CN215298939U - Self-cooling cable for energy storage battery - Google Patents
Self-cooling cable for energy storage battery Download PDFInfo
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- CN215298939U CN215298939U CN202121765011.0U CN202121765011U CN215298939U CN 215298939 U CN215298939 U CN 215298939U CN 202121765011 U CN202121765011 U CN 202121765011U CN 215298939 U CN215298939 U CN 215298939U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model provides a from cooling cable for energy storage battery, include: the power wire core is used for power transmission of the energy storage battery; at least one temperature reducing duct disposed adjacent to the power core; a cable tie; weaving a shielding layer; a cable outer sheath; and a supporting filler; the power cable core, the cooling pipeline and the supporting filler are stranded into a cable, and the cable is wrapped and rounded by a cable wrapping belt to form a cable core with a circular section; the braided shielding layer and the cable outer sheath are sequentially wrapped on the periphery of the cable core; the cooling pipeline is composed of a hose and a cooling medium, wherein the hose and the cooling medium are arranged in the same direction as the power line core, and the cooling medium is arranged in the hose. The utility model discloses set up the cooling pipe way compatible with electric power sinle silk material in the cable core, cool down through the coolant cooling of dispelling the heat to the electric power sinle silk, guarantee the current-carrying capacity of cable, the power transmission ability and the safe life of high cable, and the structure is soft easily installs, carries and can be applied to in novel electric power energy storage system's the construction.
Description
Technical Field
The utility model relates to the technical field of cables, particularly to a from cooling cable for energy storage battery.
Background
According to the energy conservation and emission reduction requirements of the united nations, coal and electricity removal becomes a global consensus, and the aim of renewable energy power generation proportion in the next 30 years is emphasized. All countries in the world support the development of assisted new energy, become the great trend of global energy revolution and upgrade, and put forward the carbon emission target in the period of nearly 1-5 years. China in 2020 puts forward that the proportion of non-fossil energy reaches 25% in 2030, and the aim of '30 and 60' is to strive for carbon emission to reach the peak value before 2030, strive for realizing carbon neutralization before 2060, a new round of energy revolution is promoted, an energy storage technology is one of core technologies of energy transformation, and the commercialization and scale of an energy storage power station are promoted by policies and requirements.
The cable for the energy storage battery, which is an important part of the energy storage system, is also accompanied with the construction of the energy storage power station in the beginning of the golden development period. The energy storage battery cable is in a special working condition environment at present, relatively large current needs to be transmitted in application, long-time high-power charging and discharging capacity is needed, heating and temperature rising under large current are high, and the power transmission capacity and the safe service life of the energy storage cable are seriously affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a from cooling cable for energy storage battery sets up the cooling pipe compatible with power core material in the cable core, cools down through the cooling agent of cooling pipe inside to dispel the heat to the power core to guarantee the current-carrying capacity of cable, and the structure is soft easily to be installed.
According to the utility model discloses a first aspect of purpose provides a from cooling cable for energy storage battery, include:
the power wire core is used for power transmission of the energy storage battery;
at least one temperature reducing duct disposed adjacent to the power core;
a cable tie;
weaving a shielding layer;
a cable outer sheath; and
supporting the filler;
the power cable core, the cooling pipeline and the supporting filler are stranded into a cable, and the cable wrapping belt is wrapped and rounded to form a cable core with a circular section; the braided shielding layer and the cable outer sheath are sequentially wrapped on the periphery of the cable core;
the cooling pipeline comprises the hose that sets up with the electric power sinle silk syntropy and the cooling medium of setting in the hose inside.
Preferably, the cooling pipeline is arranged between two adjacent power wire cores and is tangentially arranged between the adjacent power wire cores.
Preferably, the power line core comprises a conductor and an insulating layer wrapped around the conductor.
Preferably, the hose is made of a material the same as or compatible with the material of the power wire core insulating layer.
Preferably, the hose is made of a silicon rubber base material, and the insulating layer of the power wire core is made of a silicon-based polymer base material.
Preferably, the conductor used in the power line core is a tin-plated soft conductor, and a copper conductor with an ultra-6 type fine soft tin-plated stranded structure is adopted.
Preferably, the braided shielding layer is a tinned soft fine copper wire braided layer, and the braiding density is 90-92%.
Preferably, the cable wrapping tape is made of thin non-woven fabrics, and the thickness of the cable wrapping tape is 0.05 mm-0.08 mm.
