CN216014969U - Epoxy resin composite lightning arrester - Google Patents
Epoxy resin composite lightning arrester Download PDFInfo
- Publication number
- CN216014969U CN216014969U CN202122072763.5U CN202122072763U CN216014969U CN 216014969 U CN216014969 U CN 216014969U CN 202122072763 U CN202122072763 U CN 202122072763U CN 216014969 U CN216014969 U CN 216014969U
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- China
- Prior art keywords
- silicon rubber
- epoxy resin
- core
- outer side
- glass fiber
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- 239000003822 epoxy resin Substances 0.000 title claims abstract description 23
- 229920000647 polyepoxide Polymers 0.000 title claims abstract description 23
- 239000002131 composite material Substances 0.000 title claims description 6
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 30
- 239000003365 glass fiber Substances 0.000 claims abstract description 20
- 150000002466 imines Chemical class 0.000 claims abstract description 12
- 239000004593 Epoxy Substances 0.000 claims abstract description 10
- 239000004744 fabric Substances 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 6
- 239000011347 resin Substances 0.000 claims abstract description 6
- 150000001875 compounds Chemical class 0.000 claims abstract description 3
- 239000000047 product Substances 0.000 description 7
- 238000009422 external insulation Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 2
- 238000010125 resin casting Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009421 internal insulation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The utility model relates to an epoxy compound arrester, include the core in the silicon rubber overcoat and locating the silicon rubber overcoat, the core includes last electrode, insulating pad, adjustment cushion, resistance card and the bottom electrode that sets gradually by last to bottom, the core outside is equipped with the imine sticky tape, the imine sticky tape outside is equipped with soaks resin glass fiber strap, its characterized in that: an epoxy resin pouring layer is arranged on the outer side of the resin-impregnated glass fiber cloth belt, and a silicon rubber jacket is arranged on the outer side of the epoxy resin pouring layer. The utility model discloses possess excellent leakproofness, weatherability and mechanical characteristic, adaptable most special environment uses, even under rugged environment, still can guarantee the steady operation.
Description
Technical Field
The utility model relates to an epoxy compound arrester.
Background
The lightning arrester is an important electrical element for protecting transmission lines and equipment, and is required to have excellent current capacity, excellent mechanical strength and stability in operation under various severe natural conditions, SMC is adopted as an internal mechanical supporting component in the lightning arrester core in the prior art, the mechanical strength is poor, external transverse and longitudinal mechanical force is applied, internal cracks of a product are easily caused, partial discharge inside the product is caused, and the product is finally damaged, the SMC is easy to absorb moisture after being exposed in the air, the internal insulation strength is reduced after moisture absorption, leakage current is easily increased, and internal breakdown of the product is finally caused.
In order to solve the above problems, some new lightning arrester structures appear in the prior art, for example, in the Chinese utility model patent with the publication number of CN211016659U, a lightning arrester with a core body wrapped by resin impregnated in glass fiber cloth tape is disclosed, which changes the original SMC pressing core body mode into the glass fiber cloth tape resin impregnated winding mode, ensures the mechanical strength of the lightning arrester, and after changing the structure, the core body diameter becomes small, the jacket thickness can be increased, and ensures the sealing characteristic and weather-proof characteristic of the product, in addition, the outer layer of the resistance sheet is wrapped by imine adhesive tape, so as to ensure that external moisture can not permeate into the resistance sheet, and in the Chinese utility model patent with the publication number of CN214012652U, an injection-molded integrated lightning arrester is disclosed, which is an improvement of the structure of the previous patent, wherein an upper stud bolt and a lower stud bolt are respectively installed on a corresponding electrode to form a whole with the core body, and then the injection molding of a silicone rubber jacket is carried out, the production efficiency is improved.
