CN207441492U - The moving contact insulating trip of electrical rotary switch - Google Patents
The moving contact insulating trip of electrical rotary switch Download PDFInfo
- Publication number
- CN207441492U CN207441492U CN201721300281.8U CN201721300281U CN207441492U CN 207441492 U CN207441492 U CN 207441492U CN 201721300281 U CN201721300281 U CN 201721300281U CN 207441492 U CN207441492 U CN 207441492U
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- Prior art keywords
- contact
- static contact
- reserved
- moving contact
- space
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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The moving contact insulating trip of electrical rotary switch, it includes insulated rotary piece (1) and movable contact spring (2), the movable contact spring (2) is on the insulated rotary piece (1), the insulated rotary piece (1) is equipped with reserved static contact space (101), it is characterised in that：Baffle (3) is provided in the reserved static contact space (101).The moving contact insulating trip by adding baffle arrangement in the reserved cephalomotor space of stationary contact, not only enhances striking function, the significantly more efficient exhaust outlet that the electric arc of generation is guided into contact housing excludes；The electric arc of generation is hindered simultaneously from the static contact of switch one end with static contact of the rotation of moving contact along the cephalomotor spatial movement of reserved stationary contact to the other end, so as to avoid both ends static contact short circuit.
Description
Technical field
The utility model belongs to switching technique field, is exactly specifically the moving contact insulation for being related to electrical rotary switch
Piece.
Background technology
Electrical rotary switch is a kind of common switch, by the way that rotary operator is locked in and rotary operating device
Particular state corresponding specific position rotary operating device is prevented to be operated without permission.Usual electrical rotary switch
For being prevented under "on" position or allowing electric current flowing so that need the part having a power failure and live part reliable in power distribution equipment
Separation.Electrical rotary switch is widely used in electric system.Especially in photovoltaic system, generated in each photovoltaic cell compared with
Small electric current provides required electric current or general power to give by combination in parallel using system, can using electrical rotary switch
To realize the purpose for individually isolating, protecting and disconnecting each photovoltaic cell.
At present, being commonly used in the electrical rotary switch of photovoltaic system includes an operating mechanism and several contact moulds
The structures shape of block, wherein contact module the arc quenching effect of electrical rotary switch, and existing contact module is in rotary electric
Electric arc electric discharge can be generated when the engagement of moving contact component and static contact component or disengagement of air cock, electrical discharge arc is usually corrosivity
With conductive explosion like heat plasma cloud, these plasma clouds can damage insulation movable contact spring, on the other hand, existing moving contact it is exhausted
The cephalomotor space of reserved stationary contact on embolium is perforation, and not only striking function is not strong, and when moving contact rotary motion,
Electric arc by the space it is possible that can be located at the static contact short circuit at run-though space both ends.
Utility model content
The electric arc generated when the purpose of this utility model is aiming at existing dynamic/static contact disjunction is it is possible that can be by pre-
The cephalomotor space of stationary contact is stayed to cause the technological deficiency for being located at the static contact short circuit at run-though space both ends, a kind of rotary electric is provided
The moving contact insulating trip of air cock by adding baffle arrangement in the reserved cephalomotor space of stationary contact, not only enhances striking work(
Can, the significantly more efficient exhaust outlet that the electric arc of generation is guided into contact housing excludes；The electric arc of generation is hindered simultaneously from switch
The static contact of one end is with static contact of the rotation of moving contact along the cephalomotor spatial movement of reserved stationary contact to the other end, so as to keep away
Exempt from both ends static contact short circuit.
Technical solution
In order to realize above-mentioned technical purpose, the utility model devises the moving contact insulating trip of electrical rotary switch, it
Including insulated rotary piece and movable contact spring, the movable contact spring is mounted in the insulated rotary on piece, and the insulated rotary on piece is equipped with pre-
Stay static contact space, it is characterised in that：Baffle is provided in the reserved static contact space.
Further, the baffle plate setting is the ゜ of 0 ゜~78 with the angle of movable contact spring in the reserved static contact space
Between.
Preferably, the baffle is the insulating part with insulated rotary piece integral structure.
Advantageous effect
The moving contact insulating trip of a kind of electrical rotary switch provided by the utility model, by being moved in reserved static contact
Space add baffle arrangement, not only enhance striking function, the significantly more efficient row that the electric arc of generation is guided into contact housing
Gas port excludes；The static contact for hindering electric arc from switch one end of generation simultaneously is transported with the rotation of moving contact along reserved static contact
Dynamic spatial movement to the other end static contact, so as to avoid the short circuit of both ends static contacts.
Description of the drawings
Attached drawing 1 is the structure diagram of moving contact in the utility model embodiment 1.
Attached drawing 2 is the structure diagram that moving contact and static contact are in discrete state in the utility model embodiment 1.
Attached drawing 3 is the structure diagram of moving contact and static contact in an ON state in the utility model embodiment 1.
Attached drawing 4 is the structure diagram that moving contact and static contact are in discrete state in the utility model embodiment 2.
Attached drawing 5 is the structure diagram of moving contact and static contact in an ON state in the utility model embodiment 2.
Attached drawing 6 is the structure diagram that moving contact and static contact are in discrete state in the utility model embodiment 3.
Attached drawing 7 is the structure diagram of moving contact and static contact in an ON state in the utility model embodiment 3.
Attached drawing 8 is the decomposition texture schematic diagram of electrical rotary switch in the utility model embodiment.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described further.
The moving contact insulating trip of electrical rotary switch, it includes insulated rotary piece 1 and movable contact spring 2, and the movable contact spring 2 fills
On the insulated rotary piece 1, the insulated rotary piece 1 is equipped with reserved static contact space 101, the reserved stationary contact
Baffle 3 is provided in head space 101.
