CN207624607U - On-load switch and gas all-insulated ring network cabinet - Google Patents
On-load switch and gas all-insulated ring network cabinet Download PDFInfo
- Publication number
- CN207624607U CN207624607U CN201721402488.6U CN201721402488U CN207624607U CN 207624607 U CN207624607 U CN 207624607U CN 201721402488 U CN201721402488 U CN 201721402488U CN 207624607 U CN207624607 U CN 207624607U
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- China
- Prior art keywords
- load switch
- arc
- shaft coupling
- extinguish chamber
- outside
- 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
Links
- 230000008878 coupling Effects 0.000 claims abstract description 58
- 238000010168 coupling process Methods 0.000 claims abstract description 58
- 238000005859 coupling reaction Methods 0.000 claims abstract description 58
- 238000003780 insertion Methods 0.000 claims abstract description 14
- 230000037431 insertion Effects 0.000 claims abstract description 14
- 230000003068 static effect Effects 0.000 claims abstract description 7
- 230000007704 transition Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010891 electric arc Methods 0.000 abstract description 4
- 239000004677 Nylon Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model is suitable for on-load switch technical field, disclose on-load switch and gas all-insulated ring network cabinet, wherein, on-load switch include three moving contacts, three be fixedly connected respectively with three moving contacts and coaxial sequentially connected shaft coupling, three arc-extinguish chambers covered in respectively outside three moving contacts and three shaft couplings and several be convexly equipped in static contact outside each arc-extinguish chamber respectively, the both ends of shaft coupling are designed with annular slot, set that there are two the annular plates that coordinate respectively with two annular slot card insertions in arc-extinguish chamber.In the utility model, the phenomenon that three-phase moving contact is located in three independent arc-chutes, and each phase electric arc influences each other when avoiding opening and closing lock, the electrical security of product is effectively improved, and its is simple in structure, is readily produced manufacture, cost is relatively low.In addition, being limited by annular slot and annular plate card insertion cooperation between shaft coupling and arc-extinguish chamber, assembly and disassembly are all more convenient, and assembling limit is reliable, are conducive to improve the reliability of product.
Description
Technical field
The utility model is related to on-load switch technical field more particularly to on-load switch and with the gas of the on-load switch
All-insulated ring network cabinet.
Background technology
On-load switch is a kind of device for switching with simple arc-control device, uses SF6Gas is situated between as insulation and arc extinguishing
The on-load switch of matter is known as SF6Gas load switch.Due to SF6Gas load switch can close and disconnect load current and one
The overload current of multiple is determined, so SF6Gas load switch is widely used in the medium voltage distribution network in town and country.Existing market
10kV SF6Gas load switch is all that dynamic and static contact is mounted on metallic support mostly, and arc quenching method uses metal grid
Structure, this SF6There are complicated, poor structural reliability, manufacture difficulty, defects of high cost for gas load switch；And
The electric arc respectively mutually generated when opening and closing lock can influence each other, and there are security risks.
Utility model content
First of the utility model is designed to provide a kind of on-load switch, aims to solve the problem that existing on-load switch exists
Complicated, poor structural reliability, the technical problem that manufacture is difficult, of high cost, safety is poor.
In order to achieve the above objectives, scheme provided by the utility model is：On-load switch, including three moving contacts, three points
Be not fixedly connected with three moving contacts and coaxial sequentially connected shaft coupling, three cover in respectively three moving contacts with
Arc-extinguish chamber outside three shaft couplings is convexly equipped in the static contact outside each arc-extinguish chamber respectively with several, the shaft coupling
Both ends are designed with annular slot, set that there are two the annulars respectively with two annular slot card insertions cooperations to insert in the arc-extinguish chamber
Plate.
Optionally, the two of the arbitrary neighborhood shaft couplings are all connected by card insertion mode.
Optionally, in the two adjacent shaft couplings, one end of a shaft coupling inserts in another shaft coupling
In device, and it is circumferentially spaced with several by several circumferentially spaced grooves at the cooperation of two shaft coupling
The mutual clamping matching of boss of distribution.
Optionally, the on-load switch further includes two bar shaped connectors, and the two bar shaped connectors go out from described respectively
The both sides of arc cover are sequentially connected three arc-extinguish chambers.
Optionally, the arc-extinguish chamber is detachably connected including two and is covered on respectively from the shaft coupling both sides described
Lid outside axis device is designed with the static contact outside each lid, be designed in each lid two respectively with described in two
The semi-circular plate of annular slot card insertion cooperation.
Optionally, the shaft coupling includes body and two connection shells being symmetrically convexly equipped on the outside of the body, the ring
Shape card slot is recessed to be formed on the body, and connecting hole is equipped in the connection shell, and the moving contact passes through transition fit system
Wear the connecting hole of the two connection shell of connection.