However, in practical use, the lightning arrester is found to be too harsh in application environment in many times, once the silicon rubber outer sleeve is damaged, internal elements can be directly affected, and potential safety hazards are generated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an epoxy composite arrester possesses excellent leakproofness, weatherability and mechanical characteristic, and adaptable most special environment uses, even under rugged environment, still can guarantee the steady operation.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides an epoxy composite arrester, includes the silicon rubber overcoat and locates the core in the silicon rubber overcoat, the core includes last electrode, insulating pad, adjustment cushion, resistance card and bottom electrode by last to setting gradually down, the core outside is equipped with the imine sticky tape, the imine sticky tape outside is equipped with soaks resin glass fiber strap, it is equipped with the epoxy resin pouring layer to soak the resin glass fiber strap outside, the epoxy resin pouring layer outside is equipped with the silicon rubber overcoat.
The epoxy resin pouring layer outside is equipped with the bellying, the silicon rubber overcoat outside is equipped with the full skirt, just the bellying with the full skirt one-to-one.
The upper electrode is connected with an upper stud bolt, the lower electrode is connected with a lower stud bolt, and in addition, the upper end of the silicon rubber jacket is provided with a low-voltage outlet terminal connected with the adjusting cushion block.
The utility model discloses an advantage does with positive effect:
1. the utility model discloses use resin-impregnated glass fiber strap and epoxy resin pouring layer as the inside load structure of arrester jointly, mechanical strength is high, and even the silicon rubber overcoat is impaired, still can provide good inside dielectric strength, protect the internal element not punctured, and epoxy has good heat resistance, thermal diffusivity and thermal flexibility, when the inevitable trouble takes place for the product, can carry out energy release and do not produce fiercely cracked, its excellent leakproofness, the special environment of adaptable overwhelming majority of weatherability and mechanical properties is used, even under rugged environment, still can guarantee the steady operation.
2. The utility model discloses convenient production, wherein the epoxy after the pouring is the shaping immediately, when the preparation external insulation, need not to carry out high temperature stoving solidification treatment, only need preheat and just can carry out the external insulation preparation, it is laborsaving to save trouble, safe and reliable.
3. The utility model discloses design the bellying according to the silicon rubber overcoat full skirt condition at epoxy pouring layer periphery, increased its bonding area with the silicon rubber overcoat for it is more reliable to bond between overcoat and the core.
Drawings
Figure 1 is a schematic structural diagram of the present invention,
fig. 2 is an enlarged view of a portion a in fig. 1.
The electric connector comprises a shell, a lower stud bolt, an upper electrode, an insulating pad, a low-voltage wire outlet terminal, an adjusting cushion block, an imine adhesive tape, a resin-impregnated glass fiber cloth tape, an epoxy resin pouring layer, a protruding portion 801, a silicon rubber jacket 9, an umbrella skirt 901, a resistor disc 10, a lower electrode 11 and a lower stud bolt 12, wherein the stud bolt 1 is an upper stud bolt, the upper electrode 2 is an upper electrode, the insulating pad 3 is an insulating pad, the low-voltage wire outlet terminal 4 is a low-voltage wire outlet terminal, the adjusting cushion block 6 is an imine adhesive tape, the resin-impregnated glass fiber cloth tape 7 is a resin-impregnated glass fiber cloth tape, the epoxy resin pouring layer 8 is an epoxy resin pouring layer, the protruding portion 801 is a protruding portion, the silicon rubber jacket 9 is a silicon rubber jacket, the umbrella skirt is a resistor disc 10, the lower electrode 11 is a lower stud bolt, and the lower stud bolt is a lower stud bolt 12.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, the utility model discloses a core in silicon rubber overcoat 9 and the silicon rubber overcoat 9 of locating, the core includes by last electrode 2, insulating pad 3, adjustment cushion 5, resistance card 10 and bottom electrode 11 that set gradually under to, the core outside is equipped with imine sticky tape 6, the 6 outsides of imine sticky tape are equipped with resin-impregnated glass fiber strap 7, in this embodiment, resin-impregnated glass fiber strap 7 is resin-impregnated alkali-free and wax-free glass fiber strap, resin-impregnated glass fiber strap 7 outside is equipped with epoxy resin casting bed 8, the 8 outsides of epoxy resin casting bed are equipped with silicon rubber overcoat 9.
As shown in fig. 2, a protruding portion 801 is arranged on the outer side of the epoxy resin pouring layer 8, an umbrella skirt 901 is arranged on the outer side of the silicone rubber jacket 9, and the protruding portion 801 and the umbrella skirt 901 correspond to each other one to one.
