CN207966823U - The novel dismountable low pressure isolation switch for changing safety plate - Google Patents
The novel dismountable low pressure isolation switch for changing safety plate Download PDFInfo
- Publication number
- CN207966823U CN207966823U CN201820177200.8U CN201820177200U CN207966823U CN 207966823 U CN207966823 U CN 207966823U CN 201820177200 U CN201820177200 U CN 201820177200U CN 207966823 U CN207966823 U CN 207966823U
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- copper coin
- blade
- knife switch
- lead
- switch
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Abstract
The utility model discloses a kind of novel dismountable low pressure isolation switch for changing safety plate,Including pedestal,Left and right ends are respectively equipped with support insulator on pedestal,Two support insulator tops are vertically provided with lead-in copper coin,Lead-out wire copper coin,Lead-in copper coin,Lead-out wire copper coin is away from each other end and is respectively equipped with bolt,Opposite end is respectively equipped with contact,Contact is two and front and back parallel setting,Disconnecting link further includes two-phase copper coin blade of knife switch in end of incoming cables disposed in parallel,Two-phase leading-out terminal copper coin blade of knife switch disposed in parallel,Two-phase safety plate disposed in parallel and two-phase insulation connecting plate disposed in parallel,Insulation link block and safety plate are each provided between end of incoming cables copper coin blade of knife switch and leading-out terminal copper coin blade of knife switch,The link block that insulate is arranged in inside,Safety plate setting is on the outside of insulation link block,Two end of incoming cables copper coin blade of knife switch are connected with two contacts on lead-in copper coin respectively,Two leading-out terminal copper coin blade of knife switch are connected with two contacts on lead-out wire copper coin respectively；The safety plate contact resistance of the disconnecting link is small.
Description
Technical field
The utility model is related to what power industry 10kV pole top transformer taiwan area low-pressure line-outgoings side used to play disconnection low pressure
The low pressure isolation switch of load current effect, more particularly to a kind of novel dismountable low pressure isolation switch for changing safety plate.
Background technology
Pole type transformer uses commonplace in current power industry, therefore low pressure isolation switch use is relatively more, because
It is easy for installation for low pressure isolation switch technology maturation, it is easy to operate, it is cheap.Low pressure isolation switch used at present has two
Kind, need to operate on bar and replace one is safety plate, one is can remove disconnecting link to replace low pressure safety plate, it is such it is more convenient more
With practicability, therefore application is relatively extensive.
But this removable formula low pressure isolation switch that falls has the following problems：First, safety plate contact resistance is big, second is that knife
The contact area of lock and contact is few, and contact is easy poor contact, third, leading to the blade of knife switch of disconnecting link in the presence of intermediate insulation block is burnt out
Damage.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of novel dismountable low pressure isolation switch for changing safety plate, protect
Dangerous piece contact resistance is small.
The purpose of this utility model is achieved through the following technical solutions：
The novel dismountable low pressure isolation switch for changing safety plate, including switch base, the left and right ends on the switch base
It is vertically arranged with support insulator respectively, two support insulator tops, which are respectively perpendicular, is provided with lead-in copper coin, lead-out wire copper coin,
It is away from each other end on the lead-in copper coin, lead-out wire copper coin and is respectively arranged with bolt, opposite end is respectively arranged with contact, described to touch
Head is two and front and back parallel setting, and the disconnecting link further includes end of incoming cables copper coin blade of knife switch, leading-out terminal copper coin blade of knife switch, insurance
Piece and insulation connecting plate, the end of incoming cables copper coin blade of knife switch, leading-out terminal copper coin blade of knife switch, safety plate and insulation connecting plate are two
A, parallel setting before and after two end of incoming cables copper coin blade of knife switch, parallel setting before and after two leading-out terminal copper coin blade of knife switch is described
Insulation link block and safety plate are arranged between end of incoming cables copper coin blade of knife switch and leading-out terminal copper coin blade of knife switch, two insulation link blocks
Front and back parallel setting, one end are arranged between two end of incoming cables copper coin blade of knife switch, and the other end is arranged in two leading-out terminal copper coin locks
Between blade, parallel setting before and after two safety plates, one end is arranged on the outside of two end of incoming cables copper coin blade of knife switch, and other end setting exists
On the outside of two leading-out terminal copper coin blade of knife switch, two end of incoming cables copper coin blade of knife switch are connected with two contacts on lead-in copper coin respectively, scene 2
Line end copper coin blade of knife switch is connected with two contacts on lead-out wire copper coin respectively.
