PE power cable protection pipe
By introducing heaters and ultraviolet absorbing plates into the power cable protection tube, the problems of insufficient bending and poor UV resistance are solved, and the bending and anti-aging performance are ensured in low temperature environments are achieved.
Patent Information
- Application Number
- CN202420383144.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-29
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-02-28
AI Technical Summary
The existing power cable protection tubes are insufficiently bending, they are prone to become brittle in low temperature environments, and have poor UV resistance.
A PE power cable protection tube is designed, including a tube and a constant temperature component. A heater and an ultraviolet absorbing plate are provided on the outer surface of the tube and a thermal copper ring and an inner shell positioning block are provided on the inner side.
Through the combination of heater and thermally conductive copper ring, the bending of the protective tube in a low temperature environment is ensured, and the UV absorbing plate enhances the UV resistance and extends the service life of the product.
Smart Images
Figure CN222601915U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of power cable protection tubes, in particular to a PE power cable protection tube. Background Art
[0002] PE power cable protection tube is a high-tech product made of high-quality high-density polyethylene resin as the main raw material, with appropriate additives added and processed by extrusion. The product has the performance characteristics of corrosion resistance, aging resistance, impact resistance, high mechanical strength, long service life, and excellent electrical insulation performance. It can be widely used in the fields of buried high-voltage cables, street light cable protection sleeves, etc. It is widely used in urban road construction, community development, garden landscape, enterprise construction and other places, as a threading sheath for cables such as electricity, street lights, lawn lights, garden lights, community intelligence, cable TV, communications, and intelligent transportation.
[0003] However, the existing power cable protection tube has insufficient curvature and tends to become brittle in low temperature environments, which can easily cause certain difficulties in construction. It is also prone to aging when exposed to sunlight and has poor anti-ultraviolet performance. Therefore, a PE power cable protection tube is proposed. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies in the prior art, the utility model provides a PE power cable protection tube, which has the advantages of being able to ensure the curvature of the protection tube at a constant temperature and being resistant to ultraviolet rays, thereby solving the problems of insufficient curvature and poor anti-ultraviolet performance.
[0006] (II) Technical solution
[0007] In order to achieve the above-mentioned purpose of ensuring the curvature of the protection tube at a constant temperature, the utility model provides the following technical solutions: a PE power cable protection tube, comprising a tube shell and a constant temperature component, wherein the outer surface of the tube shell is provided with a constant temperature component;
[0008] An inner shell is provided inside the tube shell, and a plurality of ultraviolet absorption plates are provided on the outer surface of the tube shell;
[0009] The constant temperature component comprises a heater, which is fixedly mounted on the outer surface of the tube shell in four equal parts, and a heat-conducting copper ring connected to the heater is arranged on the inner side of the tube shell.
[0010] As a preferred technical solution of the utility model, the inner wall of the inner shell is provided with four equally divided positioning blocks, the inner sides of the positioning blocks are provided with positioning slots, and the front and rear sides of the positioning slots are coated with a slip-promoting coating.
[0011] The beneficial effects of the above preferred technical solution are: the positioning block can play a certain role in bundling the wires, and the positioning slots can be used to separate the wires to prevent the power cables in the inner shell from being entangled with each other and difficult to comb out. At the same time, the slip-aiding coating makes it easy to extend the power cables into the inner shell.
[0012] As a preferred technical solution of the utility model, the ultraviolet absorption plates are distributed on the outer surface of the tube shell at intervals of 10 cm in front and back, and the outer surface of the ultraviolet absorption plates is coated with an anti-ultraviolet coating.
[0013] The beneficial effect of the above preferred technical solution is that the anti-ultraviolet coating on the surface of the ultraviolet absorption plate can effectively enhance its anti-ultraviolet performance to improve the anti-aging property of the product.
[0014] As a preferred technical solution of the utility model, a power-conducting groove is provided at the center of the heater, a heat-conducting copper column is fixedly connected to the inner side of the power-conducting groove, the heat-conducting copper column is connected to the heat-conducting copper ring, four heat-dissipating pipes are provided on the outer surface of the heater, and the tops of the power-conducting groove and the heat-dissipating pipes can be hinged with sealing covers.
