CN210805260U - Flexible cable for energy storage battery - Google Patents
Flexible cable for energy storage battery Download PDFInfo
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- CN210805260U CN210805260U CN201921963267.5U CN201921963267U CN210805260U CN 210805260 U CN210805260 U CN 210805260U CN 201921963267 U CN201921963267 U CN 201921963267U CN 210805260 U CN210805260 U CN 210805260U
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Abstract
The utility model provides a flexible cable for an energy storage battery, which comprises a main wire core, an energy storage wire core and a cable outer sheath; wherein the main wire core and the storage wire core are arranged side by side; the cable outer sheath is arranged outside the main wire core and the storage wire core; the power storage wire core is formed by twisting a plurality of wire cores and then wrapping non-woven fabrics; each wire core sequentially comprises an electricity storage conductor, a graphene fiber layer, a metal composite layer, an electricity storage protective layer and an electricity storage outer sheath from inside to outside. The utility model discloses a structural design and material selection satisfy completely that the battery of resistance of cable for energy storage battery system is sour, ageing-resistant, resistant weather, dampproofing, ultraviolet resistance characteristic to have outstanding high life, high insulation, characteristics such as softness, can do energy memory storage a small amount of electric energy and supply instrument control circuit to use under particular circumstances.
Description
Technical Field
The utility model relates to a cable, especially a flexible cable for energy storage battery for energy storage system.
Background
Currently, in the energy storage battery market, there are three major application fields: the communication base station comprises an electric power energy storage device, a household energy storage device and a base station energy storage device, wherein the field of a backup power supply of the communication base station is large in proportion at present and accounts for nearly half of the whole energy storage battery market.
The family energy storage utilizes the 'family energy' wave raised by Tesla, has a larger space for further development and expansion, but is mainly concentrated in overseas areas such as America, Germany, Australia and Japan at present, the domestic is still in the initial development stage, the market scale is relatively small, and the development prospect is not small in the long term.
Data published by the national energy agency shows that in the interval of 2017-year 2020, the newly added distributed photovoltaic construction scale accounts for 86.5GW, the project of the lead base is arranged to reach 8GW every year, the newly added wind power construction scale accounts for 110.41GW, and in addition, the installed capacity of solar power generation is expected to reach 1.6 hundred million kilowatts by 2020.
In general, the current domestic energy storage battery market speed increasing is quite obvious, and as the last half year of 2017, the installed energy storage project planned in China reaches about 1100 megawatts, wherein the installed energy storage project does not comprise a pumped storage power station and a heat storage project.
As a matching product for the energy storage battery, namely the energy storage battery cable, the energy storage battery system has high requirements due to the special use environment of the energy storage battery system. The cable for the energy storage battery has excellent insulating electrical property and mechanical property, and also has the characteristics of battery acid resistance, aging resistance, sunlight resistance, low smoke, zero halogen, flame retardance, environmental protection and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can do energy memory storage a small amount of electric energy and supply instrument control circuit to use flexible cable for energy storage battery system under particular case.
Realize the utility model discloses the technical scheme of purpose is:
a flexible cable for an energy storage battery, comprising: the cable comprises a main wire core, a stored wire core and a cable outer sheath; wherein the main wire core and the storage wire core are arranged side by side; the cable outer sheath is arranged outside the main wire core and the storage wire core; the power storage wire core is formed by twisting a plurality of wire cores and then wrapping non-woven fabrics; each wire core sequentially comprises an electricity storage conductor, a graphene fiber layer, a metal composite layer, an electricity storage protective layer and an electricity storage outer sheath from inside to outside. The utility model discloses a special energy storage sinle silk, the metal composite bed of cladding metal composite film again behind its conductor parcel graphite alkene fibre, graphite alkene fibre have very strong electric charge adsorptivity make the cable have certain energy storage ability, then play the guard action with the irradiation cross-linking low smoke and zero halogen flame retardant TPE material of the same kind material of thread core, utilize many sinle silks formal stranding to reach the ability that improves the storage charge simultaneously.
Furthermore, the main line core is of a single-core structure and sequentially comprises a main conductor, a conductive adhesive layer, an insulating protective layer, an outer sheath layer and an outer sheath protective layer from inside to outside.
Furthermore, the main conductor is a 6-type copper conductor or a tin-copper conductor, the diameter of each monofilament is 0.08-0.12mm, a plurality of monofilaments are stranded in the same direction and then are stranded in layers, the conductive adhesive layer is extruded outside the main conductor, and gaps of the main conductor are filled with the conductive adhesive. The utility model discloses a principal line core adopts syntropy to restraint the hank and adds the compound hank of stranded filament layering, greatly improves the compliance of cable, fills up high temperature resistant conducting resin in the conductor gap simultaneously and has improved the electric conductivity of conductor, has strengthened the roundness of conductor, has reduced the contact resistance that the conductor was installed on the terminal.
Furthermore, the electricity storage conductor is a solid copper conductor with the diameter of 0.5 mm-0.8 mm.
