CN212136084U - Insulating cold shrink pipe for transformer - Google Patents
Insulating cold shrink pipe for transformer Download PDFInfo
- Publication number
- CN212136084U CN212136084U CN202021198779.XU CN202021198779U CN212136084U CN 212136084 U CN212136084 U CN 212136084U CN 202021198779 U CN202021198779 U CN 202021198779U CN 212136084 U CN212136084 U CN 212136084U
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- CN
- China
- Prior art keywords
- insulating
- layer
- waterproof
- aging
- silica gel
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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.)
- Expired - Fee Related
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000000741 silica gel Substances 0.000 claims abstract description 36
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 36
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 35
- 239000004033 plastic Substances 0.000 claims abstract description 25
- 229920003023 plastic Polymers 0.000 claims abstract description 25
- 238000010276 construction Methods 0.000 claims abstract 2
- 230000003014 reinforcing effect Effects 0.000 claims description 30
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 11
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 description 6
- 230000004224 protection Effects 0.000 description 5
- 230000006750 UV protection Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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Abstract
The utility model discloses an insulating cold shrink pipe for transformer, including insulating layer, anti-aging layer, waterproof layer and high strength plastic spiral pipe, the outside of high strength plastic spiral pipe is provided with the insulating layer, the inside of insulating layer is provided with insulating silica gel, the outside of insulating layer is provided with anti-aging layer, anti-aging layer's inside is provided with anti-aging structure, anti-aging layer's outside is provided with the waterproof layer, the inside of waterproof layer is provided with waterproof construction, the bottom of high strength plastic spiral pipe one end is provided with the pull ring. The utility model discloses a be provided with insulating silica gel and insulating layer, insulating silica gel can make the cold shrink pipe still under high-tension current with the contact of transformer cable but the non-conducting, operating personnel is difficult when outdoor inspection, maintenance, dismouting to take place harm because of the electric shock, also can prevent that the output of transformer cable, input and nature in the current contact suffer the damage, strengthened insulating nature.
Description
Technical Field
The utility model relates to a shrinkage pipe technical field specifically is an insulating cold shrink pipe for transformer.
Background
For the cable joint of avoiding all kinds of electrical apparatus exposes and leads to the electric leakage outside, use cold shrink pipe or pyrocondensation pipe to protect it usually, the cold shrink pipe uses elastic material to make, inside expands the support through setting up, compresses tightly the outside protection part at all kinds of cables during the use, in the production life, the application of cold shrink pipe is not as extensive as pyrocondensation pipe, and the cost is also lower, but its biggest advantage is need not to heat, installation easy operation is swift, is fit for outdoor use.
In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:
(1) the traditional cold-shrinkable tube for the transformer has insufficient waterproofness and is easy to corrode and damage;
(2) the traditional cold-shrinkable tube for the transformer has insufficient ultraviolet resistance and is easy to age;
(3) the traditional cold-shrinkable tube for the transformer has insufficient insulativity under high-temperature and high-voltage current and is easy to leak current.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an insulating cold shrink pipe for transformer to provide waterproof nature not enough, the ultraviolet protection ability not enough and the insulating not enough problem in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an insulating cold shrink pipe for transformer, includes insulating layer, anti-aging layer, waterproof layer and high strength plastics spiral pipe, the outside of high strength plastics spiral pipe is provided with the insulating layer, the inside of insulating layer is provided with insulating silica gel, the outside of insulating layer is provided with anti-aging layer, anti-aging layer's inside is provided with anti-aging structure, anti-aging layer's outside is provided with the waterproof layer, the inside of waterproof layer is provided with waterproof structure, the bottom of high strength plastics spiral pipe one end is provided with the pull ring.
Preferably, the anti-aging layer and the waterproof layer are the same in thickness, and the insulating layer, the anti-aging layer and the waterproof layer are connected through an adhesive.
Preferably, the insulating silica gel is tightly sleeved outside the high-strength plastic spiral pipe through self-expansion property, and the high-strength plastic spiral pipe is sleeved inside the insulating silica gel in a spiral shape.
Preferably, the inside of anti-aging structure comprises pore silica gel, second inside groove, soft silk filter screen and anti ultraviolet agent, pore silica gel sets up the inside at anti-aging layer, the inside of pore silica gel evenly is provided with the second inside groove, the inside of second inside groove all is provided with soft silk filter screen, the inside of soft silk filter screen all is provided with anti ultraviolet agent.
Preferably, the inside of the waterproof structure is composed of waterproof daub, a third inner groove, reinforcing grooves and reinforcing blocks, the waterproof daub is arranged at the top end and the bottom end of the waterproof layer, the third inner groove is arranged between the waterproof daub, the reinforcing grooves are arranged inside the third inner groove, and the reinforcing blocks are arranged inside the reinforcing grooves.
Preferably, the lengths of the waterproof daub and the insulating silica gel are the same, and the length of the high-strength plastic spiral pipe is greater than the lengths of the waterproof daub and the insulating silica gel.
