CN208077857U - A kind of outdoor isolation switches auxiliary contact rain shade device - Google Patents
A kind of outdoor isolation switches auxiliary contact rain shade device Download PDFInfo
- Publication number
- CN208077857U CN208077857U CN201820216848.1U CN201820216848U CN208077857U CN 208077857 U CN208077857 U CN 208077857U CN 201820216848 U CN201820216848 U CN 201820216848U CN 208077857 U CN208077857 U CN 208077857U
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- China
- Prior art keywords
- cap
- rain
- auxiliary contact
- interior
- shade device
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- 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.)
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Abstract
The utility model provides a kind of outdoor isolation switches auxiliary contact rain shade device, belongs to electric system electrical equipment protection technology field.It includes shading rain cap and rain cover skirt, the shading rain cap includes interior cap and outer cap, multiple holes are arranged in the outer crown portion, the interior cap is the cap body of cylindrical hot shortness's polyolefine material, the interior cap is set in the outer cap, annular gas permeable bag is set in the gap between the interior cap and the outer cap, quick lime exothermic mixture is housed in the annular gas permeable bag, the interior cap and the rain cover skirt are seamlessly connected.The utility model can protect influence of the rainwater to disconnecting switch auxiliary contact, rain-proof effect good.
Description
Technical field
The utility model is related to electric system electrical equipment protection technology field more particularly to a kind of outdoor isolation switches are auxiliary
Adjuvant grafting point rain shade device.
Background technology
The safe operation of outside transformer substation disconnecting switch is influenced by various aspects, wherein unit exception caused by change in weather and
It is 92.3% that failure, which accounts for annual unit exception and the probability of failure,（Trial work area whole year overhaul of the equipments account system is repaiied according to * power supply bureaus
Meter）.Transformer station direct current system earth fault accounts for 76.2% again caused by rainfall.When the transforming plant DC system caused by outdoor rainfall
It is difficult often accurately to find earth fault, or need to be lot more time to solve using the prior art and tool when earth fault of uniting
When certainly, such issues that processing, that is, time-consuming and laborious, transformer station direct current system long-time single-phase earthing, easily cause the of straight-flow system
2 ground short circuits directly threaten the safe operation of equipment according to the malfunction or tripping at running equipment.
During searching DC earthing point, find the auxiliary contact shell of outside transformer substation disconnecting switch often because oozing
Water causes internal auxiliary contact insulation reduction that transforming plant DC is caused to be grounded.It is grounded caused by this reason, searches very
Trouble, it is necessary to which the appearance for fundamentally solving such issues that shell infiltration can just prevent reduces the probability of occurrence of equipment exception.
Notification number is that the patent document of CN201620756209.5 discloses a kind of switch mechanism rain cover, and feature exists
In, its shape be the circle of tubaeform with upper opening and under shed, described upper open stirrups in disconnecting switch pivot link
It is formed on column surface and in junction and is sealed, the under shed is located on switch mechanism babinet, which is being isolated
It switchs pivot link and switch mechanism babinet junction and installs one Open Side Down tubaeform rain cover, system dc is avoided to connect
Ground, but its protection effect is to be improved.
Invention content
In view of this, the utility model in view of the deficiencies of the prior art, provide it is a kind of be capable of effective rain-proof it is outdoor every
It leaves and closes auxiliary contact rain shade device.
In order to solve the above technical problems, technical solution adopted in the utility model is：A kind of outdoor isolation switches auxiliary
Contact rain shade device, including shading rain cap and rain cover skirt, the shading rain cap include interior cap and outer cap, and the outer crown portion setting is multiple
Hole, the interior cap are the cap body of cylindrical hot shortness's polyolefine material, and the interior cap is set in the outer cap, the interior cap and
Annular gas permeable bag is set in the gap between the outer cap, quick lime exothermic mixture, the interior cap are housed in the annular gas permeable bag
It is seamlessly connected with the rain cover skirt.
Preferably, fold is set on the rain cover skirt.