Optionally, the moving contact includes that two main leaf bodies disposed in parallel and four are respectively arranged on two main leaf bodies two
The shrapnel at end, two main leaf bodies are arranged in transition fit system in the connecting hole of the two connection shells, each bullet
Piece is all exposed to outside the connecting hole, and the both sides of each connection shell are designed with the installation for respectively extending from the two shrapnel sides
Plate is each fitted with a grip block for compressing a shrapnel on the mounting plate.
Optionally, the on-load switch further includes the connecting plate for connecting the mounting plate and the body.
Optionally, the connecting plate includes axially extending plate body and radially extends plate body, and the axially extending plate body is from institute
The end cross far from the connection shell for stating mounting plate extends, and the plate body that radially extends is along the one radially connected of the body
Between the axially extending plate body and the body；And/or
The grip block is slidably mounted on the mounting plate；And/or
The connecting hole is square hole.
Second of the utility model is designed to provide a kind of gas all-insulated ring network cabinet, is opened with above-mentioned load
It closes.
On-load switch and gas all-insulated ring network cabinet provided by the utility model passes through three coaxially connected shaft couplings point
Not Lian Jie three moving contacts, and an arc-extinguish chamber is provide with outside each shaft coupling and each moving contact, in this way, may make three-phase
The phenomenon that moving contact can be located separately in three independent arc-chutes, and each phase electric arc influences each other when avoiding opening and closing lock,
Effectively improve the electrical security of product, and its is simple in structure, be readily produced manufacture, cost is relatively low.In addition, shaft coupling with go out
It is limited by annular slot and annular plate card insertion cooperation between arc cover, assembly and disassembly are all more convenient, and assembling limit can
It leans on, is conducive to improve the reliability of product.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the perspective exploded view for the on-load switch that the utility model embodiment provides；
Fig. 2 is the three-dimensional assembling schematic diagram for the on-load switch that the utility model embodiment provides；
Fig. 3 is the left view floor map for the on-load switch that the utility model embodiment provides；
Fig. 4 is the diagrammatic cross-section of A-A in Fig. 3；
Fig. 5 is the three-dimensional assembling schematic diagram of the moving contact of the utility model embodiment offer, shaft coupling, grip block；
Fig. 6 is the perspective exploded view of the moving contact of the utility model embodiment offer, shaft coupling, grip block.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
It should also be noted that, when element is referred to as on " being fixed on " or " being set to " another element, it can be straight
It is connected on another element or may be simultaneously present centering elements.When an element is known as " connection " another element,
It can be directly connected to another element or may be simultaneously present centering elements.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
To indicate or implying its relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection domain within.
As shown in figures 1 to 6, the utility model embodiment provide on-load switch, including three moving contacts 1, three respectively with
Three moving contacts 1 are fixedly connected and coaxial 2, three, sequentially connected shaft coupling covers in three moving contacts 1 and three shaft couplings respectively
Arc-extinguish chamber 3 outside device 2 is convexly equipped in the static contact 4 outside each arc-extinguish chamber 3 respectively with several, and the both ends of shaft coupling 2 are designed with annular
Card slot 211, sets that there are two the annular plates 31 coordinated respectively with two annular slots, 211 card insertion in arc-extinguish chamber 3.Three moving contacts 1
Respectively three-phase moving contact；Three shaft couplings 2 are respectively three-phase shaft coupling；Three arc-extinguish chambers 3 respectively three-phase arc-extinguish chamber, and three
Three-phase arc-chutes are respectively formed in a arc-extinguish chamber 3.The on-load switch that the utility model embodiment provides, is coaxially connected by three
The shaft coupling 2 connect is separately connected three moving contacts 1, and is provide with an arc-extinguish chamber outside each shaft coupling 2 and each moving contact 1
3, i.e., each correspondence of arc-extinguish chamber 3 covers at outside a moving contact 1 and a shaft coupling 2, in this way, may make three-phase moving contact that can divide
Wei Yu not be in three independent arc-chutes, the phenomenon that each phase electric arc influences each other when avoiding opening and closing lock, effectively improve production
The electrical security of product, and its is simple in structure, is readily produced manufacture, cost is relatively low.In addition, between shaft coupling 2 and arc-extinguish chamber 3
It being limited by annular slot 211 and the 31 card insertion cooperation of annular plate, assembly and disassembly are all more convenient, and assembling limit is reliable,
Conducive to the reliability of raising product.
Preferably, two shaft couplings 2 of arbitrary neighborhood are all connected by card insertion mode, i.e., in two adjacent shaft couplings 2, one
The other end for connecting another shaft coupling 2 is inserted into one end of a shaft coupling 2.Card insertion connection type is easily achieved, and organizes installation and dismantling
Unload all fairly simple convenience.