Preferably, the reinforcing blocks are equal in size, and are arranged at equal intervals inside the reinforcing groove.
Compared with the prior art, the beneficial effects of the utility model are that: the insulating cold-shrink tube for the transformer realizes double-layer water resistance, enhances the ultraviolet resistance and enhances the insulativity;
(1) the waterproof daub is provided with double layers in the waterproof layer, the reinforcing groove is formed in the third inner groove, and the reinforcing block is arranged in the reinforcing groove;
(2) by arranging the fine-hole silica gel, the second inner groove, the soft wire filter screen and the ultraviolet-proof agent, when the ultraviolet-proof device is used outdoors, long waves in ultraviolet rays can easily penetrate through the cold-shrink tube to cause damage, and the ultraviolet-proof agent can absorb the ultraviolet rays, so that the ultraviolet-proof device is stronger in protection and prevents aging;
(3) through being provided with insulating silica gel and insulating layer, insulating silica gel can make the cold shrink pipe still under high-voltage current with the contact of transformer cable but the non-conducting, operating personnel is difficult for taking place harm because of the electric shock when outdoor inspection, maintenance, dismouting, also can prevent that output, input and the nature of transformer cable from well the current contact suffer the damage, has strengthened insulating nature.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the side view cross-sectional structure of the insulating silica gel of the present invention;
FIG. 3 is a schematic side view of the aging-proof structure of the present invention;
fig. 4 is a schematic side view of the waterproof structure of the present invention;
fig. 5 is a schematic side view of the high-strength plastic spiral pipe of the present invention.
In the figure: 1. an insulating layer; 2. an anti-aging layer; 3. a waterproof layer; 4. a high-strength plastic spiral pipe; 5. a pull ring; 6. insulating silica gel; 7. an anti-aging structure; 701. fine porous silica gel; 702. a second inner tank; 703. a soft silk screen; 704. an anti-ultraviolet agent; 8. a waterproof structure; 801. waterproof daub; 802. a third inner tank; 803. a reinforcing groove; 804. and a reinforcing block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: an insulating cold shrinkage pipe for a transformer comprises an insulating layer 1, an anti-aging layer 2, a waterproof layer 3 and a high-strength plastic spiral pipe 4, wherein the insulating layer 1 is arranged outside the high-strength plastic spiral pipe 4, and insulating silica gel 6 is arranged inside the insulating layer 1;
the insulating silica gel 6 is tightly sleeved outside the high-strength plastic spiral pipe 4 through self expansion property, and the high-strength plastic spiral pipe 4 is sleeved inside the insulating silica gel 6 in a spiral shape;
specifically, as shown in fig. 1 and 2, when in use, the insulating silica gel 6 can make the cold shrink tube still contact with the transformer cable but not conduct under high-voltage current, so that an operator is not easy to be damaged by electric shock when checking, maintaining and dismounting outdoors, and the output end and the input end of the transformer cable can be prevented from being damaged by the contact with current in nature, thereby enhancing the insulating property;
an anti-aging layer 2 is arranged outside the insulating layer 1, and an anti-aging structure 7 is arranged inside the anti-aging layer 2;
the anti-aging structure 7 is internally composed of a fine-pore silica gel 701, a second inner groove 702, a soft wire filter screen 703 and an anti-ultraviolet agent 704, the fine-pore silica gel 701 is arranged inside the anti-aging layer 2, the second inner groove 702 is uniformly arranged inside the fine-pore silica gel 701, the soft wire filter screen 703 is arranged inside the second inner groove 702, and the anti-ultraviolet agent 704 is arranged inside the soft wire filter screen 703;
specifically, as shown in fig. 1 and 3, when the cold-shrink tube is used outdoors, long waves in ultraviolet rays easily penetrate through the cold-shrink tube to cause damage, and the ultraviolet-proof agent 704 can absorb the ultraviolet rays, so that the cold-shrink tube is more protective and is prevented from aging;
a waterproof layer 3 is arranged outside the anti-aging layer 2;
the thicknesses of the anti-aging layer 2 and the waterproof layer 3 are the same, and the insulating layer 1, the anti-aging layer 2 and the waterproof layer 3 are connected through an adhesive;
a waterproof structure 8 is arranged inside the waterproof layer 3, the waterproof structure 8 is composed of waterproof daub 801, a third inner groove 802, reinforcing grooves 803 and reinforcing blocks 804, the waterproof daub 801 is arranged at the top end and the bottom end of the waterproof layer 3, the third inner grooves 802 are arranged between the waterproof daub 801, the reinforcing grooves 803 are arranged inside the third inner grooves 802, and the reinforcing blocks 804 are arranged inside the reinforcing grooves 803;
the lengths of the waterproof daub 801 and the insulating silica gel 6 are the same, and the length of the high-strength plastic spiral pipe 4 is larger than that of the waterproof daub 801 and the insulating silica gel 6;
the reinforcing blocks 804 are equal in size, and the reinforcing blocks 804 are arranged at equal intervals inside the reinforcing grooves 803;
specifically, as shown in fig. 1 and 4, when external pressure or impact is applied to the structure, if the outer waterproof daub 801 is damaged, the reinforcing groove 803 can play a role of reinforcing and protecting, and the inner waterproof daub 801 can still be protected to play a role of double-layer waterproofing.
