CN207834143U - The switch unit of rotary separation switch - Google Patents
The switch unit of rotary separation switch Download PDFInfo
- Publication number
- CN207834143U CN207834143U CN201820047807.4U CN201820047807U CN207834143U CN 207834143 U CN207834143 U CN 207834143U CN 201820047807 U CN201820047807 U CN 201820047807U CN 207834143 U CN207834143 U CN 207834143U
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- CN
- China
- Prior art keywords
- contact
- moving contact
- permanent magnet
- static contact
- static
- Prior art date
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- 238000000926 separation method Methods 0.000 title claims abstract description 18
- 230000003068 static effect Effects 0.000 claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims 2
- 230000008033 biological extinction Effects 0.000 abstract description 6
- 238000005728 strengthening Methods 0.000 abstract description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 14
- 238000010891 electric arc Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 230000000171 quenching effect Effects 0.000 description 6
- 230000005684 electric field Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model is related to a kind of switch units of rotary separation switch, including unit housings, moving contact and static contact, unit housings rotation is provided with the moving contact rotating turret for being installed on moving contact contact and the mandrel of driving moving contact rotating turret rotation, moving contact is made of two movable contact springs, two movable contact springs are relatively arranged on movable contact spring mounting bracket, the fit clearance being inserted into for static contact is equipped between two movable contact springs, mandrel drives the contact conducting that movable contact is formed when the rotation of moving contact rotating turret with static contact, detach the connection relation disconnected, unit housings are located at moving contact and the periphery for the motion track for detaching disconnection with static contact are provided with arc-chutes from conducting is contacted with static contact, unit housings are located at moving contact and are additionally provided with permanent magnet to the periphery for the motion track for detaching disconnection with static contact from conducting is contacted with static contact.Using the above scheme, the utility model provides a kind of switch unit of rotary separation switch that strengthening arc extinction performance.
Description
Technical field
The utility model is related to a kind of rotary separation switch, and in particular to a kind of switch list of rotary separation switch
Member.
Background technology
Rotary separation switch in the prior art is usually stacked by several switch units, each switch unit
Including unit housings, corresponding moving contact contact and static contact contact are installed in each unit housings, connect outside static contact
Line terminals extend to outside unit housings, and the moving contact being provided with for being installed on moving contact contact is rotated in the middle part of unit housings and is rotated
Frame, static contact external wiring terminal extend to outside unit housings, and each moving contact contact is made of two movable contact springs, two movable contact springs
It in pairs and is relatively arranged on movable contact spring mounting bracket, the fit clearance being inserted into for static contact is equipped between pairs of movable contact spring, respectively
The shaft core for driving each movable contact spring rotating turret to rotate synchronously is provided between unit housings, so that movable contact spring is formed with static contact
The connection relation that contact conducting, separation disconnect.
Electric arc is will produce at moving contact contact and static contact contact separation, electric arc can not only have contact prodigious destruction
Effect, can also make the time lengthening of disconnecting circuit, hidden danger is brought to the use of disconnecting switch, therefore often in each switch unit
Arc-chutes are set and carry out arc extinguishing, however this arc quenching method arc extinguishing ability is limited.
Invention content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of rotations for strengthening arc extinction performance
The switch unit of formula disconnecting switch.
To achieve the above object, the utility model provides following technical solution：Including unit housings, moving contact and stationary contact
Head, unit housings rotation are provided with moving contact rotating turret and driving moving contact rotation for being installed on moving contact contact
The mandrel of frame rotation, the moving contact are made of two movable contact springs, and the movable contact spring described in two is relatively arranged on movable contact spring peace
It shelves, the fit clearance being inserted into for static contact is equipped between the movable contact spring described in two, the mandrel drives moving contact to turn
The connection relation that contact of the movable contact with static contact was connected, detached disconnection is formed when moving frame rotates, the unit housings are located at
Moving contact is provided with arc-chutes, feature from conducting is contacted with static contact to the periphery for the motion track for detaching disconnection with static contact
It is：The unit housings are located at moving contact from conducting is contacted with static contact to the motion track for detaching disconnection with static contact
Periphery is additionally provided with permanent magnet.
By using above-mentioned technical proposal, on the basis of with arc-chutes, permanent magnet is added, is carried out by the mode of arcing
Arc extinguishing, when moving contact quickly disconnects, electric arc quickly pull open and and reduce the electric field strength between contact, make arc voltage be not enough to tie up
The burning of electric arc is held to which arc extinction can be made, to strengthen switch unit arc extinction performance, in addition, by the position of permanent magnet
It selects to avoid the position of arcing excessively close from moving contact in the periphery of moving contact motion track, the burn of degree of causing moving contact, to
Prolong the service life.
The utility model is further arranged to：The position that the permanent magnet contacts conducting with moving contact with static contact is opposite
It answers.
By using above-mentioned technical proposal, the position of permanent magnet can be positioned at the periphery of moving contact motion track everywhere, preferably
The position of conducting is contacted with moving contact with static contact, arcing intensity highest at this time, arc quenching effect is best, keeps electric arc quick
It does not eliminate.
The utility model is further arranged to：The magnetic force direction of the permanent magnet is flat with the shaft axis of moving contact rotating turret
Row setting.
By using above-mentioned technical proposal, the magnetic force direction of permanent magnet can be any direction, preferably with moving contact rotating turret
The parallel direction of shaft axis, arcing intensity highest at this time, arc quenching effect is best.
The utility model is further arranged to：The permanent magnet is the cylindrical magnet steel of shape.
By using above-mentioned technical proposal, magnet steel can be variously-shaped, pref. cylindrical, convenient in high volume, quickly adding
Work.
The utility model is further arranged to：The unit housings are correspondingly arranged on and permanent magnet axial end with permanent magnet
The compatible circular mounting slot of portion's shape.
By using above-mentioned technical proposal, circular mounting slot is added, it is made to stablize installation while permanent magnet is positioned.
The utility model is further arranged to：The unit housings are provided with around permanent magnet and are contradicted with permanent magnet periphery
Mounting wall, the section of the mounting wall inner circumferential is in major arc shape, and the vacancy of the mounting wall inner circumferential is for finger by pressing installation forever
Magnet.
By using above-mentioned technical proposal, on the one hand the mounting wall of major arc shape gives permanent magnet stable position, avoids it de-
Go out mounting wall, on the other hand, finger can directly press permanent magnet body to precise mounting position when assembly, improve installation accuracy and
Convenience.
The utility model is further arranged to：The static contact is provided with closure, and the closure is pacified with round
Tankage is respectively limited by the axial both ends of permanent magnet.
By using above-mentioned technical proposal, static contact is rationally utilized, is formed mounting wall and circular mounting slot by static contact
Installation cavity closed, further increase the mounting stability of permanent magnet.
The utility model is further described with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is the stereogram of specific embodiment of the present invention；
Fig. 2 is the assembling stereogram of unit housings and permanent magnet in specific embodiment of the present invention；
Fig. 3 is the stereogram of unit housings in specific embodiment of the present invention；
Fig. 4 is the enlarged drawing of A in Fig. 3.
Specific implementation mode
As shown in Fig. 1-Fig. 4, the utility model discloses a kind of switch units of rotary separation switch, including unit
Shell 1, moving contact 2 and static contact 3, unit housings 1 rotate the moving contact rotating turret being provided with for being installed on 2 contact of moving contact
6 and 6 rotation of driving moving contact rotating turret mandrel 61, moving contact 2 is made of two movable contact springs 21, and two movable contact springs 21 are opposite to be set
It is placed on moving contact rotating turret 6, the fit clearance 22 being inserted into for static contact 3 is equipped between two movable contact springs 21, mandrel 61 drives
The connection relation for forming movable contact contact with static contact 3 conducting when moving contact rotating turret 6 rotates, detaching disconnection, unit housings 1
The periphery for the motion track that disconnection is detached with static contact 3 is provided with arc-chutes from conducting is contacted with static contact 3 positioned at moving contact 2
4, be equidistantly placed with arc quenching plate 41 in arc-chutes 4, unit housings 1 be located at moving contact 2 from contacted with static contact 3 conducting to stationary contact
The periphery for the motion track that first 3 separation disconnects is additionally provided with permanent magnet 5, on the basis of with arc-chutes 4, adds permanent magnet 5,
Arc extinguishing is carried out by the mode of arcing, when moving contact quickly disconnects, electric arc quickly pull open and and reduce the electric field strength between contact, make
Arc voltage is not enough to the burning of pilot arc to make arc extinction, to strengthen switch unit arc extinction performance, this
Outside, the position of permanent magnet 5 is selected, in the periphery of 2 motion track of moving contact, to avoid the position of arcing excessively close from moving contact 2, make
At the burn of degree moving contact 2, to prolong the service life.
The position that permanent magnet 5 contacts conducting with moving contact 2 with static contact 3 is corresponding, and the position of permanent magnet 5 can be located at dynamic touch
The periphery of first 2 motion track everywhere, preferably contacts the position of conducting, arcing intensity at this time is most with moving contact 2 with static contact 3
Height, arc quenching effect is best, and electric arc is enable not eliminate quickly.
The magnetic force direction of permanent magnet 5 and the shaft axis of moving contact rotating turret 6 are arranged in parallel, and the magnetic force direction of permanent magnet 5 can
For any direction, the preferably direction parallel with the shaft axis of moving contact rotating turret 6, arcing intensity highest at this time, arc quenching effect
Most preferably.
Permanent magnet 5 is the cylindrical magnet steel of shape, and magnet steel can be variously-shaped, pref. cylindrical, convenient for high-volume,
Rapid processing.
Unit housings 1 are correspondingly arranged on circular mounting slot compatible with 5 axial end portion shape of permanent magnet with permanent magnet 5
11, circular mounting slot 11 is added, it is made to stablize installation while permanent magnet 5 is positioned.
Unit housings 1 are provided with the mounting wall 12 contradicted with 5 periphery of permanent magnet around permanent magnet 5,12 inner circumferential of mounting wall
Section be in major arc shape, the vacancy 121 of 12 inner circumferential of mounting wall passes through pressing for finger and installs permanent magnet 5, the peace of major arc shape
Dress 12 one side of wall gives permanent magnet 5 stable position, its is avoided to deviate from mounting wall 12, and on the other hand, finger can be direct when assembly
5 body of permanent magnet is pressed to precise mounting position, improves installation accuracy and convenience.
Static contact 3 is provided with closure 31, and closure 31 is respectively limited by axial the two of permanent magnet 5 with circular mounting slot 11
End rationally utilizes static contact 3, is closed the installation cavity that mounting wall 12 is formed with circular mounting slot 11 by static contact 3, into one
Step improves the mounting stability of permanent magnet 5.
Claims (7)
1. a kind of switch unit of rotary separation switch, including unit housings, moving contact and static contact, the unit housings
Rotation is provided with the moving contact rotating turret for being installed on moving contact contact and the mandrel of driving moving contact rotating turret rotation, described
Moving contact be made of two movable contact springs, the movable contact spring described in two is relatively arranged on movable contact spring mounting bracket, described in two
The fit clearance being inserted into for static contact is equipped between movable contact spring, mandrel driving moving contact rotating turret forms dynamic touch when rotating
Contact of the point with static contact is connected, detaches the connection relation of disconnection, and the unit housings are located at moving contact and are connect from static contact
It touches conducting and the periphery for the motion track for detaching disconnection with static contact is provided with arc-chutes, it is characterised in that：The cell enclosure
Body is located at moving contact and is additionally provided with permanent magnetism to the periphery for the motion track for detaching disconnection with static contact from conducting is contacted with static contact
Body.
2. the switch unit of rotary separation switch according to claim 1, it is characterised in that：The permanent magnet with it is dynamic
The position that contact contacts conducting with static contact is corresponding.
3. the switch unit of rotary separation switch according to claim 1, it is characterised in that：The magnetic of the permanent magnet
The shaft axis of force direction and moving contact rotating turret is arranged in parallel.
4. the switch unit of rotary separation switch according to claim 1 or 2 or 3, it is characterised in that：The permanent magnetism
Body is the cylindrical magnet steel of shape.
5. the switch unit of rotary separation switch according to claim 4, it is characterised in that：The unit housings with
Permanent magnet is correspondingly arranged on circular mounting slot compatible with permanent magnet axial end portion shape.
6. the switch unit of rotary separation switch according to claim 5, it is characterised in that：The unit housings are enclosed
It is provided with the mounting wall contradicted with permanent magnet periphery around permanent magnet, the section of the mounting wall inner circumferential is in major arc shape, in the mounting wall
Permanent magnet is installed by pressing for finger in the vacancy in week.
7. the switch unit of rotary separation switch according to claim 5, it is characterised in that：The static contact setting
There are closure, the closure to be respectively limited by the axial both ends of permanent magnet with circular mounting slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820047807.4U CN207834143U (en) | 2018-01-11 | 2018-01-11 | The switch unit of rotary separation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820047807.4U CN207834143U (en) | 2018-01-11 | 2018-01-11 | The switch unit of rotary separation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207834143U true CN207834143U (en) | 2018-09-07 |
Family
ID=63392757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820047807.4U Active CN207834143U (en) | 2018-01-11 | 2018-01-11 | The switch unit of rotary separation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207834143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020151201A1 (en) * | 2019-01-25 | 2020-07-30 | 浙江奔一电气有限公司 | Moving contact assembly for rotary switch |
-
2018
- 2018-01-11 CN CN201820047807.4U patent/CN207834143U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020151201A1 (en) * | 2019-01-25 | 2020-07-30 | 浙江奔一电气有限公司 | Moving contact assembly for rotary switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325600 Daqiao Industrial Zone, beibaixiang Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Benyi New Energy Co.,Ltd. Address before: 325600 Daqiao Industrial Zone, beibaixiang Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG BENYI ELECTRICAL Co.,Ltd. |