By the technical scheme, the utility model provides a be used for self-cooling cable of energy storage battery's showing the advantage and lie in:
1) the utility model discloses a power core for energy storage system battery power transmission comprises tin-plated soft structure conductor and insulating layer, wherein the tin-plated soft conductor is for adopting the more thin tin-plated soft structure copper conductor of super 6 types, and the insulating layer adopts the silica-based macromolecular material of high conductivity, high heat conductivity and high flexibility, has excellent electrical property, heat resistance, acid and alkali resistance anticorrosion's function, improves the safety and stability characteristic of electrical connection;
2) the utility model discloses a cooling pipe for realizing energy storage system cable is from cooling down, by with electric power sinle silk insulation material compatible silicon rubber substrate hose and coolant composition, cooling pipe's both ends are seal structure, the pipeline cavity is provided with the coolant, be used for cooling cycle, take away the heat that electric power sinle silk transmission current distributes through cooling medium, realize the heat energy that produces in the replacement electric power sinle silk transmission current process, reduce the temperature of electric power sinle silk and oversheath, realize the function of self-cooling, guarantee the current-carrying capacity of unit length cable transmission, its current-carrying capacity is superior to conventional energy storage battery cable;
3) the utility model discloses a cooling tube chooses for use silicon rubber substrate hose that heat conductivility is excellent, and is compatible with the insulating layer material of electric power sinle silk, has good corrosion resisting property simultaneously, and cooling tube's both ends are seal structure, have avoided leaking and the pollution problem of coolant.
It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of the present disclosure unless such concepts are mutually inconsistent. In addition, all combinations of claimed subject matter are considered a part of the inventive subject matter of this disclosure.
The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the specific embodiments in accordance with the teachings of the present invention.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a self-cooling cable for an energy storage battery according to an exemplary embodiment of the present invention.
Detailed Description
For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings.
In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.
The self-cooling cable for the energy storage battery combined with the example shown in fig. 1 aims to realize the replacement of heat dissipated by transmission current of the power wire core through the arrangement of the cooling pipeline which is communicated with the power wire core and is arranged and twisted, reduce the temperature of the power wire core and the outer sheath, ensure the current-carrying capacity of cable transmission in unit length, and improve the power transmission capacity and the safe service life of the cable.
Meanwhile, the cooling pipeline in the preferred design scheme adopts the base material compatible with the insulating layer of the power wire core, so that the base material is convenient to twist and mold, and is flexible and easy to manufacture and install.
As a preferred embodiment, the self-cooling cable for energy storage batteries is shown in fig. 1, and comprises at least one power wire core 1 for power transmission of the energy storage batteries, at least one cooling pipe 2 arranged adjacent to the power wire core 1, a cable wrapping tape 3, a braided shielding layer 4, a cable outer sheath 5 and a supporting filler 6.
The power wire core 1, the cooling pipeline 2 and the supporting filler 6 are twisted into a cable, and the cable is wrapped and rounded by the cable wrapping belt 3 to form a cable core with a circular section; the braided shielding layer 4 and the cable outer sheath 5 are sequentially wrapped on the periphery of the cable core. In an optional embodiment, the supporting filler 6 is made of a flexible material with low thermal resistance and high flame retardance, such as a netted PP flame-retardant filling rope, so that on one hand, heat of the power wire core can be uniformly distributed around, the temperature of the cooling agent is rapidly reduced through a cooling pipeline, the current carrying capacity of the power wire core is greatly improved, and on the other hand, the flame-retardant and environment-friendly effects are good.
The cooling duct 2 is composed of a hose 21 provided in the same direction as the power core 1 and a cooling medium 22 provided inside the hose 21.
In some embodiments, the cooling duct 2 is disposed between two adjacent power cores and arranged tangentially to the adjacent power cores.
With reference to fig. 1, the power core 1 comprises a conductor 11 and an insulating layer 12 covering the outside of the conductor 11. In an alternative embodiment, the power core 1 consists of a conductor 11 and an insulating layer 12 from the inside to the outside; the conductor 11 is a tin-plated soft conductor, and a high-purity oxygen-free copper rod is adopted to be made into an ultra-6-class fine copper conductor stranded structure through wire drawing, tin plating corrosion prevention and bundle stranding processes.
The soft conductor of tin-plating adopts the thin copper conductor transposition structure of super 6 types, can improve the conductor compliance, improves the coefficient of stiction of the soft conductor of tin-plating simultaneously, can reach more than 93% to improve the electric conductivity and the rounding degree of conductor, reduce the external diameter of conductor, thereby improve current-carrying capacity, the rounding degree of cable, reduce the cable external diameter, reduce cable laying installation space, in order to satisfy energy storage battery cluster integration, intelligent electrical transmission requirement.
The insulating layer 12 is made of a silicon-based polymer base material with high electric conductivity, high thermal conductivity and high flexibility, so that the cable power wire core 1 has excellent electric, heat-resistant, soft, acid-base-resistant, corrosion-resistant and other functions, and the safety and stability of electric connection are improved.
The cooling pipeline 2 comprises hose 21 and cooling medium 22 two parts, and the both ends of cooling pipeline 2 are seal structure, and the inside hollow portion of hose 21 is provided with cooling medium 22, for example the coolant for cooling cycle, takes away the heat that electric power sinle silk 1 transmission current gived off through cooling medium, reduces the whole temperature of cable, realizes the function from the cooling.
The hose 21 is preferably a silicone rubber substrate compatible with the material of the insulating layer 12 of the power core.
The cable belting 3, the braided shielding layer 4 and the cable outer sheath 5 are sequentially wrapped on the periphery of the twisted cable formed by the power wire core 1 and the cooling pipeline 2 to form a circular cable structure, and the gap position in the middle is filled with a supporting filler 6 and is rounded by the cable belting 3. The cable wrapping tape 3 can adopt thin non-woven fabrics, the thickness of the non-woven fabrics is 0.05 mm-0.08 mm, and the cable wrapping tape has the function of tight and round cabling.
The braided shielding layer 4 is a tinned soft thin copper wire braided layer, and the braiding density is more than 90%; the embodiment of the utility model provides an in, weave density control between 90% ~ 92%, play the function of shielding the interference of heavy current to external battery management system.
And the outer sheath 5 is used for protecting the outer layer, and preferably adopts a soft substrate with good flame retardant property, such as a silicon-based polymer substrate (such as silicon rubber), so that the outer sheath has good softness, high and low temperature resistance, corrosion resistance and sunlight aging resistance.
The utility model discloses a flexible cable from cooling down of embodiment, traditional this type of product relatively, the compliance, electric conductivity and the corrosion resisting property of conductor all further obtain promoting, and the highest temperature resistant grade can reach 180 ℃; meanwhile, the cable can realize the function of self-cooling, and the safe service life, the high and low temperature resistance, the chemical reagent resistance, the battery acid resistance, the flexibility and other performances of the energy storage battery cable are effectively improved.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.
Claims (8)
1. A self-cooling cable for an energy storage battery, comprising:
at least one power core (1) for power transmission of an energy storage battery;
at least one cooling duct (2) arranged adjacent to the power core (1);
a cable tie (3);
a braided shield layer (4);
a cable jacket (5); and
a supporting filler (6);
the power wire core (1), the cooling pipeline (2) and the supporting filler are stranded into a cable, and the cable wrapping belt (3) wraps the cable to be round to form a cable core with a round section; the braided shielding layer (4) and the cable outer sheath (5) are sequentially wrapped on the periphery of the cable core;
the cooling pipeline (2) is composed of a hose (21) arranged in the same direction as the power wire core (1) and a cooling medium (22) arranged inside the hose (21).
2. The self cooling cable for energy storage batteries according to claim 1, characterized in that the cooling duct (2) is arranged between 2 adjacent power cores (1) and is arranged tangentially to the adjacent power cores (1).
3. The self cooling cable for energy storage batteries according to claim 1, characterized in that the power core (1) comprises a conductor (11) and an insulating layer (12) wrapping the outside of the conductor (11).
4. The self-cooling cable for the energy storage battery according to claim 3, wherein the hose (21) is made of a material which is the same as or compatible with the material of the insulating layer (12) of the power core (1).
5. The self-cooling cable for the energy storage battery as claimed in claim 3, wherein the hose (21) is made of a silicone rubber base material hose, and the insulating layer (12) of the power core (1) is made of a silicone-based polymer base material.
6. Self cooling cable for energy storage batteries according to claim 3, characterized in that the conductor (11) used in the power core (1) is a soft tinned conductor, a copper conductor in super category 6 soft tinned stranded structure.
7. Self cooling cable for energy storage batteries according to claim 1, characterized in that said braided shielding (4) is a braided layer of tinned soft fine copper wire with a braiding density between 90% and 92%.
8. The self-cooling cable for the energy storage battery as claimed in claim 1, wherein the cable wrapping tape (3) is made of thin non-woven fabric and has a thickness of 0.05mm to 0.08 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121765011.0U CN215298939U (en) | 2021-07-30 | 2021-07-30 | Self-cooling cable for energy storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121765011.0U CN215298939U (en) | 2021-07-30 | 2021-07-30 | Self-cooling cable for energy storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215298939U true CN215298939U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121765011.0U Active CN215298939U (en) | 2021-07-30 | 2021-07-30 | Self-cooling cable for energy storage battery |
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| Country | Link |
|---|---|
| CN (1) | CN215298939U (en) |
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2021
- 2021-07-30 CN CN202121765011.0U patent/CN215298939U/en active Active
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