The baffle 3 be arranged in the reserved static contact space 101 with the angle of movable contact spring 2 be the ゜ of 0 ゜~78 it
Between.The baffle 3 is the insulating part with 1 integral structure of insulated rotary piece.
Embodiment 1
As shown in Figure 1, the baffle 3 is arranged on the angle with movable contact spring 2 in the reserved static contact space 101
For 0 ゜, as shown in Figure 2, first when moving contact 4 and static contact 5 are in discrete state, it is necessary to when closing a floodgate, such as attached drawing 3, rotate dynamic
Contact 4 makes moving contact 4 be connected with static contact 5, due to hindering the electric arc of generation there are baffle 3 from the static contact 5 of switch one end
As the rotation of moving contact 4 moves to along reserved static contact space 101 static contact 5 of the other end, so as to avoid both ends quiet
5 short circuit of contact.
Embodiment 2
It is such as attached when the baffle 3 is arranged in the reserved static contact space 101 and the angle of movable contact spring 2 is 45 ゜
Shown in Fig. 4, first when moving contact 4 and static contact 5 are in discrete state, it is necessary to when closing a floodgate, such as attached drawing 5, rotating moving contact 4 makes
Contact 4 is connected with static contact 5, due to hindering the electric arc of generation there are baffle 3 from the static contact 5 of switch one end with moving contact
4 rotation moves to the static contact 5 of the other end along reserved static contact space 101, so as to avoid 5 short circuit of both ends static contact.
Embodiment 3
It is such as attached when the baffle 3 is arranged in the reserved static contact space 101 and the angle of movable contact spring 2 is 78 ゜
Shown in Fig. 6, first when moving contact 4 and static contact 5 are in discrete state, it is necessary to when closing a floodgate, such as attached drawing 7, rotating moving contact 4 makes
Contact 4 is connected with static contact 5, due to hindering the electric arc of generation there are baffle 3 from the static contact 5 of switch one end with moving contact
4 rotation moves to the static contact 5 of the other end along reserved static contact space 101, so as to avoid 5 short circuit of both ends static contact.
As shown in Figure 8, electrical rotary switch is the multiple contact modules and rotation process machine by being stacked
Structure 4 forms, and the contact module structure is similar.Rotary operation mechanism includes operating the shaft of the switch, and the shaft can be around
Its center axis rotary motion.Each contact module of electrical rotary switch is secured together.In the present embodiment, contact module
Including attachment device, form is buckle and corresponding groove.By the way that contact module is stacked with and by the contact module
On be caught in adjacent contact module groove to realize the connection between contact module.Rotary operation mechanism is located at rotary electric
Connecing for moving contact and static contact for operating dynamic moving contact, is realized in the top of air cock and with rotatable operation shaft
On and off is opened.
Connecting shaft passes through and forms cooperation with moving contact and therewith, while rotary operation mechanism also has and connect with what connecting shaft coordinated
Mouthful.Therefore, connecting shaft, moving contact, operating mechanism three form unified connector, when the operation shaft rotation of operating mechanism
Moving contact can be driven to rotate together.Electric arc is generated when moving contact and static contact disjunction, in the present embodiment due to reserved quiet
It touches cephalomotor space and adds baffle arrangement, not only enhance striking function, it is significantly more efficient to guide the electric arc of generation into contact
The exhaust outlet of housing excludes；The electric arc of generation is hindered simultaneously from the static contact of switch one end as the rotation of moving contact is along reserved
The cephalomotor spatial movement of stationary contact to the other end static contact, so as to avoid both ends static contact short circuit.
Structure, ratio, size, quantity depicted in the present embodiment institute accompanying drawings etc., only specification to be coordinated to be taken off
The content shown so that those skilled in the art understands and reads, is not limited to the enforceable restriction item of the utility model
Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing
Under the effect of the utility model can be generated and the purpose that can reach, should all still it fall in the revealed technology of the utility model
In the range of Rong get Neng is covered.It is meanwhile cited such as " on ", " under ", "left", "right", " centre ", " up time in this specification
The term of pin ", " counterclockwise " etc. is merely convenient to understanding rather than to limit the enforceable scope of the utility model for narration,
Its relativeness is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.
Claims (3)
1. the moving contact insulating trip of electrical rotary switch, it includes insulated rotary piece (1) and movable contact spring (2), the movable contact spring
(2) on the insulated rotary piece (1), the insulated rotary piece (1) is equipped with reserved static contact space (101),
It is characterized in that：Baffle (3) is provided in the reserved static contact space (101).
2. the moving contact insulating trip of electrical rotary switch as described in claim 1, it is characterised in that：The baffle (3) is set
In the reserved static contact space (101) and between the angle of movable contact spring (2) is 0 °~78 °.
3. the moving contact insulating trip of electrical rotary switch as described in claim 1, it is characterised in that：The baffle (3) is
With the insulating part of insulated rotary piece (1) integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721300281.8U CN207441492U (en) | 2017-10-10 | 2017-10-10 | The moving contact insulating trip of electrical rotary switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721300281.8U CN207441492U (en) | 2017-10-10 | 2017-10-10 | The moving contact insulating trip of electrical rotary switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207441492U true CN207441492U (en) | 2018-06-01 |
Family
ID=62295519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721300281.8U Active CN207441492U (en) | 2017-10-10 | 2017-10-10 | The moving contact insulating trip of electrical rotary switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207441492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845511A (en) * | 2017-10-10 | 2018-03-27 | 上海良信电器股份有限公司 | The moving contact insulating trip of electrical rotary switch |
-
2017
- 2017-10-10 CN CN201721300281.8U patent/CN207441492U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845511A (en) * | 2017-10-10 | 2018-03-27 | 上海良信电器股份有限公司 | The moving contact insulating trip of electrical rotary switch |
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