Further, it is connected with surge arrester support between two end of incoming cables copper coin blade of knife switch, is horizontally disposed on the surge arrester support
There is connecting rod, low voltage surge arrester is provided in the connecting rod.
Further, the connecting rod free end is arranged in a grouding spring clamp clamping opening, and the grouding spring clamp bottom end is solid
It is scheduled on switch base.
Further, drainage wire casing pressing plate is provided between the bolt and lead-in copper coin and/or bolt and lead-out wire copper coin,
The drainage wire casing pressing plate lower openings, the lead-in copper coin, lead-out wire copper coin front and rear sides respectively with drainage wire casing pressing plate
Front and rear sides contact in opening.
Further, left end is equipped with hook, two end of incoming cables copper coin blade of knife switch, two leading-out terminal copper coins with right end contact opposite sides
Insulating bar is provided between blade of knife switch, hook is hung on insulating bar, and compressed spring is arranged on the insulating bar.
Further, the compressed spring carries out end copper coin blade of knife switch positioned at two, two leading-out terminal copper coin blade of knife switch are away from each other
It is pressed on end of incoming cables copper coin blade of knife switch, on leading-out terminal copper coin blade of knife switch on the insulating bar of side and by spring capping.
Further, it is provided with hook between the leading-out terminal copper coin blade of knife switch on right end support insulator.
The utility model has the beneficial effects that：
The novel dismountable low pressure isolation switch for changing safety plate of the utility model, by lead-in copper coin, lead-out wire copper
Be respectively set two contacts on plate, and be arranged simultaneously two end of incoming cables copper coin blade of knife switch, two leading-out terminal copper coin blade of knife switch, two
Safety plate and two insulation connecting plates so that disconnecting link is in integrally " clamping plate type ", increases safety plate contact area, reduces contact
Resistance drains wire casing pressing plate by setting, improves the contact area of lead-in copper coin, lead-out wire copper coin and inlet-outlet line, to
Contact resistance is greatly reduced, because of the reduction of contact resistance, to avoid fever from causing burning out for collets, damages " lock
Knife ", by the way that arrester is arranged so that the disconnecting link has lightning-arrest effect, in conclusion by improving the longevity so that the disconnecting link above
Life is improved, and improves power supply reliability indirectly, reduces failure rate, and increases low pressure lightning protection function.
Other advantages, target and feature of the utility model will be explained in the following description to a certain extent
It states, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from the practice of the utility model.The target of the utility model and other advantages can be said by following
Bright book and claims are realized and are obtained.
Description of the drawings
In order to keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with attached drawing to this practicality
It is novel to be described in further detail, wherein：
Fig. 1 is the utility model stereogram；
Fig. 2 is the utility model front view；
Fig. 3 is the utility model right view；
Fig. 4 is another angle stereogram of the utility model.
In figure：Support insulator 1, insulator cover 2, switch base 3, grouding spring clamp 4, low voltage surge arrester 5, insulation connection
Block 6, surge arrester support 7, drainage wire casing pressing plate 10, lead-in copper coin 11, contact 14, end of incoming cables copper coin blade of knife switch 15, pressing plate 16,
Safety plate 18, leading-out terminal copper coin blade of knife switch 19, hook 20, lead-out wire copper coin 21, spring 22, spring capping 23.
Specific implementation mode
Hereinafter reference will be made to the drawings, and the preferred embodiment of the utility model is described in detail.It should be appreciated that preferably real
Example is applied only for illustrating the utility model, rather than in order to limit the scope of protection of the utility model.