Preferably, the material of the outer cap is rigid plastics, and the shape of the outer cap is cylinder or square.
Preferably, plastic seal film is set on the outer cap.
Preferably, it is coated with weather proofing sealant in the interior cap, oleophobic layer is coated on the rain cover skirt.
Compared with prior art, the beneficial effects of the utility model are as follows：
The utility model improves existing outdoor isolation switches auxiliary contact rain shade device so that its protection effect
It is further enhanced.The utility model uses inside and outside cap double-layer structure, and is equipped with quick lime between interior cap and outer cap and generates heat
Agent, meet water will produce heat so that the interior cap of hot shortness rainwater weather can even closer fitting disconnecting switch, leakproofness is more
Good, interior cap uses hot shortness's polyolefine material, can not only be shunk with heat, but also can resist ultraviolet light, effectively with the trace of resistance to electrical carbon
Disconnecting switch auxiliary contact is protected, ensures that the safe operation of disconnecting switch, quick lime exothermic mixture are placed in annular gas permeable bag, annular
Venting bags are arranged around interior cap, and interior cap can be made to be uniformly heated, and ensure the leakproofness after interior cap is shunk, interior cap and rain cover skirt
It is seamlessly connected, can prevent rainwater from penetrating into auxiliary contact shell, improve the security reliability of outdoor isolation switches auxiliary contact.
In addition, fold is arranged on rain cover skirt, the splashing degree that rainwater is fallen on can be reduced, rainwater is avoided to fly into auxiliary
In contact shell；Outer cap strip matter is rigid plastics, and rain-proof, sun-proof, anti-aging, good insulating is non-discolouring, unless damage,
Validity period limit for length；Cylindrical outer cap can be preferably mating with interior cap, easy to use, and the outer cap of square in production vanning more
It is easily contained；Sealed plastic film is set on outer cap, not yet before use, the effect of exothermic mixture can be influenced to avoid the steam in air
Fruit；It is coated with weather proofing sealant in interior cap, when interior cap heat shrinkable, even closer, water proofing property is bonded with disconnecting switch auxiliary contact
More preferably, it is coated with oleophobic layer on rain cover skirt, further decreases rainwater splashing degree, improve protection effect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment one；
Fig. 2 is the structural schematic diagram of the utility model embodiment two；
Wherein, 1- shading rain caps, 2- rain cover skirts, cap in 3-, the outer caps of 4-, the holes 5-, 6- annular gas permeable bags, 7- plastic seal films.
Specific implementation mode
The utility model in order to better understand is further fairly set out in the utility model with reference to embodiment
Hold, but the protection content of the utility model is not limited solely to the following examples.In the following description, a large amount of tools are given
The details of body more thoroughly understands in order to provide to the utility model.However, aobvious and easy to those skilled in the art
See, the utility model may not need one or more of these details and be carried out.
Embodiment one
As shown in Figure 1, a kind of outdoor isolation switches auxiliary contact rain shade device, including shading rain cap 1 and rain cover skirt 2, it is described
Shading rain cap 1 includes interior cap 3 and outer cap 4, and ten holes 5 are arranged in 4 top of the outer cap, and the interior cap 3 is that cylindrical hot shortness is poly-
The cap body of olefin material, the interior cap 3 are set in the outer cap 4, are arranged in the gap between the interior cap 3 and the outer cap 4
Annular gas permeable bag 6, the annular gas permeable bag 6 is interior to be equipped with quick lime exothermic mixture, and the interior cap 3 and the rain cover skirt 2 are seamlessly connected.
Specifically, fold is arranged on the rain cover skirt 2, the material of the outer cap 4 is rigid plastics, the shape of the outer cap 4
Shape is cylinder, and plastic seal film 7 is arranged on the outer cap 4.
