circuit 51 and the second energized relay circuit 52, each one touching of energized relay circuit control are equipped in electrical appliance shell
Head mechanism switches on and off.
In the utility model every group of structure of contact terminal can a pair of dynamic and static contact or two pairs of dynamic and static contacts, by two groups of touchings
Add three magnet steel or iron and magnetic conduction heel piece beside header structure, using lefft-hand rule, magnetic field forms parallel magnetic quenching hand with electric field
Section improves contact current interruption ability.
The foregoing descriptions are merely the embodiment using this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the patents of this creation opinion, and is not limited to those disclosed embodiments.
Claims (5)
1. a kind of high voltage direct current relay magnetic blow-out device, it is characterised in that: including at least two groups contact being arranged in electrical appliance shell
Structure is equipped with magnet steel between two structure of contact terminals and on the outside of two structure of contact terminals, each magnet steel is installed in parallel on electrical appliance shell, adjacent magnet steel
Between magnetic fields form parallel magnetic quenching structure in the dynamic and static contact of corresponding structure of contact terminal.
2. high voltage direct current relay magnetic blow-out device according to claim 1, it is characterised in that: two groups of structure of contact terminal sides are set
There is U-shaped magnetic conduction heel piece, magnetic conduction heel piece bottom surface extends to form three bread cloth offices across each structure of contact terminal and to outside two avris magnet steel,
The U-shaped opening end face of magnetic conduction heel piece is higher than the contact position of each contact structure.
3. high voltage direct current relay magnetic blow-out device according to claim 1 or 2, it is characterised in that: electrical appliance shell includes pedestal
And shell, shell are fastened on pedestal and form installation space, it is corresponding with each dynamic and static contact to be formed to pedestal that pedestal is equipped with arc extinguishing lattice
The effective distance that direction electric arc elongates.
4. high voltage direct current relay magnetic blow-out device according to claim 3, it is characterised in that: pedestal is installed equipped with magnet steel
For slot for fixing magnet steel, magnet steel mounting groove is located at arc extinguishing lattice side.
5. high voltage direct current relay magnetic blow-out device according to claim 4, it is characterised in that: the arc extinguishing lattice of pedestal are three faces
Ringwall structure, arc extinguishing lattice bottom have plural strip groove disposed in parallel, and being formed when being spaced in neighbouring two sidewalls for strip groove is led
To inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821870824.4U CN208834992U (en) | 2018-11-14 | 2018-11-14 | High voltage direct current relay magnetic-quenching arc-extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821870824.4U CN208834992U (en) | 2018-11-14 | 2018-11-14 | High voltage direct current relay magnetic-quenching arc-extinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208834992U true CN208834992U (en) | 2019-05-07 |
Family
ID=66319869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821870824.4U Active CN208834992U (en) | 2018-11-14 | 2018-11-14 | High voltage direct current relay magnetic-quenching arc-extinguishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208834992U (en) |
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2018
- 2018-11-14 CN CN201821870824.4U patent/CN208834992U/en active Active
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