As shown in Figs 1-4, the novel dismountable low pressure isolation switch for changing safety plate, including switch base 3, are conventional junction
Structure, the left and right ends on switch base 3 are vertically arranged with support insulator 1 respectively, and two support insulators, 1 lower end is also arranged with absolutely
Edge lid 2, two support insulators, 1 top, which is respectively perpendicular, is provided with lead-in copper coin 11, lead-out wire copper coin 21, lead-in copper coin
11, it is away from each other end on lead-out wire copper coin 21 and is respectively arranged with bolt, inlet-outlet line is bolted on lead-in copper coin 11, draws
On line copper coin 21, opposite end is respectively arranged with contact 14, and contact 14 is two and front and back parallel setting, disconnecting link further include inlet wire
Copper coin blade of knife switch 15, leading-out terminal copper coin blade of knife switch 19, safety plate 18 and insulation connecting plate 6, end of incoming cables copper coin blade of knife switch 15 is held to go out
Line end copper coin blade of knife switch 19, safety plate 18 and insulation connecting plate 6 are two, equal before and after two end of incoming cables copper coin blade of knife switch 15
Row is arranged, and parallel setting before and after two leading-out terminal copper coin blade of knife switch 19, insulation link block 6 is arranged at inlet wire with safety plate 18
It holds between copper coin blade of knife switch 15 and leading-out terminal copper coin blade of knife switch 19, parallel setting before and after two insulation link blocks 6, one end setting
Between two end of incoming cables copper coin blade of knife switch 15, the other end is arranged between two leading-out terminal copper coin blade of knife switch 19, before and after two safety plates 18
Parallel setting, one end setting are arranged in two end of incoming cables copper coin blade of knife switch, 15 outside, the other end in two leading-out terminal copper coin plug-in strips
The outside of piece 19, safety plate 18 are pressed in end of incoming cables copper coin blade of knife switch 15, on leading-out terminal copper coin blade of knife switch 19 by pressing plate 16, two inlet wires
End copper coin blade of knife switch 15 is connected with two contacts 14 on lead-in copper coin 11 respectively, two leading-out terminal copper coin blade of knife switch 19 respectively with draw
Two contacts 14 on outlet copper coin 21 are connected.
Surge arrester support 7 is connected between two end of incoming cables copper coin blade of knife switch 15, being horizontally disposed on surge arrester support 7 has connection
Bar is provided with low voltage surge arrester 5 in connecting rod.
Connecting rod free end is arranged in 4 clamping opening of a grouding spring clamp, and 4 bottom end of grouding spring clamp is fixed on switch base 3
On, grouding spring clamp 4 includes two intermediate plates being vertically arranged, and two intermediate plate lower ends are connected by connection sheet, and upper end forms clamping opening, in this way
Structure can facilitate the dismounting of arrester.
Drainage wire casing pressing plate 10, drainage are provided between bolt and lead-in copper coin 11 and/or bolt and lead-out wire copper coin 21
10 lower openings of wire casing pressing plate, lead-in copper coin 11,21 front and rear sides of lead-out wire copper coin are open with drainage wire casing pressing plate 10 respectively
Interior front and rear sides contact, inlet-outlet line is pressed between drainage wire casing pressing plate 10 and lead-in copper coin 11, lead-out wire copper coin 21.
Left end is equipped with hook, two end of incoming cables copper coin blade of knife switch 15, two leading-out terminal copper coin locks with 14 opposite sides of right end contact
Insulating bar is provided between blade 19, hook is hung on insulating bar, and compressed spring 22 is arranged on insulating bar, and compressed spring 22 can incite somebody to action
End of incoming cables copper coin blade of knife switch 15, leading-out terminal copper coin blade of knife switch 19 are securely pressed on contact 14, it is made to be contacted with contact 14 well.It is excellent
Choosing, compressed spring 22 is located at two and carries out the insulating bar for holding copper coin blade of knife switch 15, two leading-out terminal copper coin blade of knife switch 19 to be away from each other side
It is upper and end of incoming cables copper coin blade of knife switch 15 is pressed on, on leading-out terminal copper coin blade of knife switch 19 by spring capping 23.
It is provided with hook 20 between leading-out terminal copper coin blade of knife switch 19 on right end support insulator 1, can be conveniently affiliated to.
The novel dismountable low pressure isolation switch for changing safety plate of the utility model, by lead-in copper coin, lead-out wire copper
Be respectively set two contacts on plate, and be arranged simultaneously two end of incoming cables copper coin blade of knife switch, two leading-out terminal copper coin blade of knife switch, two
Safety plate and two insulation connecting plates so that disconnecting link is in integrally " clamping plate type ", increases safety plate contact area, reduces contact
Resistance drains wire casing pressing plate by setting, improves the contact area of lead-in copper coin, lead-out wire copper coin and inlet-outlet line, to
Contact resistance is greatly reduced, because of the reduction of contact resistance, to avoid fever from causing burning out for collets, damages " lock
Knife ", by the way that arrester is arranged so that the disconnecting link has lightning-arrest effect, in conclusion by improving the longevity so that the disconnecting link above
Life is improved, and improves power supply reliability indirectly, reduces failure rate, and increases low pressure lightning protection function.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, should all without departing from the objective and range of the technical program
Cover in the right of the utility model.