Furthermore, the metal composite layer adopts a copper-plastic composite film, and a plastic layer of the copper-plastic composite film is attached to the graphene fiber layer.
The utility model discloses has positive effect:
(1) the utility model discloses a structural design and material selection satisfy completely that the battery of resistance of cable for energy storage battery system is sour, ageing-resistant, resistant weather, dampproofing, ultraviolet resistance characteristic to have outstanding high life, high insulation, characteristics such as softness, can do energy memory storage a small amount of electric energy and supply instrument control circuit to use under particular circumstances.
(2) The utility model discloses a leading body adopts syntropy to restraint the hank and adds the structure of layering compound hank, very big improvement the compliance of cable, the installation of being convenient for.
(3) The utility model discloses a conductive adhesive layer is crowded package of high temperature resistant conductive adhesive and is formed and fill up conductive adhesive in the gap between leading body, has increased the electric conductivity of conductor, has also guaranteed the rounding of conductor simultaneously.
(4) The utility model discloses a graphite alkene fibrous layer is the stronger graphite alkene fibrous material of polarity, very big improvement the storage charge ability.
(5) The utility model discloses a conductor wraps up behind the graphite alkene fibrous layer outward, reuse metal composite bed cladding graphite alkene fibrous outer jacket, and last oversheath adopts again and plays the guard action with the low smoke and zero halogen flame retardant TPE material of the same irradiation cross-linking of main line core oversheath, utilizes a plurality of sinle silks of formal stranding transposition to reach the ability that improves storage charge simultaneously.
(6) The utility model discloses an oversheath that "∞" mould was extruded is the low smoke and zero halogen fire-retardant TPE material of irradiation cross-linking, is used for fixing and protects the main line core and accumulate sinle silk, is convenient for lay and install.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural diagram of the present invention.
The reference numbers are:
the cable comprises a main wire core 1, a main conductor 11, a conductive adhesive layer 12, an insulating layer 13, an insulating protective layer 14, an outer sheath layer 15, an outer sheath protective layer 16, a power storage wire core 2, a power storage conductor 21, a graphene fiber layer 22, a metal composite layer 23, a power storage protective layer 24, a non-woven fabric 25 and a cable outer sheath 3.
Detailed Description
(example 1)
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention will be described and explained in detail by several specific embodiments.
(example 1)
Referring to fig. 1, the flexible cable for an energy storage battery of the present embodiment includes:
the cable comprises a main wire core 1, a stored wire core 2 and a cable outer sheath 3; the main wire core 1 comprises a main conductor 11, and a conductive adhesive layer 12, an insulating layer 13, an insulating protective layer 14, an outer sheath layer 15 and an outer sheath protective layer 16 which are sequentially arranged outside the main conductor 11; the power storage wire cores 2 are arranged in an equal division mode by adopting a 1+6 structure and are twisted into a cable; the cable outer sheath 3 is arranged outside the main wire core 1 and the power storage wire core 2 through an infinity mould. The cable is used for protecting and fixing the main cable core and the power storage cable core, and is convenient to lay and install.
Specifically, the main conductor 11 is a category 6 copper conductor or a tinned copper conductor, and is formed by co-directional stranding and layered compound stranding of a plurality of monofilaments with the diameters of 0.08mm to 0.12mm, the strand is formed by left-hand stranding of a plurality of filaments, the stranding pitch diameter ratio is 18-20 times, regular stranding is adopted for compound stranding of the strands, the stranding pitch diameter ratio is 14-16 times, the stranding direction is left-hand, the finished conductor is left-hand stranded, and the stranding pitch diameter ratio is 12-14 times. The twisted monofilament is not suitable for being too thin and too thick, and 0.08-0.12mm monofilament is the optimal scheme, so that the flexibility of the conductor can be improved while the conductor is not easy to break when twisted. The matching of the inner side and the outer side of the stranding pitch diameter ratio needs to be configured reasonably, the flexibility and the conductor resistance of the conductor are influenced by the size of the pitch diameter ratio, and the cable quality is seriously influenced by the phenomena of lantern shape, hard conductor, strand scattering of the conductor and the like generated in the stranding process when the inner layer pitch diameter ratio and the outer layer pitch diameter ratio are not matched properly. The twist pitch ratio selected by the embodiment is extremely large, so that the flexibility of the cable is improved, and the cable is convenient to mount; filling conductive adhesive in gaps between the main conductors 11, extruding and wrapping a layer of conductive adhesive layer 12 made of high-temperature-resistant conductive adhesive outside, wherein the thickness is 0.1-0.2 mm, the gaps between the conductors can be filled with the conductive adhesive layer, the conductive adhesive layer covers the surfaces of the conductors, and the test comparison of the resistance shows that the (0.1-0.2) mm conductor has the best resistance and the optimal appearance roundness, so that the conductivity of the conductor is increased, and the roundness of the conductor is ensured; then, extruding a layer of insulating layer 13 made of irradiation cross-linked polyethylene outside the conductive adhesive layer 12, wherein the temperature resistance level reaches 90-125 ℃; then, statically coating an insulating protective layer 14 made of fluorinated modified silicone resin on the outer part of the insulating layer 13, wherein the thickness of the insulating protective layer is 0.05 mm-0.1 mm, the fluorinated modified silicone resin is a liquid material, and the electrostatic coating process can improve the wear resistance, the insulation resistance and other characteristics of the wire core, the thicker the fluorinated modified silicone resin is, the smaller the thickness is, the larger the thickness is, the more difficult the static coating process is, and the high insulating property of the cable can be ensured by adopting the thickness of the embodiment, and meanwhile, the low smoke, zero halogen and wear resistance characteristics of the cable can be considered; and then, extruding a layer of outer sheath layer 15 made of irradiation cross-linking low-smoke halogen-free flame-retardant TPE outside the insulating protective layer 14, wherein the Shore A hardness of the material is 50-60, and then statically coating an outer sheath protective layer 16 made of polyether polyurethane paint outside the outer sheath protective layer 15, wherein the thickness of the outer sheath protective layer is 0.05-0.1 mm, so that printing and appearance can be protected, moisture in the air is prevented from permeating into the outer sheath layer 15, and the sunlight resistance and aging resistance of the cable are enhanced.