The working principle is as follows: the utility model discloses when using, at first, with the transformer cable joint department that the shrinkage tube box protected needs, it takes high strength plastics spiral pipe 4 hard to grasp pull ring 5, along with taking out of high strength plastics spiral pipe 4, the cover can be in the joint outside because of its self elasticity closely shrink cover at outside insulating silica gel 6, high strength plastics spiral pipe 4 is whole to be taken out, then place the completion, when receiving external pressure or impact force, if outer waterproof daub 801 damages, consolidate groove 803 and can play the effect of consolidating the protection, protection inlayer waterproof daub 801 still can act on, play double-deck waterproof effect.
Later, when the outdoor use, long wave in the ultraviolet ray easily pierces through the cold-shrink tube and causes the damage, and ultraviolet inhibitor 704 can absorb the ultraviolet ray, and the protectiveness is stronger, prevents ageing.
Finally, insulating silica gel 6 can make the shrinkage pipe still not conduct with transformer cable contact under high-voltage current, and operating personnel is difficult when outdoor inspection, maintenance, dismouting to take place harm because of the electric shock, also can prevent that transformer cable's output, input from suffering the damage with the current contact in nature, has strengthened insulating nature.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides an insulating cold shrink pipe for transformer, includes insulating layer (1), anti-aging layer (2), waterproof layer (3) and high strength plastics spiral pipe (4), its characterized in that: the outside of high strength plastics spiral pipe (4) is provided with insulating layer (1), the inside of insulating layer (1) is provided with insulating silica gel (6), the outside of insulating layer (1) is provided with anti-aging layer (2), the inside of anti-aging layer (2) is provided with anti-aging structure (7), the outside of anti-aging layer (2) is provided with waterproof layer (3), the inside of waterproof layer (3) is provided with waterproof construction (8), the bottom of high strength plastics spiral pipe (4) one end is provided with pull ring (5).
2. The insulating cold shrink tube for the transformer according to claim 1, wherein: the anti-aging layer (2) and the waterproof layer (3) are the same in thickness, and the insulating layer (1), the anti-aging layer (2) and the waterproof layer (3) are connected through an adhesive.
3. The insulating cold shrink tube for the transformer according to claim 1, wherein: insulating silica gel (6) closely cup joints the outside at high strength plastics spiral pipe (4) through self expansion nature, high strength plastics spiral pipe (4) cup joint the inside of insulating silica gel (6) and are the heliciform.
4. The insulating cold shrink tube for the transformer according to claim 1, wherein: the anti-aging structure (7) is characterized in that the inner part of the anti-aging structure (7) is composed of a fine-hole silica gel (701), a second inner groove (702), a soft wire filter screen (703) and an anti-ultraviolet agent (704), the fine-hole silica gel (701) is arranged in the anti-aging layer (2), the second inner groove (702) is uniformly arranged in the fine-hole silica gel (701), the soft wire filter screen (703) is arranged in the second inner groove (702), and the anti-ultraviolet agent (704) is arranged in the soft wire filter screen (703).
5. The insulating cold shrink tube for the transformer according to claim 1, wherein: the waterproof structure (8) is characterized in that the inside of the waterproof structure (8) is composed of waterproof daub (801), third inner grooves (802), reinforcing grooves (803) and reinforcing blocks (804), the waterproof daub (801) is arranged at the top end and the bottom end of the waterproof layer (3), the third inner grooves (802) are arranged between the waterproof daub (801), the reinforcing grooves (803) are arranged inside the third inner grooves (802), and the reinforcing blocks (804) are arranged inside the reinforcing grooves (803).
6. The insulating cold shrink tube for the transformer of claim 5, wherein: the length of waterproof daub (801) and insulating silica gel (6) is the same, the length of high strength plastics spiral pipe (4) is greater than waterproof daub (801) and insulating silica gel (6).
7. The insulating cold shrink tube for the transformer of claim 5, wherein: the reinforcing blocks (804) are equal in size, and the reinforcing blocks (804) are arranged in the reinforcing grooves (803) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021198779.XU CN212136084U (en) | 2020-06-24 | 2020-06-24 | Insulating cold shrink pipe for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021198779.XU CN212136084U (en) | 2020-06-24 | 2020-06-24 | Insulating cold shrink pipe for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212136084U true CN212136084U (en) | 2020-12-11 |
Family
ID=73685863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021198779.XU Expired - Fee Related CN212136084U (en) | 2020-06-24 | 2020-06-24 | Insulating cold shrink pipe for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212136084U (en) |
-
2020
- 2020-06-24 CN CN202021198779.XU patent/CN212136084U/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: 20201211 |