Energy storage cable

Abstract

The utility model belongs to the technical field of energy storage cables, and discloses an energy storage cable, which comprises a tube core, a partition plate is arranged on the outer side of the tube core, a filling layer is arranged on the inner side of the partition plate, a conductor is arranged in the filling layer, an insulating layer is arranged between the conductor and the filling layer, and a steel belt is arranged outside the partition plate and the filling layer. According to the utility model, the notch and the tube core are arranged, heat generated by the energy storage cable in use can be absorbed by the filling layer to the heat generated by the conductor, then the heat is transmitted by the steel belt and the heat conducting plate, the heat conducting plate gathers the heat to the notch, and external airflow is guided by the inclined groove to be introduced into the notch, so that the energy storage cable is more energy-saving and environment-friendly. And the heat in the cavity of the slot is carried, and the contact part of the heat conducting plate and the slot opening is also radiated, so that the radiating effect of the energy storage cable is improved, and the influence on the service life and the electric energy transmission efficiency caused by the temperature rise of the cable is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of energy storage cable, specifically an energy storage cable. BACKGROUND

[0002] The energy storage cable is a cable for energy storage, which is used to connect components such as battery modules, battery clusters, battery clusters and bus boxes, and battery clusters and energy storage converters in the energy storage system. The performance of the energy storage cable is crucial to the safety, reliability and efficiency of the energy storage system.

[0003] The energy storage cable in the prior art is used for power transmission through the conductor arranged inside, and the conductor is protected by the insulating sheet arranged on the outside to prevent current leakage. Multiple conductors are combined together and wrapped in a sheath to form an energy storage cable. However, when the energy storage cable is charged with high power for a long time, the temperature of the cable will rise, and the cable can only be cooled normally by the sheath. Over a long period of time, the service life and stability of the cable will be affected, causing a fire and affecting the power transmission efficiency of the cable. Therefore, it needs to be improved. SUMMARY

[0004] To solve the problems raised in the background art, the utility model provides an energy storage cable.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an energy storage cable, comprising a pipe core, a partition plate is arranged on the outside of the pipe core, a filling layer is arranged on the inside of the partition plate, a conductor is arranged in the filling layer, an insulating layer is arranged between the conductor and the filling layer, a steel belt is arranged on the outside of the partition plate and the filling layer, a heat conducting plate is arranged on the outer surface of the steel belt, a sheath is mounted on the outside of the heat conducting plate, a notch is formed in the inside of the sheath, an inclined groove is formed in the inside of the sheath, and the inclined groove is communicated with the notch.

[0006] Preferably, the partition plate is provided with four partition plates, and the four partition plates are distributed equidistantly on the pipe core.

[0007] Preferably, the notch and the inclined groove are communicated to form a heat dissipation channel, and the heat dissipation channel is distributed equidistantly on the inside of the sheath.

[0008] Preferably, a steel wire is arranged in the pipe core, and the steel wire is distributed equidistantly in the pipe core.

[0009] Preferably, the pipe core has a cylindrical shape, and an energy storage material is arranged in the pipe core.

[0010] Preferably, the pipe core is made of polycarbonate material, and the polycarbonate material has good mechanical properties and heat resistance.

[0011] Compared with the prior art, the energy storage cable has the advantages that:

[0012] The utility model discloses set up the notched and the tube core, the heat that energy storage cable produces when using, will through the heat that filling layer absorbs to the conductor produces, and then heat transfers the heat to the heat conduction plate, and the heat conduction plate gathers the heat to the notched, because the airflow of outside is guided through the inclined groove, is introduced to the inside of the notched, carries away the heat in the notched cavity, and also carries out the heat dissipation to the heat conduction plate and the notched contact part, thereby improving the heat dissipation effect of energy storage cable, make it avoid the temperature rise of cable to cause the influence service life and electric energy transmission efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0014] Fig. 2 It is the structure schematic diagram of the utility model front cut;

[0015] Fig. 3 It is the structure schematic diagram of the utility model partition board.

[0016] In the drawing: 1, tube core;2, partition board;3, filling layer;4, conductor;5, insulating layer;6, steel band;7, heat conduction plate;8, sheath;9, notched;10, inclined groove;11, steel wire. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0018] Embodiment 1

[0019] As Figs. 1 to 3 Shown, it is the first embodiment of the application, provides a kind of energy storage cable, including tube core 1, tube core 1 outside is provided with partition board 2, partition board 2 inside is provided with filling layer 3, filling layer 3 inside is provided with conductor 4, conductor 4 and filling layer 3 between are provided with insulating layer 5, partition board 2 and filling layer 3 outside are provided with steel band 6, steel band 6 outer surface is provided with heat conduction plate 7, heat conduction plate 7 outside is equipped with sheath 8, sheath 8 inside is provided with notched 9, sheath 8 inside is provided with inclined groove 10, inclined groove 10 is communicated with notched 9.