As shown in fig. 1, the upper electrode 2 is connected with an upper stud bolt 1, the lower electrode 11 is connected with a lower stud bolt 12, and in addition, the upper end of the silicone rubber jacket 9 is provided with a low-voltage outlet terminal 4 connected with the adjusting cushion block 5.
In this embodiment, insulating pad 3 is the insulating porcelain pad, adjustment cushion 5 is the aluminium adjustment cushion, resistance card 7 is the metal oxide resistance card, last electrode 2 in the core, insulating pad 3, adjustment cushion 5, resistance card 10 and lower electrode 11 establish ties in proper order after, use the whole winding of imine sticky tape 6 earlier, then use resin-impregnated glass fiber strap 7 winding fixed.
The utility model discloses a theory of operation does:
the utility model discloses increased epoxy resin pouring layer 8 between resin-impregnated glass fiber strap 7 and silicon rubber overcoat 9, use resin-impregnated glass fiber strap 7 and epoxy resin pouring layer 8 as the inside load structure of arrester jointly, mechanical strength is high, can bear simultaneously transversely, vertical mechanical force and do not produce the damage, epoxy resin pours into resin-impregnated glass fiber strap 7 outside, good sealing performance has again when being as the load part, and even silicon rubber overcoat 9 is impaired, still can provide good inside dielectric strength, protect the internal element not to puncture, and epoxy resin has good heat resistance, thermal diffusivity and thermal flexibility, when the inevitable trouble takes place in the product, can carry out energy release and do not produce violent fragmentation, its excellent leakproofness, weatherability and the adaptable special environment of most of mechanical properties use, even under a severe environment, stable operation can still be ensured.
In addition the utility model discloses also convenient production, wherein the epoxy after the pouring is the shaping immediately, when the preparation external insulation, need not to carry out high temperature stoving solidification treatment, only need preheat and just can carry out the external insulation preparation, it is laborsaving to save trouble, safe and reliable to epoxy pouring layer 8 is peripheral to have designed bellying 801 according to the 9 full skirt circumstances of silicon rubber overcoat, has increased its and the bonding area of silicon rubber overcoat 9, makes to bond more reliably between overcoat and the core.
Claims (3)
1. The utility model provides an epoxy compound arrester, includes the silicon rubber overcoat and locates the core in the silicon rubber overcoat, the core includes by last electrode, insulating pad, adjustment cushion, resistance card and the bottom electrode that sets gradually under to, the core outside is equipped with the imine sticky tape, the imine sticky tape outside is equipped with soaks resin glass fiber strap, its characterized in that: an epoxy resin pouring layer (8) is arranged on the outer side of the resin-impregnated glass fiber cloth belt (7), and a silicon rubber sleeve (9) is arranged on the outer side of the epoxy resin pouring layer (8).
2. The epoxy resin composite arrester of claim 1, characterized in that: the outer side of the epoxy resin pouring layer (8) is provided with a protruding portion (801), the outer side of the silicon rubber jacket (9) is provided with an umbrella skirt (901), and the protruding portion (801) corresponds to the umbrella skirt (901) in a one-to-one mode.
3. The epoxy resin composite arrester of claim 1, characterized in that: the upper electrode (2) is connected with an upper stud bolt (1), the lower electrode (11) is connected with a lower stud bolt (12), and in addition, the upper end of the silicon rubber jacket (9) is provided with a low-voltage outlet terminal (4) connected with the adjusting cushion block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122072763.5U CN216014969U (en) | 2021-08-31 | 2021-08-31 | Epoxy resin composite lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122072763.5U CN216014969U (en) | 2021-08-31 | 2021-08-31 | Epoxy resin composite lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216014969U true CN216014969U (en) | 2022-03-11 |
Family
ID=80532136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122072763.5U Active CN216014969U (en) | 2021-08-31 | 2021-08-31 | Epoxy resin composite lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216014969U (en) |
-
2021
- 2021-08-31 CN CN202122072763.5U patent/CN216014969U/en active Active
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