Condensation and dissipation self-control type cable sheath
A cable sheathing and self-coagulation technology, applied in the direction of insulated cables, power cables, cables, etc., can solve the problems of reduced cable protection effect, easy damage, affecting the efficiency of cable power transportation, etc., to achieve heat dissipation protection, increase Large heat dissipation area, improve the effect of protection
Active Publication Date: 2020-11-03
广东祥利特种材料科技有限公司 +1
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Problems solved by technology
[0004] When the cable is used for power transmission, it usually generates more heat, so the general cable sheath has a good heat dissipation effect, but in winter when the temperature is relatively low, the cable sheath usually shows a certain degree of brittleness due to low temperature , it is easy to be damaged when subjected to external force. In this case, due to its heat dissipation, the heat generated by the cable itself is released to the outside during operation, which reduces the protective effect of the sheath on the cable. At the same time, it will also Seriously affect the efficiency of cables for power transportation
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Embodiment 1
[0038] see figure 1 , a condensation self-control cable sheath, comprising an inner insulating layer 1, a skeleton layer 2 and an outer sheath 3, the inner insulating layer 1, the skeleton layer 2 and the outer sheath 3 are arranged sequentially from the inside to the outside, and two of the three Two fixed connections.
[0039] see figure 2 A plurality of evenly distributed temperature control tanks 4 are excavated at the outer end of the outer sheath 3. Self-condensing sinking and floating rods are placed inside the temperature control tanks 4. One end of the loose sinking and floating rod is in contact with the inner bottom of the temperature control tank 4, and the other end of the self-condensing sinking and floating rod moves through the mouth of the temperature control tank 4 and extends to the outside of the outer sheath 3, and the self-condensing sinking and floating rod includes a penetrating heat conducting rod 8, One end of the penetrating heat conducting rod 8 ...
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Abstract
The invention discloses a condensation and dissipation self-control cable sheath, belongs to the field of cable sheaths, and provides a condensation and dissipation self-control type cable sheath. A self-condensation sinking and floating rod is arranged, so when a sinking and floating control ball is gradually melted and scattered in water at high temperature, the weight of the self-condensation sinking and floating rod is gradually reduced, and the self-condensation sinking and floating rod gradually floats up in a temperature control heat conduction carrier liquid; at this moment, a temperature control notch is opened, so the heat dissipation is remarkably accelerated; on the one hand, an outer heat conduction sealing bag and part of a through heat conduction rod are located outside theouter protection layer, so the outward heat dissipation area is effectively increased, the heat dissipation efficiency is further improved, and the protection effect on the cable under the high-temperature condition is remarkably improved; during low temperature, grease particles are gradually condensed on the lower portion of the through heat conduction rod, the gravity center of the self-condensation sinking and floating rod is lowered and sinks, and therefore the opening of the temperature control groove is blocked, temperature is prevented from being dissipated outwards, the heat storage effect at low temperature is achieved, and the power transmission efficiency of the cable at low temperature is effectively guaranteed.
Description
technical field [0001] The invention relates to the field of cable sheaths, in particular to a condensation self-controlling cable sheath. Background technique [0002] Cables are usually composed of several wires or groups of wires. Cables include power cables, control cables, compensation cables, shielded cables, high temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mine cables, aluminum Alloy cables and more. They are all composed of single or multi-strand wires and insulation layers, and are used to connect circuits, electrical appliances, etc. [0003] The cable is usually provided with a sheath, and the use of a cable protection sleeve to protect the cable can achieve the following advantages: 1. Good corrosion resistance, long service life, and can be used in humid saline-alkaline areas. 2. Flame retardant and heat resistant, it can be used for a long time at a high temperature of 130 degrees without deformati...
Claims
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IPC IPC(8): H01B7/42H01B7/17H01B9/00
CPCH01B7/17H01B7/421H01B7/426H01B7/428H01B9/00
Inventor 孟祥浩
Owner 广东祥利特种材料科技有限公司