Claims (7)
1. the novel dismountable low pressure isolation switch for changing safety plate, it is characterised in that：Including switch base, on the switch base
Left and right ends are vertically arranged with support insulator respectively, and two support insulator tops, which are respectively perpendicular, to be provided with lead-in copper coin, draws
Outlet copper coin is away from each other end on the lead-in copper coin, lead-out wire copper coin and is respectively arranged with bolt, and opposite end is respectively arranged with tactile
Head, the contact are two and front and back parallel setting, and the disconnecting link further includes end of incoming cables copper coin blade of knife switch, leading-out terminal copper coin lock
Blade, safety plate and insulation connecting plate, the end of incoming cables copper coin blade of knife switch, leading-out terminal copper coin blade of knife switch, safety plate and insulation connect
Fishplate bar is two, parallel setting before and after two end of incoming cables copper coin blade of knife switch, equal before and after two leading-out terminal copper coin blade of knife switch
Row setting, the insulation link block and safety plate are arranged between end of incoming cables copper coin blade of knife switch and leading-out terminal copper coin blade of knife switch,
Parallel setting before and after two insulation link blocks, one end are arranged between two end of incoming cables copper coin blade of knife switch, and the other end is arranged two
Between leading-out terminal copper coin blade of knife switch, parallel setting before and after two safety plates, one end is arranged on the outside of two end of incoming cables copper coin blade of knife switch,
The other end is arranged on the outside of two leading-out terminal copper coin blade of knife switch, and two end of incoming cables copper coin blade of knife switch are touched with two on lead-in copper coin respectively
Head is connected, and two leading-out terminal copper coin blade of knife switch are connected with two contacts on lead-out wire copper coin respectively.
2. the novel dismountable low pressure isolation switch for changing safety plate according to claim 1, it is characterised in that：Two end of incoming cables copper
Surge arrester support is connected between plate blade of knife switch, being horizontally disposed on the surge arrester support has connecting rod, is arranged in the connecting rod
There is low voltage surge arrester.
3. the novel dismountable low pressure isolation switch for changing safety plate according to claim 2, it is characterised in that：The connecting rod
Free end is arranged in a grouding spring clamp clamping opening, and the grouding spring clamp bottom end is fixed on switch base.
4. the novel dismountable low pressure isolation switch for changing safety plate according to claim 1, it is characterised in that：The bolt with
It is provided between lead-in copper coin and/or bolt and lead-out wire copper coin and drains wire casing pressing plate, the drainage wire casing pressing plate lower openings,
The lead-in copper coin, lead-out wire copper coin front and rear sides are contacted with front and rear sides in drainage wire casing pressing plate opening respectively.
5. the novel dismountable low pressure isolation switch for changing safety plate according to claim 1, it is characterised in that：Left end and right end
Contact opposite sides are equipped with hook, and insulating bar, hook are provided between two end of incoming cables copper coin blade of knife switch, two leading-out terminal copper coin blade of knife switch
It is hung on insulating bar, compressed spring is arranged on the insulating bar.
6. the novel dismountable low pressure isolation switch for changing safety plate according to claim 5, it is characterised in that：The compression bullet
Spring carries out end copper coin blade of knife switch positioned at two, two leading-out terminal copper coin blade of knife switch are away from each other on the insulating bar of side and are compressed by spring capping
On end of incoming cables copper coin blade of knife switch, leading-out terminal copper coin blade of knife switch.
7. according to any novel dismountable low pressure isolation switch for changing safety plate of claim 1-6, it is characterised in that：Right end
It is provided with hook between leading-out terminal copper coin blade of knife switch on support insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820177200.8U CN207966823U (en) | 2018-02-01 | 2018-02-01 | The novel dismountable low pressure isolation switch for changing safety plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820177200.8U CN207966823U (en) | 2018-02-01 | 2018-02-01 | The novel dismountable low pressure isolation switch for changing safety plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207966823U true CN207966823U (en) | 2018-10-12 |
Family
ID=63736488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820177200.8U Active CN207966823U (en) | 2018-02-01 | 2018-02-01 | The novel dismountable low pressure isolation switch for changing safety plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207966823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108305812A (en) * | 2018-02-01 | 2018-07-20 | 贵州电网有限责任公司 | The novel dismountable low pressure isolation switch for changing safety plate |
-
2018
- 2018-02-01 CN CN201820177200.8U patent/CN207966823U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108305812A (en) * | 2018-02-01 | 2018-07-20 | 贵州电网有限责任公司 | The novel dismountable low pressure isolation switch for changing safety plate |
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