Preferably, in two adjacent shaft couplings 2, one end of a shaft coupling 2 inserts in another shaft coupling 2, and should
By several circumferentially spaced grooves 201 and several are circumferentially spaced convex at the cooperation of two shaft couplings 2
202 mutual clamping matching of platform.One end contour dimension of shaft coupling 2 is more than the contour dimension of the other end, the big end of contour dimension
Equipped with groove 201, the small end of contour dimension is equipped with boss 202.Herein, pass through groove 201 and boss between two shaft couplings 2
202 clamping matching mode realizes locking limit, simple in structure, easily fabricated molding, and assembly and disassembly are all relatively easy
Operation.
Preferably, on-load switch further includes two bar shaped connectors 5, and two bar shaped connectors 5 are respectively from the both sides of arc-extinguish chamber 3
It is sequentially connected three arc-extinguish chambers 3.The setting of two bar shaped connectors 5 is mainly used for connecting three arc-extinguish chambers 3.Three arc-extinguish chambers 3
It can specifically be linked together with nylon bolt by two bar shaped connectors 5.
Preferably, bar shaped connector 5 is bakelite item.
Preferably, arc-extinguish chamber 3 is detachably connected including two and is covered on outside shaft coupling 2 from 2 both sides of shaft coupling respectively
Lid 32, each lid 32 are designed with static contact 4 outside, and two are designed in each lid 32 and is blocked respectively with two annular slots 211
The semi-circular plate 321 that inserting is closed.Mutually lid closes two lids 32 of connection, from both sides card insertion in same annular slot 211
Two semi-circular plates 321 constitute an annular plate 31.Herein, arc-extinguish chamber 3 is divided into two lids 32 and manufactures and designs, mainly
Convenient for the assembly of arc-extinguish chamber 3 and shaft coupling 2.
Preferably, shaft coupling 2 includes body 21 and two symmetrical connection shells 22 being convexly equipped on the outside of body, annular slot
211 it is recessed be formed on body 21, be equipped with connecting hole 221 in connection shell 22, moving contact 1 wears connection by transition fit system
The connecting hole 221 of two connection shells 22.Moving contact 1 is connect by transition fit system with shaft coupling 2, simple in structure, be manufactured into
This is low and convenient for disassembly and assembly.
Preferably, connecting hole 221 is square hole, in this way, preventing the opposite connection shell of moving contact 1 using the seamed edge of square hole
22 rotate movement, to fully ensure that reliability that moving contact 1 is connect with shaft coupling 2.
Preferably, moving contact 1 includes that two main leaf bodies 11 disposed in parallel and four are respectively arranged on two main leaf bodies, 11 both ends
Shrapnel 12, two main leaf bodies 11 are arranged in transition fit system in the connecting hole 221 of two connection shells 22, and each shrapnel 12 is all exposed to
Outside connecting hole 221, each both sides for connecting shell 22 are designed with the mounting plate 23 for respectively extending from two shrapnels, 12 side, each to install
A grip block 6 for compressing a shrapnel 12 is fitted on plate 23.The opposite grip block 6 in two intervals can compress two phases
To the deformation of shrapnel 12 draw close, to conducive to being slipped out of shaft coupling 2 when preventing moving contact 1 from rotate with shaft coupling 2, and then abundant
It ensure that the structural reliability of on-load switch.
Preferably, on-load switch further includes the connecting plate 24 for connection plate 23 and body 21.Connecting plate 24 is set
It sets, can avoid the cantilever setting of mounting plate 23, to be conducive to prevent the deformation easily of mounting plate 23, and then be conducive to improve grip block
The reliability of 6 pairs of moving contacts 1 limit.
Preferably, connecting plate 24 includes axially extending plate body 241 and radially extends plate body 242, axially extending plate body 241 from
The end cross far from connection shell 22 of mounting plate 23 extends, and radially extend plate body 242 along body one is connected radially to axial direction
Extend between plate body 241 and body 21.Herein, connecting plate 24 is L-shaped, simple in structure, reliable.
Preferably, grip block 6 is slidably mounted on mounting plate 23.Grip block 6 is equipped with and is slidably matched with mounting plate 23
Sliding slot.Grip block 6 is installed on by the mode of being slidably installed on mounting plate 23, and installation and removal are all more convenient.Shrapnel 12
Grip block 6 can be pressed on mounting plate 23 by reverse elasticity active force, in this way, pacifying on mounting plate 23 conducive to guarantee grip block 6
The stability of dress.
Preferably, arc-extinguish chamber 3 and shaft coupling 2 all use transparent nylon T5000 (Degussa PA12) injection molding.T5000
Have the characteristics that dimensional stability height, mechanical performance equilibrium, high heat stability, high dynamic strength, easy processing molding, in this way, being conducive to
Ensure the excellent properties of arc-extinguish chamber 3 and shaft coupling 2.
Preferably, on-load switch provided in this embodiment is SF6Gas load switch, i.e., it is to use SF6Gas is as exhausted
The on-load switch of edge and arc-extinguishing medium.The SF that the utility model embodiment provides6Gas load switch, reasonable design, structure letter
Single, reliability is high, and protective is good.
Further, the utility model embodiment additionally provides gas all-insulated ring network cabinet, is opened with above-mentioned load
It closes.Gas all-insulated ring network cabinet provided in this embodiment, as a result of above-mentioned on-load switch, therefore, it is entirely exhausted to improve gas
The safety in utilization of edge ring main unit.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. on-load switch, which is characterized in that be fixedly connected respectively with three moving contacts including three moving contacts, three and together
The sequentially connected shaft coupling of axis, three cover in three moving contacts and arc-extinguish chamber outside three shaft couplings and several respectively
The both ends of a static contact being convexly equipped in respectively outside each arc-extinguish chamber, the shaft coupling are designed with annular slot, the arc-extinguish chamber
The annular plate coordinated respectively with the two annular slot card insertions there are two inside setting.
2. on-load switch as described in claim 1, which is characterized in that two shaft couplings of arbitrary neighborhood are all by card insertion side
Formula connects.
3. on-load switch as claimed in claim 2, which is characterized in that in the two adjacent shaft couplings, one described
One end of axis device inserts in another described shaft coupling, and circumferentially spaced by several at the cooperation of two shaft coupling
The groove of distribution and several mutual clamping matchings of circumferentially spaced boss.
4. on-load switch as described in any one of claims 1 to 3, which is characterized in that the on-load switch further includes two items
Shape connector, the two bar shaped connectors are sequentially connected three arc-extinguish chambers from the both sides of the arc-extinguish chamber respectively.
5. on-load switch as described in any one of claims 1 to 3, which is characterized in that the arc-extinguish chamber includes two detachable
It connects and is covered on the lid outside the shaft coupling from the shaft coupling both sides respectively, the stationary contact is designed with outside each lid
Head is each designed with two semi-circular plates with the two annular slot card insertions cooperations respectively in the lid.
6. on-load switch as described in any one of claims 1 to 3, which is characterized in that the shaft coupling includes body and two
The connection shell being symmetrically convexly equipped on the outside of the body, the annular slot is recessed to be formed on the body, in the connection shell
Equipped with connecting hole, the moving contact wears the connecting hole of the two connection shell of connection by transition fit system.
7. on-load switch as claimed in claim 6, which is characterized in that the moving contact includes two main leaf bodies disposed in parallel
The shrapnel for being respectively arranged on the two main leaf body both ends with four, two main leaf bodies are arranged in two companies with transition fit system
In the connecting hole of body contact, each shrapnel is all exposed to outside the connecting hole, and the both sides of each connection shell are designed with point
Do not extend the mounting plate of the two shrapnel sides, be fitted on each mounting plate one for compress a bullet
The grip block of piece.
8. on-load switch as claimed in claim 7, which is characterized in that the on-load switch further includes for connecting the installation
The connecting plate of plate and the body.
9. on-load switch as claimed in claim 8, which is characterized in that the connecting plate includes that axially extending plate body and radial direction are prolonged
Plate body is stretched, the axially extending plate body extends from the end cross far from the connection shell of the mounting plate, and the radial direction is prolonged
Plate body is stretched to be connected radially between the axially extending plate body and the body along the one of the body；And/or
The grip block is slidably mounted on the mounting plate；And/or
The connecting hole is square hole.
10. gas all-insulated ring network cabinet, which is characterized in that have on-load switch as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721402488.6U CN207624607U (en) | 2017-10-27 | 2017-10-27 | On-load switch and gas all-insulated ring network cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721402488.6U CN207624607U (en) | 2017-10-27 | 2017-10-27 | On-load switch and gas all-insulated ring network cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207624607U true CN207624607U (en) | 2018-07-17 |
Family
ID=62826416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721402488.6U Expired - Fee Related CN207624607U (en) | 2017-10-27 | 2017-10-27 | On-load switch and gas all-insulated ring network cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207624607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117155A (en) * | 2020-08-14 | 2020-12-22 | 珠海沃顿电气有限公司 | Load switch convenient to dismouting |
-
2017
- 2017-10-27 CN CN201721402488.6U patent/CN207624607U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117155A (en) * | 2020-08-14 | 2020-12-22 | 珠海沃顿电气有限公司 | Load switch convenient to dismouting |
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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: 518118 Huicheng Science and Technology Industrial Plant, East of Lanjing Road and South of Jinxiu Road, Pingshan New District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN HIFUTURE INFORMATION TECHNOLOGY Co.,Ltd. Address before: 518118 Huicheng Science and Technology Industrial Plant, East of Lanjing Road and South of Jinxiu Road, Pingshan New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN HIFUTURE ELECTRIC Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 |