It is auxiliary to be placed in disconnecting switch by the outdoor isolation switches auxiliary contact rain shade device of the utility model embodiment for interior cap 3
On adjuvant grafting point, the plastic seal film 7 being arranged on outer cap 4 is opened, 4 top of outer cap is equipped with ten holes 5, when raining, in rainwater entrance
Gap between cap 3 and outer cap 4, the quick lime exothermic mixture in annular gas permeable bag meet water and generate amount of heat, make to use hot shortness
The interior cap 3 of polyolefine material starts to shrink at, and wraps disconnecting switch auxiliary contact, and sealing water proofing property is good, moreover, interior cap 3 can be with
The trace of resistance to electrical carbon, resists ultraviolet light, and effective protection disconnecting switch auxiliary contact ensures that the safe operation of disconnecting switch, fold-type hide
Rain skirt 2 effectively prevent rainwater to enter in auxiliary contact shell, further increases protection effect.
Embodiment two
As shown in Fig. 2, a kind of outdoor isolation switches auxiliary contact rain shade device, including shading rain cap 1 and rain cover skirt 2, it is described
Shading rain cap 1 includes interior cap 3 and outer cap 4, and 12 holes 5 are arranged in 4 top of the outer cap, and the interior cap 3 is the hot shortness of cylinder
The cap body of polyolefine material, the interior cap 3 are set in the outer cap 4, are set in the gap between the interior cap 3 and the outer cap 4
Annular gas permeable bag 6 is set, quick lime exothermic mixture, 2 seamless company of the interior cap 3 and the rain cover skirt are housed in the annular gas permeable bag 6
It connects.
Specifically, the material of the outer cap 4 is rigid plastics, and rain-proof, sun-proof, durable, good insulating, the outer cap
4 shape is square, is easy to vanning storage, plastic seal film 7 is arranged on the outer cap 4, prevents exothermic mixture from failing ahead of time, institute
It states and is coated with weather proofing sealant in interior cap 3, sealing water resistance further increases, and is coated with oleophobic layer on the rain cover skirt 2, avoids rain
Fine grinding is splashed into auxiliary contact shell, improves rain-proof effect.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, this field
Other modifications or equivalent replacement that those of ordinary skill makes the technical solution of the utility model, without departing from this practicality
The spirit and scope of new technique scheme should all cover in the right of the utility model.
Claims (5)
1. a kind of outdoor isolation switches auxiliary contact rain shade device, including shading rain cap and rain cover skirt, it is characterised in that：The rain cover
Cap includes interior cap and outer cap, and multiple holes are arranged in the outer crown portion, and the interior cap is cylindrical hot shortness's polyolefine material
Cap body, the interior cap are set in the outer cap, and annular gas permeable bag is arranged in the gap between the interior cap and the outer cap, described
Quick lime exothermic mixture is housed, the interior cap and the rain cover skirt are seamlessly connected in annular gas permeable bag.
2. outdoor isolation switches auxiliary contact rain shade device as described in claim 1, it is characterised in that：It is set on the rain cover skirt
Set fold.
3. outdoor isolation switches auxiliary contact rain shade device as claimed in claim 2, it is characterised in that：The material of the outer cap
Shape for rigid plastics, the outer cap is cylinder or square.
4. outdoor isolation switches auxiliary contact rain shade device as claimed in claim 3, it is characterised in that：It is arranged on the outer cap
Plastic seal film.
5. outdoor isolation switches auxiliary contact rain shade device as claimed in claim 4, it is characterised in that：It is coated in the interior cap
Weather proofing sealant, the outer cap are coated with oleophobic layer outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820216848.1U CN208077857U (en) | 2018-02-07 | 2018-02-07 | A kind of outdoor isolation switches auxiliary contact rain shade device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820216848.1U CN208077857U (en) | 2018-02-07 | 2018-02-07 | A kind of outdoor isolation switches auxiliary contact rain shade device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208077857U true CN208077857U (en) | 2018-11-09 |
Family
ID=64037552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820216848.1U Expired - Fee Related CN208077857U (en) | 2018-02-07 | 2018-02-07 | A kind of outdoor isolation switches auxiliary contact rain shade device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208077857U (en) |
-
2018
- 2018-02-07 CN CN201820216848.1U patent/CN208077857U/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: 20181109 Termination date: 20190207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |