CN209418402U - A kind of permanent magnet state holding disconnecting switch - Google Patents
A kind of permanent magnet state holding disconnecting switch Download PDFInfo
- Publication number
- CN209418402U CN209418402U CN201920226153.6U CN201920226153U CN209418402U CN 209418402 U CN209418402 U CN 209418402U CN 201920226153 U CN201920226153 U CN 201920226153U CN 209418402 U CN209418402 U CN 209418402U
- Authority
- CN
- China
- Prior art keywords
- moving contact
- contact
- fixedly connected
- permanent magnet
- insulation column
- 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.)
- Expired - Fee Related
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model provides a kind of permanent magnet state holding disconnecting switch, including pedestal, a pair of of insulation column is provided with above pedestal, static contact is fixedly connected on each insulation column, several are fixedly connected on static contact through the connector of static contact and insulator upper surface, wherein moving contact component is fixedly connected on an insulation column, the shaft being rotatably assorted with moving contact component is arranged on moving contact component, the moving contact for forming closed circuit above insulation column and after being closed for contacting static contact is fixedly connected in shaft, several permanent magnets matched with connector are arranged at intervals on moving contact, when moving contact and static contact contact closure, permanent magnet is corresponding one by one with connector position and mutually adsorbs fixation by magnetic force.The utility model is designed reasonably facilitates operation, and structure is simple, at low cost, easy to repair, and effectively solves power-off fault caused by traditional isolation switch mechanism bite, contact fever, has practicability.
Description
Technical field
The utility model relates to a kind of permanent magnet states to keep disconnecting switch.
Background technique
Distribution network overhead line delivers the power to terminal user, and disconnecting switch is widely used in the line, in point of route
Section, branch point, the tie point of overhead transmission line and cable run, two side line equipotential of pole-mounted circuit breaker sets a large amount of uses, as obvious
Cut-off point plays indispensable role in power distribution network safety management.Currently, traditional isolation knife that distribution network overhead line uses
Lock maintains opening and closing state by the way of spring compression, mechanical locking, and spare and accessory parts are more, and price is higher；Will work people when operation
Member's alignment position, firmly push could in-place closing；Run a period of time after, due to mechanical breakdown influence transmission or not the case where
It occurs repeatedly, spring compression causes dynamic and static contact surface coating to damage, and then causes disconnecting link heating burnout, and spring fatigue is easy
It causes dynamic and static contact bad, also easily causes disconnecting link heating burnout.
Utility model content
The utility model improves the above problem, i.e., the technical problem to be solved by the present invention is to provide one kind
Permanent magnet state keeps disconnecting switch, and easy to operate and working effect is good.
The specific embodiment of the utility model is: providing a kind of permanent magnet state holding disconnecting switch, including pedestal, institute
A pair of insulation column for keeping certain electrical distance of setting above pedestal is stated, is fixedly connected with static contact on each insulation column,
Several are fixedly connected on the static contact through the connector of static contact and insulation column upper surface, wherein an insulation column
On be fixedly connected with moving contact component, the shaft being rotatably assorted with moving contact component is arranged on the moving contact component, it is described
The dynamic touching for forming closed circuit above insulation column and after being closed for contacting static contact is fixedly connected in shaft
Head is arranged at intervals with several permanent magnets matched with connector, moving contact and static contact contact closure on the moving contact
When, permanent magnet is corresponding one by one with connector position and mutually adsorbs fixation by magnetic force.
Further, the connector is dormant bolt.
Further, the moving contact component is that ferromagnetism plate is made.
Further, the operation pull ring for facilitating folding moving contact is fixedly connected on the moving contact.
Compared with prior art, the utility model has the following beneficial effects: present apparatus design is reasonable, structure is simple, behaviour
Facilitate, maintenance workload is small, while project cost is effectively reduced, and is greatly reduced because of isolation switch mechanism bite, contact hair
Power-off fault caused by the reasons such as heat, effectively improves power supply reliability.
Detailed description of the invention
Fig. 1 is the utility model embodiment switch closed condition structural schematic diagram；
Fig. 2 is the utility model embodiment switch closed condition top view；
Fig. 3 is the utility model embodiment switch open condition structural schematic diagram；
Fig. 4 is the utility model embodiment switch open condition structural schematic diagram.
In figure: 1- pedestal, 2- insulation column, 11- moving contact, 12- static contact, 13- moving contact component, 14- operate pull ring,
15- shaft, 16- permanent magnet, 17- dormant bolt.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Embodiment: as shown in Fig. 1 ~ 4, in the present embodiment, a kind of permanent magnet state holding disconnecting switch, including pedestal are provided
1, a pair of insulation column 2 for keeping certain electrical distance of setting above the pedestal 1 is fixedly connected on each insulation column 2
Static contact 12, several is fixedly connected on the static contact through the connector of static contact and insulation column upper surface, described
Connector upper surface is higher than insulation column upper surface, wherein moving contact component 13 is fixedly connected on an insulation column 2, it is described dynamic
It is arranged with the shaft 15 being rotatably assorted with moving contact component 13 in contact members 13, is fixedly connected with to have in the shaft 15 and lead
Electrical moving contact 11, the moving contact 11 are located at 2 top of insulation column, after moving contact 11 is closed by rotating shaft 15, move touching
First 11 contact to form closed circuit with the static contact 12 on each 2 surface of insulation column, are spaced setting on the moving contact
The permanent magnet 16 for thering are several to match with connector, moving contact and when static contact contact closure, each permanent magnet 16 with it is each
Connector position is corresponding one by one and mutually adsorbs fixation by magnetic force.
