CN208127009U - A kind of one or two fusion Current Transformers of on-pole switch - Google Patents
A kind of one or two fusion Current Transformers of on-pole switch Download PDFInfo
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- CN208127009U CN208127009U CN201820462748.7U CN201820462748U CN208127009U CN 208127009 U CN208127009 U CN 208127009U CN 201820462748 U CN201820462748 U CN 201820462748U CN 208127009 U CN208127009 U CN 208127009U
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- silicon rubber
- pole switch
- current transformers
- external insulation
- fusion current
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Abstract
The utility model embodiment provides a kind of one or two fusion Current Transformers of on-pole switch, including：Silicon rubber external insulation shell, liquid silica gel interior insulation body, iron core and secondary winding, the secondary winding is uniformly wound on the iron core, form two sub-cells, two sub-cell is placed in the silicon rubber external insulation shell, liquid silastic vacuum encapsulation is used between the silicon rubber external insulation shell and two sub-cell, the liquid silica gel interior insulation body is formed, there are the conducting wire cable-through holes designed according to on-pole switch primary conductive bar outer diameter for the silicon rubber external insulation casing center position.The utility model embodiment makes silicon rubber external insulation shell using silicon rubber, and technique production is simple, and insulation thickness is consistent, stable and reliable for performance, shortens the production cycle, reduces energy consumption, low-carbon environment-friendly；Encapsulating liquid silastic and the silicon rubber external insulation shell being fabricated to are same type of material, and it is not in air gap that the two compatibility is good, effectively solve the problems, such as shelf depreciation.
Description
Technical field
The utility model embodiment is related to the electrical detection technique field of electric system, on-pole switch one or two times specially a kind of
Merge Current Transformer.
Background technique
With the construction of smart grid, the mutual inductor as smart grid important component should fully demonstrate " low-carbon,
The characteristics of energy conservation and environmental protection, stable and reliable for performance and miniaturization " and demand, use is environmentally protective, function admirable insulating materials makes
Current transformer, voltage transformer etc. also therefore come into being, to guarantee that above equipment electric property is reliable and stable, energy-saving ring
It protects, it is necessary to the problem of resolving insulation processing in mutual inductor manufacturing process.Currently, the production side of outdoor high-voltage mutual inductor major insulation
Formula is mainly the following：Encapsulating mutual inductor body is poured using epoxide resin vacuum, interior insulation pour mass is made, in interior insulation
The mode of pour mass outer encapsulating silicon rubber insulation sheath；The side of encapsulating mutual inductor body is poured using outdoor epoxide resin vacuum
Formula；Insulation crust is fabricated to using silicon rubber, vacuum encapsulation epoxy resin, silicon rubber after mutual inductor body is put into insulation crust
Cover the mode of bonding.
Although above-mentioned several method solve to a certain extent the UV resistant of outdoor mutual inductor, anti-aging, hydrophobicity,
Miniaturization issues, but exist as following drawbacks：Epoxy resin poured body outsourcing silicon rubber, the silicon rubber of outsourcing is generally on the left side 3-5mm
Breakage of easily colliding in installation process is transported there are the ageing-resistant service life is short in the right side, so that epoxy resin is leaked outside aging, product is caused to run
The problem of lost of life；Outdoor epoxide resin vacuum casting encapsulating mutual inductor, there are when ultraviolet radiation, product surface will appear
Coarse aging phenomenon causes product surface hydrophobicity to decline, temperature change sharply when be also easy to produce cracking, dielectric strength reduction, very
To the problem of insulation breakdown occurs；Using silicon rubber insulation sheath vacuum encapsulation epoxy resin, silicon rubber is covered made of bonding
Mutual inductor, it is bad in conjunction with silicon rubber that there are epoxy resin, gap occurs, causes the problem that partial discharge quantity is big.
Utility model content
To solve the above-mentioned problems of the prior art, the utility model embodiment provides a kind of on-pole switch one or two times and melts
Share current transformer.
The utility model embodiment provides a kind of one or two fusion Current Transformers of on-pole switch, including：Outside silicon rubber
Insulation shell, liquid silica gel interior insulation body, iron core and secondary winding, the secondary winding are uniformly wound on the iron core, shape
At two sub-cells, two sub-cell is placed in the silicon rubber external insulation shell, the silicon rubber external insulation shell and institute
It states between two sub-cells using liquid silastic vacuum encapsulation, forms the liquid silica gel interior insulation body, it is exhausted outside the silicon rubber
There are a conducting wire cable-through holes for edge casing center position, and a conducting wire cable-through hole is according to on-pole switch primary conductive bar outer diameter
Design, one or two fusion Current Transformers of on-pole switch are sleeved on outside the on-pole switch primary conductive bar.