Specifically, the solid copper conductor with the diameter of 0.5 mm-0.8 mm is adopted as the electricity storage conductor 21 of the electricity storage core 2, the selection of the outer diameter considers the whole softness, and the solid conductor does not use a soft structure conductor to prevent the influence of the conductor surface twist of the soft structure on the graphene fiber layer so as to reduce the electricity storage capacity. The graphene fiber layer 22 of graphene fiber material with strong polarity is wrapped outside, the metal composite layer 23 of copper-plastic composite film material is wrapped outside, the plastic layer is attached to the graphene fiber layer 22 during wrapping, then the electricity storage protective layer 24 of irradiation cross-linking low-smoke halogen-free flame-retardant TPE is wrapped by extrusion, the Shore A hardness of the material is 50-60, then regularly stranding and cabling through a 1+6 structure, greatly improving the charge storage capacity of a plurality of wire cores, wrapping a layer of high-strength non-woven fabric after cabling, finally extruding the main wire core 1 and the stranded power storage wire core 2 through a '∞' die to obtain a cable outer sheath which is made of an irradiation cross-linked low-smoke halogen-free flame-retardant TPE and has Shore A hardness of 50-60, the printing and the appearance can be protected, and simultaneously, moisture in the air is prevented from permeating into the outer sheath layer 15 and the electricity storage protective layer 24, so that the sunlight resistance and the aging resistance of the cable are enhanced.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A flexible cable for an energy storage battery, characterized by comprising:
the cable comprises a main wire core (1), a storage wire core (2) and a cable outer sheath (3);
wherein the main wire core (1) and the storage wire core (2) are arranged side by side;
the cable outer sheath (3) is arranged outside the main wire core (1) and the storage wire core (2);
the power storage wire core (2) is formed by twisting a plurality of wire cores and then wrapping non-woven fabrics (26); each wire core sequentially comprises an electricity storage conductor (21), a graphene fiber layer (22), a metal composite layer (23), an electricity storage protective layer (24) and an electricity storage outer sheath (25) from inside to outside.
2. The flexible cable for energy storage batteries according to claim 1, wherein:
the main wire core (1) is of a single-core structure and sequentially comprises a main conductor (11), a conductive adhesive layer (12), an insulating layer (13), an insulating protective layer (14), an outer sheath layer (15) and an outer sheath protective layer (16) from inside to outside.
3. The flexible cable for energy storage batteries according to claim 2, characterized in that:
the main conductor (11) is a 6-type copper conductor or a tin-copper conductor, the diameter of each monofilament is 0.08-0.12mm, a plurality of monofilaments are stranded in the same direction and then are stranded in layers, the conductive adhesive layer (12) is extruded outside the main conductor (11), and the conductive adhesive fills gaps of the main conductor (11).
4. The flexible cable for energy storage batteries according to claim 1, wherein:
the electricity storage conductor (21) is a solid copper conductor with the diameter of 0.5 mm-0.8 mm.
5. The flexible cable for energy storage batteries according to claim 1, wherein:
the metal composite layer (23) adopts a copper-plastic composite film, and the plastic layer of the copper-plastic composite film is attached to the graphene fiber layer (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921963267.5U CN210805260U (en) | 2019-11-14 | 2019-11-14 | Flexible cable for energy storage battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921963267.5U CN210805260U (en) | 2019-11-14 | 2019-11-14 | Flexible cable for energy storage battery |
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| CN210805260U true CN210805260U (en) | 2020-06-19 |
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| CN201921963267.5U Active CN210805260U (en) | 2019-11-14 | 2019-11-14 | Flexible cable for energy storage battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110675971A (en) * | 2019-11-14 | 2020-01-10 | 远东电缆有限公司 | Flexible cable for energy storage battery and production process thereof |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110675971A (en) * | 2019-11-14 | 2020-01-10 | 远东电缆有限公司 | Flexible cable for energy storage battery and production process thereof |
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