[0015] The beneficial effects of the above preferred technical solution are: the heater can heat the tube shell with the help of the power-on slot, so that it can adapt to the low-temperature environment and improve the low-temperature toughness of the product. At the same time, the thermal conductive copper ring can share the overheating temperature.
[0016] As a preferred technical solution of the utility model, the heaters are distributed on the outer surface of the tube shell at a front-to-back interval of 25 cm, and the heat-conducting copper rings are distributed on the inner side of the tube shell at a front-to-back interval of 60 cm.
[0017] The beneficial effect of the above preferred technical solution is that a gap is left between the front and rear heaters and the heat-conducting copper ring to avoid mutual squeezing when they are bent, leaving a certain bending space.
[0018] As a preferred technical solution of the utility model, an anti-corrosion layer that fits the heat-conducting copper ring is fixedly installed on the inner wall of the inner shell.
[0019] The beneficial effect of the above preferred technical solution is that the anti-corrosion layer can absorb the humid environment of the inner shell and dissipate the residual heat with the help of the heat-conducting copper ring.
[0020] (III) Beneficial effects
[0021] Compared with the prior art, the utility model provides a PE power cable protection tube with the following features:
[0022] Beneficial effects:
[0023] The PE power cable protection tube can heat the tube shell by arranging a heater on the outer surface of the tube shell to avoid insufficient bending due to too low temperature. At the same time, a heat-conducting copper ring connected to the heater is provided on the inner side of the tube shell to avoid overheating and damage to the tube shell itself. An anti-ultraviolet ultraviolet absorption plate is provided next to the heater to ensure the performance and service life of the protective shell. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is a schematic diagram of the front plan structure of the utility model;
[0025] Figure 2 This is a side view of the structure of the utility model;
[0026] Figure 3 This is a schematic diagram of the positioning block structure of the utility model.
[0027] In the figure: 1. tube shell; 2. heater; 3. positioning block; 4. UV absorption plate; 5. inner shell; 6. thermal conductive copper ring; 7. anti-corrosion layer; 8. power supply slot; 9. heat dissipation pipe; 10. thermal conductive copper column; 11. positioning slot; 12. slip-aiding coating. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0029] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0031] See also Figure 1-3 A PE power cable protection tube comprises a tube shell 1 and a constant temperature component, wherein the outer surface of the tube shell 1 is provided with a constant temperature component.
[0032] An inner shell 5 is provided inside the tube shell 1 , and a plurality of ultraviolet absorbing plates 4 are provided on the outer surface of the tube shell 1 .
[0033] In this embodiment, the inner wall of the inner shell 5 is provided with four equally divided positioning blocks 3, and the inner sides of the positioning blocks 3 are provided with positioning slots 11. The front and rear sides of the positioning slots 11 are coated with a slip-aiding coating 12. The positioning blocks 3 can play a certain role in bundling the wires. The positioning slots 11 are used to separate the wires to prevent the power cables of the inner shell 5 from being entangled with each other and difficult to comb. At the same time, the slip-aiding coating 12 facilitates the insertion of the power cables into the interior of the inner shell 5.
[0034] In this embodiment, the ultraviolet absorption plates 4 are distributed on the outer surface of the tube shell 1 at intervals of 10 cm in front and back, and the outer surface of the ultraviolet absorption plates 4 is coated with an anti-ultraviolet coating. The anti-ultraviolet coating on the surface of the ultraviolet absorption plates 4 can effectively enhance its anti-ultraviolet performance to improve the anti-aging property of the product.
[0035] The constant temperature component comprises a heater 2 , which is fixedly mounted on the outer surface of the tube shell 1 in four equal parts, and a heat-conducting copper ring 6 connected to the heater 2 is arranged on the inner side of the tube shell 1 .
[0036] In this embodiment, a power-on groove 8 is provided at the center of the heater 2, and a heat-conducting copper column 10 is fixedly connected to the inner side of the power-on groove 8, and the heat-conducting copper column 10 is connected to the heat-conducting copper ring 6. Four heat-dissipating pipes 9 are provided on the outer surface of the heater 2, and the tops of the power-on groove 8 and the heat-dissipating pipes 9 can be hinged with sealing covers. With the help of the power-on groove 8, the heater 2 can heat the tube shell 1, so that it can adapt to the low-temperature environment and improve the low-temperature toughness of the product. At the same time, the heat-conducting copper ring 6 can share the overheating temperature.
[0037] In this embodiment, the heaters 2 are distributed on the outer surface of the tube shell 1 at a front-to-back interval of 25 cm, and the thermally conductive copper rings 6 are distributed on the inner side of the tube shell 1 at a front-to-back interval of 60 cm. A gap is left between the front and rear heaters 2 and the thermally conductive copper rings 6 to avoid mutual squeezing when they are bent, leaving a certain bending space.
[0038] In this embodiment, an anti-corrosion layer 7 that fits the thermally conductive copper ring 6 is fixedly mounted on the inner wall of the inner shell 5 . The anti-corrosion layer 7 can absorb the humid environment of the inner shell 5 and dissipate the residual heat of the thermally conductive copper ring 6 .
[0039] The beneficial effects of the above embodiments are:
[0040] By arranging a heater 2 on the outer surface of the tube shell 1, the tube shell 1 can be heated to avoid insufficient bending due to too low temperature. At the same time, a heat-conducting copper ring 6 connected to the heater 2 is provided on the inner side of the tube shell 1 to avoid overheating and damage to the tube shell 1 itself. An anti-ultraviolet ultraviolet absorption plate 4 is provided next to the heater 2 to ensure the performance and service life of the protective shell.
[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A PE power cable protection tube, comprising a tube shell (1) and a constant temperature component, wherein the outer surface of the tube shell (1) is provided with the constant temperature component; Features: An inner shell (5) is provided on the inner side of the tube shell (1), and a plurality of ultraviolet absorption plates (4) are provided on the outer surface of the tube shell (1); The constant temperature component comprises a heater (2), wherein the heater (2) is fixedly mounted in four equal parts on the outer surface of the tube shell (1), and a heat-conducting copper ring (6) connected to the heater (2) is arranged on the inner side of the tube shell (1).
2. A PE power cable protection tube according to claim 1, characterized in that: The inner wall of the inner shell (5) is provided with four equally divided positioning blocks (3), the inner sides of the positioning blocks (3) are provided with positioning slots (11), and the front and rear sides of the positioning slots (11) are coated with a slip-promoting coating (12).
3. The PE power cable protection tube according to claim 1, characterized in that: The ultraviolet absorption plates (4) are distributed on the outer surface of the tube shell (1) at intervals of 10 cm in front and back, and the outer surface of the ultraviolet absorption plates (4) is coated with an anti-ultraviolet coating.
4. The PE power cable protection tube according to claim 1, characterized in that: A power-conducting groove (8) is provided at the center of the heater (2), a heat-conducting copper column (10) is fixedly connected to the inner side of the power-conducting groove (8), and the heat-conducting copper column (10) is connected to the heat-conducting copper ring (6). Four heat-dissipating pipes (9) are provided on the outer surface of the heater (2), and sealing covers can be hinged on the tops of the power-conducting groove (8) and the heat-dissipating pipes (9).
5. The PE power cable protection tube according to claim 1, characterized in that: The heaters (2) are distributed on the outer surface of the tube shell (1) at intervals of 25 cm from front to back, and the heat-conducting copper rings (6) are distributed on the inner side of the tube shell (1) at intervals of 60 cm from front to back.
6. The PE power cable protection tube according to claim 1, characterized in that: An anti-corrosion layer (7) that fits the heat-conducting copper ring (6) is fixedly mounted on the inner wall of the inner shell (5).