[0020] The energy storage cable generates heat during use, and the inner conductor 4 generates heat, which is then absorbed by the filler layer 3, and then the heat is transmitted by the steel strip 6, and the heat is gathered in the notch 9 by the heat-conducting plate 7, and then the airflow outside is guided into the notch 9 by the inclined groove 10, carrying away the heat in the cavity of the notch 9, and the airflow also dissipates heat from the contact part of the heat-conducting plate 7 and the notch 9, improving the heat dissipation effect of the energy storage cable.

[0021] Embodiment 2

[0022] As shown in Fig. 2 and Fig. 3 The embodiment includes the features of embodiment 1, and the technical feature is that four partition plates 2 are arranged on the pipe core 1.

[0023] The four partition plates 2 are arranged inside the energy storage cable, and support the inside of the energy storage cable through the partition plates 2, so that the reinforcing core can maintain the overall shape of the cable and prevent the cable from being deformed excessively when bent or twisted.

[0024] The notch 9 and the inclined groove 10 are connected to form a heat dissipation channel, and the heat dissipation channel is arranged equidistantly inside the sheath 8.

[0025] The heat-conducting plate 7 conducts the heat generated by the energy storage cable out, and then the airflow outside is introduced into the notch 9 through the inclined groove 10, and the heat in the heat dissipation channel is conducted out by the airflow, so that the energy storage cable is continuously cooled, avoiding damage caused by long-time high-power input, and prolonging the service life of the cable.

[0026] The pipe core 1 is provided with steel wires 11 arranged equidistantly inside the pipe core 1.

[0027] The steel wires 11 have high tensile strength and can withstand the tensile force that the cable may encounter during use, protecting the conductor 4 and the insulating layer 5 inside the cable from damage; at the same time, when the cable is bent or twisted, the steel wires 11 can maintain the overall shape of the cable and prevent the cable from being deformed excessively, so that the cable can withstand greater mechanical stress while maintaining the shape and size stability of the cable.

[0028] The pipe core 1 is in the shape of a cylinder, and the pipe core 1 is provided with energy storage substances inside.

[0029] When the cable is in use, heat is generated inside, and the energy storage substances rapidly cool down through energy conversion and have energy storage effect, increasing the operating temperature range of the system while having good stability and durability, and the cable performance is more stable, thereby ensuring the performance of the cable and improving the heat resistance and stability of the cable.

[0030] The pipe core 1 is made of polycarbonate material, and the polycarbonate material has good mechanical properties and heat resistance;

[0031] The energy storage cable can withstand high temperature and pressure, has good chemical corrosion resistance, can maintain stable performance under various conditions, and improves the safety and reliability of the entire energy storage system.

[0032] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An energy storage cable comprising a tube core (1), characterized in that: The pipe core (1) is provided with a partition plate (2) outside, the partition plate (2) is provided with a filling layer (3) inside, the filling layer (3) is provided with a conductor (4) inside, the conductor (4) is provided with an insulating layer (5) between the filling layer (3), the partition plate (2) and the filling layer (3) are provided with a steel belt (6) outside, the outer surface of the steel belt (6) is provided with a heat conducting plate (7), the heat conducting plate (7) is provided with a sheath (8) outside, the sheath (8) is provided with a notch (9) inside, the sheath (8) is provided with an inclined groove (10) inside, and the inclined groove (10) is communicated with the notch (9).

2. An energy storage cable according to claim 1, characterized in that: The partition plate (2) is provided with four, and the four partition plates (2) are equidistantly distributed on the pipe core (1).

3. An energy storage cable according to claim 1, characterized in that: The notch (9) and the inclined groove (10) are communicated to form a heat dissipation channel, and the heat dissipation channel is equidistantly distributed inside the sheath (8).

4. An energy storage cable according to claim 1, characterized in that: The pipe core (1) is provided with a steel wire (11) inside, and the steel wire (11) is equidistantly distributed inside the pipe core (1).

5. An energy storage cable according to claim 1, characterized in that: The pipe core (1) is in a cylindrical shape, and the pipe core (1) is provided with energy storage material inside.

6. An energy storage cable according to claim 1, characterized in that: The pipe core (1) is made of polycarbonate material, and the polycarbonate material has good mechanical properties and heat resistance.

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