Further, a conducting wire cable-through hole is provided with shielding grading ring, and the shielding grading ring sets fusion and exists
The inner wall of conducting wire cable-through hole.
Further, the material of the shielding grading ring is conductor or semiconductor.
Further, the shielding grading ring is made using conductive rubber, copper mesh or aluminium net.
Further, the material of the silicon rubber external insulation shell uses heat vulcanized silicone rubber.
Further, the heat vulcanized silicone rubber includes dimethyl silicone rubber, the dilute base silicon rubber of methyl second, the dilute base of methyl second
Phenyl siloxane rubber or the dilute base trifluoro propyl silicon rubber of methyl second.
Further, the material of the liquid silica gel interior insulation body uses addition vulcanization type silicon rubber.
Further, the material of the iron core uses cold rolled silicon steel band, amorphous alloy or permalloy.
Further, the secondary wiring exit of the silicon rubber external insulation shell has outwardly extending insulation tower group,
The insulation tower group is inserted with secondary wiring conduit.
Further, the secondary wiring conduit is telescopic secondary wiring conduit.
The utility model embodiment makes silicon rubber external insulation shell using silicon rubber, and technique production is simple, insulation thickness
Unanimously, stable and reliable for performance, shorten the production cycle, reduces energy consumption, low-carbon environment-friendly；Encapsulating liquid silastic and the silicon being fabricated to
Rubber external insulation shell is same type of material, and the two compatibility is good, is not in air gap, can effectively solve the problems, such as shelf depreciation.
Detailed description of the invention
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 this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is that the facing structure of on-pole switch one or two times provided by the embodiment of the utility model fusion Current Transformers is shown
It is intended to；
Fig. 2 is that the plan structure of on-pole switch one or two times provided by the embodiment of the utility model fusion Current Transformers is shown
It is intended to；
Fig. 3 is the A-A schematic cross-sectional view in Fig. 1；
1- silicon rubber external insulation shell；2- liquid silica gel interior insulation body；3- iron core；
4- secondary winding；5- shields grading ring；6- secondary wiring conduit.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical solutions in the embodiments of the present invention are clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on can understanding as the case may be
State the concrete meaning of term in the present invention.
Fig. 1 is that the facing structure of on-pole switch one or two times provided by the embodiment of the utility model fusion Current Transformers is shown
It is intended to；Fig. 2 is the plan structure signal of on-pole switch one or two times provided by the embodiment of the utility model fusion Current Transformers
Figure；Fig. 3 is the A-A schematic cross-sectional view in Fig. 1.As shown in Figure 1, Figure 2, Figure 3 shows, on column provided by the embodiment of the utility model
One or two fusion Current Transformers of switch, including silicon rubber external insulation shell 1, liquid silica gel interior insulation body 2, iron core 3 and two
Secondary winding 4, the secondary winding 4 are uniformly wound on the iron core 3, form two sub-cells, and two sub-cell is placed on institute
It states in silicon rubber external insulation shell 1, it is true using liquid silastic between the silicon rubber external insulation shell 1 and two sub-cell
Empty encapsulating forms the liquid silica gel interior insulation body 2, and there are a conducting wire mistakes for 1 center of silicon rubber external insulation shell
String holes, a conducting wire cable-through hole are designed according to on-pole switch primary conductive bar outer diameter, one or two fusion electricity consumptions of on-pole switch
Current transformer is sleeved on outside the on-pole switch primary conductive bar.
The utility model embodiment makes silicon rubber external insulation shell using silicon rubber, and technique production is simple, insulation thickness
Unanimously, stable and reliable for performance, shorten the production cycle, reduces energy consumption, low-carbon environment-friendly；Encapsulating liquid silastic and the silicon being fabricated to
Rubber external insulation shell is same type of material, and the two compatibility is good, is not in air gap, can effectively solve the problems, such as shelf depreciation.
Further, based on the above embodiment, a conducting wire cable-through hole is provided with shielding grading ring 5, the shielding
Grading ring 5 sets fusion in the inner wall of a conducting wire cable-through hole.The shielding grading ring 5 can play shielding and uniformly electricity
The effect of field, can further decrease partial discharge quantity, to further improve electric property.
Further, based on the above embodiment, the material of the shielding grading ring 5 is conductor or semiconductor.
Further, based on the above embodiment, the shielding grading ring 5 using conductive rubber, copper mesh or aluminium net production and
At.
Further, based on the above embodiment, the material of the silicon rubber external insulation shell 1 uses heat vulcanized silicone rubber.
Further, based on the above embodiment, the heat vulcanized silicone rubber includes dimethyl silicone rubber, the dilute base silicon of methyl second
The dilute base phenyl siloxane rubber of rubber, methyl second or the dilute base trifluoro propyl silicon rubber of methyl second.
Further, based on the above embodiment, the material of the liquid silica gel interior insulation body 2 uses addition vulcanization type silicon rubber
Glue.
Further, based on the above embodiment, the material of the iron core 3 uses cold rolled silicon steel band, amorphous alloy or slope
Not alloy.
Further, based on the above embodiment, the secondary wiring exit of the silicon rubber external insulation shell 1 has outside
The insulation tower group of extension, prevents from discharging；The insulation tower group is inserted with secondary wiring conduit 6, the convenient guidance to secondary wiring.
Further, based on the above embodiment, the secondary wiring conduit 6 is telescopic secondary wiring conduit, described
Secondary wiring conduit 6 is telescopic tube, is adapted to the on-pole switch of different model.
The utility model embodiment makes silicon rubber external insulation shell using silicon rubber, and technique production is simple, insulation thickness
Unanimously, stable and reliable for performance, shorten the production cycle, reduces energy consumption, low-carbon environment-friendly；Encapsulating liquid silastic and the silicon being fabricated to
Rubber external insulation shell is same type of material, and the two compatibility is good, is not in air gap, can effectively solve the problems, such as shelf depreciation.
Finally it should be noted that：Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that：
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (10)
1. a kind of one or two fusion Current Transformers of on-pole switch, which is characterized in that including：Silicon rubber external insulation shell, liquid
Body silica gel interior insulation body, iron core and secondary winding, the secondary winding are uniformly wound on the iron core, form two sub-cells,
Two sub-cell is placed in the silicon rubber external insulation shell, the silicon rubber external insulation shell and two sub-cell it
Between use liquid silastic vacuum encapsulation, form the liquid silica gel interior insulation body, the silicon rubber external insulation casing center position
It sets there are a conducting wire cable-through hole, a conducting wire cable-through hole is designed according to on-pole switch primary conductive bar outer diameter, is opened on column
One or two fusion Current Transformers are closed to be sleeved on outside the on-pole switch primary conductive bar.
2. one or two fusion Current Transformers of on-pole switch according to claim 1, which is characterized in that described once to lead
Line cable-through hole is provided with shielding grading ring, and the shielding grading ring sets fusion in the inner wall of a conducting wire cable-through hole.
3. one or two fusion Current Transformers of on-pole switch according to claim 2, which is characterized in that the shielding is equal
The material of pressure ring is conductor or semiconductor.
4. one or two fusion Current Transformers of on-pole switch according to claim 3, which is characterized in that the shielding is equal
Pressure ring is made using conductive rubber, copper mesh or aluminium net.
5. one or two fusion Current Transformers of on-pole switch according to claim 1, which is characterized in that the silicon rubber
The material of external insulation shell uses heat vulcanized silicone rubber.
6. one or two fusion Current Transformers of on-pole switch according to claim 5, which is characterized in that the heat cure
Silicon rubber includes dimethyl silicone rubber, the dilute base silicon rubber of methyl second, the dilute base phenyl siloxane rubber of methyl second or the dilute base trifluoro of methyl second
Propyl silicon rubber.
7. one or two fusion Current Transformers of on-pole switch according to claim 1, which is characterized in that the liquid silicon
The material of glue interior insulation body uses and is processed into vulcanization type silicon rubber.
8. one or two fusion Current Transformers of on-pole switch according to claim 1, which is characterized in that the iron core
Material uses cold rolled silicon steel band, amorphous alloy or permalloy.
9. one or two fusion Current Transformers of on-pole switch according to claim 1, which is characterized in that the silicon rubber
The secondary wiring exit of external insulation shell has outwardly extending insulation tower group, and the insulation tower group is inserted with secondary wiring and leads
Pipe.
10. one or two fusion Current Transformers of on-pole switch according to claim 1, which is characterized in that described secondary
Wire conduit is telescopic secondary wiring conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820462748.7U CN208127009U (en) | 2018-04-03 | 2018-04-03 | A kind of one or two fusion Current Transformers of on-pole switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820462748.7U CN208127009U (en) | 2018-04-03 | 2018-04-03 | A kind of one or two fusion Current Transformers of on-pole switch |
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| CN208127009U true CN208127009U (en) | 2018-11-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687313A (en) * | 2018-12-26 | 2019-04-26 | 环欧电气有限公司 | It is fused into lantern ring net cage one or two times |
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2018
- 2018-04-03 CN CN201820462748.7U patent/CN208127009U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687313A (en) * | 2018-12-26 | 2019-04-26 | 环欧电气有限公司 | It is fused into lantern ring net cage one or two times |
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