In the present embodiment, the distance between two insulation columns 2 can be according to line voltage distribution hierarchical selection, and has enough
Bending resistance, torsional strength, guarantee switch operation stability.
In the present embodiment, the connector can be other iron materials of dormant bolt 17 or the magnetic connection of tool
Part, in closed state, the permanent magnet on dormant bolt and moving contact by magnetic-adsorption, protect by the preferably fixed moving contact of auxiliary
Hold closed state.
In the present embodiment, the moving contact component 13 can be ferromagnetic plate material at when opening moving contact, moving contact can
With by magnetic-adsorption, on moving contact component, the preferably fixed moving contact of auxiliary is kept open.
In the present embodiment, the operation pull ring 14 for facilitating folding moving contact is fixedly connected on the moving contact 11.
In the present embodiment, moving contact 11, static contact 12 can use T2 copper material, and edge chamfer is round and smooth, electroplate, can
To enhance entire circuit electric conductivity, reinforce durability.
In the present embodiment, moving contact 11 is stirred in use, can be inserted in using insulated pull rod in operation pull ring 14, by dynamic touching
First 11 rotation is fixed to 2 top of insulation column, and moving contact 11 contacts to form closed circuit with static contact 12, the permanent magnetism on moving contact
Body is fixed with the dormant bolt on insulation column by magnetic-adsorption, while being fixed moving contact by the adsorption capacity of magnet and being kept
In connection closed state；After use, pull ring pull-up will be operated, drives moving contact 11 to rotate shaft position rotation, cuts off dynamic touching
Moving contact can be fixed on moving contact component by contact of the head with static contact to cut-off loop by magnetic force, keep dynamic
Contact is in opening state.The utility model structure is simple, easy to operate, and staff is facilitated to operate, and is greatly decreased because of isolation knife
Power-off fault caused by the reasons such as brake mechanism bite, contact fever, promotes power supply reliability, and save the cost, has practicability.
Above-mentioned any technical solution disclosed in the utility model unless otherwise stated, if it discloses numberical range,
So disclosed numberical range is preferred numberical range, and any it should be appreciated by those skilled in the art preferred numerical value
Range is only the numerical value that technical effect is obvious or representative in many enforceable numerical value.Since numerical value is more,
It is impossible to exhaust, so the utility model discloses component values just to illustrate the technical solution of the utility model, also, above-mentioned
The numerical value enumerated should not constitute the limitation that protection scope is created to the utility model.
Meanwhile if above-mentioned the utility model discloses or relates to the components or structural member of connection fastened to each other,
Unless otherwise stated, it is fixedly connected it is to be understood that connection (such as connecting using bolt or screw) can be removedly fixed,
It also will be understood that are as follows: it is non-removable to be fixedly connected with (such as riveting, welding), certainly, connection fastened to each other or one
Formula structure (such as manufacturing using casting technique is integrally formed) is replaced (can not obviously to be removed using integrally formed technique
Outside).
In addition, for indicating positional relationship or shape applied in above-mentioned any technical solution disclosed by the utility model
Term its meaning includes approximate with its, similar or close state or shape unless otherwise stated.
Either component provided by the utility model by multiple individual component parts either assembled, or
The separate part that integrally formed technique manufactures.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (4)
1. a kind of permanent magnet state keeps disconnecting switch, which is characterized in that including pedestal, be provided with a pair of of guarantor above the pedestal
The insulation column of certain electrical distance is held, static contact is fixedly connected on each insulation column, is fixedly connected on the static contact
There are several through the connector of static contact and insulation column upper surface, wherein being fixedly connected with moving contact structure on an insulation column
Part is arranged with the shaft being rotatably assorted with moving contact component on the moving contact component, is fixedly connected with and is located in the shaft
The moving contact of closed circuit is formed above insulation column and after being closed for contacting static contact, is spaced and is set on the moving contact
When being equipped with several permanent magnets matched with connector, moving contact and static contact contact closure, permanent magnet and connector position
It corresponds to one by one and fixation is mutually adsorbed by magnetic force.
2. a kind of permanent magnet state according to claim 1 keeps disconnecting switch, which is characterized in that the connector is heavy
Hook bolt.
3. a kind of permanent magnet state according to claim 2 keeps disconnecting switch, which is characterized in that the moving contact component
It is made for ferromagnetism plate.
4. a kind of any permanent magnet state keeps disconnecting switch according to claim 1 ~ 3, which is characterized in that the dynamic touching
The operation pull ring for facilitating folding moving contact is fixedly connected on head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920226153.6U CN209418402U (en) | 2019-02-23 | 2019-02-23 | A kind of permanent magnet state holding disconnecting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920226153.6U CN209418402U (en) | 2019-02-23 | 2019-02-23 | A kind of permanent magnet state holding disconnecting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209418402U true CN209418402U (en) | 2019-09-20 |
Family
ID=67945251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920226153.6U Expired - Fee Related CN209418402U (en) | 2019-02-23 | 2019-02-23 | A kind of permanent magnet state holding disconnecting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209418402U (en) |
-
2019
- 2019-02-23 CN CN201920226153.6U patent/CN209418402U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190920 Termination date: 20200223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |