CN218214709U

CN218214709U - Charging cable, charging gun and charging device

Info

Publication number: CN218214709U
Application number: CN202222036321.XU
Authority: CN
Inventors: 杜青林; 张强; 徐文军; 杨腾; 赵雨桐
Original assignee: Shenzhen Woer New Energy Electric Technology Co Ltd
Current assignee: Shenzhen Woer New Energy Electric Technology Co Ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2023-01-03
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a charging cable, charging gun and charging device, this charging cable include sheath, a plurality of power sinle silk, a plurality of functional core group, ground wire and cable filler, a plurality of power sinle silks are arranged in the sheath evenly, a plurality of power sinle silks enclose to close and form first clearance, and enclose between the internal face of a plurality of power sinle silks and sheath and form a plurality of second clearances, be equipped with the liquid cooling pipe in each power sinle silk, the liquid cooling pipe is used for circulating the coolant liquid; the plurality of functional wire core groups are respectively arranged in the plurality of second gaps; the ground wire is accommodated in a second gap; the cable filler is filled in the first gap and is arranged at intervals with the functional wire core group. The liquid cooling pipe and the wire core conductor are integrally designed, and the wire core conductor is tightly surrounded outside the liquid cooling pipe, so that the heat transfer efficiency is improved, the heat dissipation effect is improved, and the current carrying capacity is improved; meanwhile, the internal structure of the cable is optimized, and the diameter of the cable is reduced.

Description

Charging cable, charging gun and charging device

Technical Field

The utility model relates to a new energy automobile field specifically is a charging cable, rifle and charging device charge.

Background

In recent years, the scale of new energy automobiles is developed at a high speed, the new energy automobiles gradually enter public visual fields, people can go out conveniently, however, the new energy automobiles seriously affect the user experience due to the low charging speed, the service efficiency of the charging pile is reduced, the electrified current of the traditional direct-current charging cable is not more than 250A, and the charging time is up to more than 2 h. Along with the promotion of charging power, charging current is also along with the increase, and the specification of the power line cross section area of the cable that bears current also can increase with calorific capacity, for solving this problem, has increased the liquid cooling pipe in the cable structure, and liquid cooling pipe and power sinle silk set up alone, can increase the diameter of cable, and area of contact between liquid cooling pipe and the power sinle silk is little, and the cooling effect is not good, influences new energy automobile's the safety of charging and charge efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a charging cable, rifle and charging device charge, aim at solving the cold pipe of liquid and the power sinle silk in the charging cable and set up alone, can increase the diameter of cable, area of contact between cold pipe of liquid and the power sinle silk is little, the not good technical problem of cooling effect.

In order to achieve the above object, the present invention provides a charging cable, which includes a sheath, a plurality of power cores, a plurality of functional core groups, a ground wire, and a cable filler, wherein the plurality of power cores are uniformly arranged in the sheath, the plurality of power cores surround to form a first gap, and a plurality of second gaps are formed between the plurality of power cores and an inner wall surface of the sheath, each power core is provided with a liquid cooling pipe, and the liquid cooling pipe is used for circulating a cooling liquid; the functional wire core groups are respectively arranged in the second gaps; the ground wire is accommodated in the second gap; the cable filler is filled in the first gap and is arranged at intervals with the functional wire core group.

In an embodiment, each power wire core comprises a surface layer, a copper braided layer and the liquid cooling pipe which are sequentially arranged from outside to inside, and the inner surface and the outer surface of the copper braided layer are respectively tightly attached to the outer surface of the liquid cooling pipe and the inner surface of the surface layer.

In one embodiment, the plurality of power wire cores comprise positive wire cores and negative wire cores, and the number of the positive wire cores and the number of the negative wire cores are the same.

In an embodiment, the number of the positive wire cores and the number of the negative wire cores are two, the positive wire cores and the negative wire cores are symmetrically arranged, and the outer wall surfaces of the positive wire cores and the negative wire cores are tightly attached to the inner wall surface of the sheath.

In one embodiment, any two adjacent liquid cooling pipes are communicated with each other.

In one embodiment, the sheath comprises an outer insulating layer and an inner insulating layer which are closely attached, and the inner wall surface of the inner insulating layer is closely attached to the outer wall surfaces of the positive pole wire core and the negative pole wire core.

In one embodiment, the cable filler is one of polypropylene mesh filler rope, glass fiber rope, inorganic paper rope, hemp rope and fan-shaped filler strip.

In order to achieve the above object, the present invention provides a charging gun, which comprises a positive terminal; a negative terminal; and the charging cable (100), part of the power wire cores (11) of the charging cable (100) are electrically connected with the positive terminal, and part of the power wire cores (11) of the charging cable (100) are electrically connected with the negative terminal.

In order to achieve the above object, the utility model provides a charging device, include the rifle charges.

In one embodiment, the charging device further comprises a power pump and a radiator, the liquid cooling pipe of the charging cable is respectively communicated with the power pump and the radiator, the power pump is used for conveying cooling liquid to the liquid cooling pipe, and the radiator is used for cooling the cooling liquid.

The utility model discloses technical scheme utilizes sheath installation, fixed and protection power sinle silk, a plurality of functional core group, ground wire and cable filler through being provided with the sheath, and power sinle silk is used for transmission current, and the ground wire is used for ground connection, and the gap between positive sinle silk and negative pole sinle silk is filled to the cable filler, increases charging cable's tensile strength and reinforcing pliability. The liquid cooling pipe and the anode wire core are integrally designed, the heat dissipation areas between the liquid cooling pipe and the anode wire core and between the liquid cooling pipe and the cathode wire core are increased, and the wire core conductor is tightly surrounded outside the liquid cooling pipe, so that the heat transfer efficiency between the wire core conductor and the liquid cooling pipe is greatly improved, the heat dissipation capacity is effectively improved, the heat dissipation effect is improved, and the current carrying capacity is improved; meanwhile, the internal structure of the cable is optimized, and the diameter of the cable is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a sectional view of the charging cable provided by the present invention;

fig. 2 is the utility model provides a power sinle silk dissect the view.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Charging cable	12	First gap
10	Protective sleeve	13	Second gap
				101	Outer insulating layer	14	Liquid cooling pipe
102	Inner insulating layer	15	Functional wire core group
				11	Power wire core	16	Ground wire
111	Surface layer	17	Cable filler
				112	Copper braided layer

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Please combine to refer to fig. 1-2, the utility model provides a charging cable 100, this charging cable 100 includes sheath 10, a plurality of power sinle silk 11, a plurality of functional sinle silk group 15, ground wire 16 and cable filler 17, a plurality of power sinle silks 11 are arranged in sheath 10 uniformly, a plurality of power sinle silks 11 enclose to close and form first clearance 12, and it has a plurality of second clearance 13 to close to be formed between the internal face of a plurality of power sinle silks 11 and sheath 10, be equipped with liquid cooling pipe 14 in each power sinle silk 11, liquid cooling pipe 14 is used for the circulation coolant liquid, a plurality of functional sinle silk group 15 are laid respectively in a plurality of

second clearance

13, 16 holding of ground wire are in a second clearance 13, cable filler 17 fills in first clearance 12, and set up with 15 intervals of functional sinle silk.

Wherein, the functional wire core group 15 can be the wire core group 15 with various functions such as signal functional wire core group, auxiliary power supply functional wire core group and control cable core group.

In this embodiment, by providing the sheath 10, the sheath 10 is used to install, fix and protect the power wire core 11, the plurality of functional wire core groups 15, the ground wire 16 and the cable filler 17, the positive wire core 11 and the negative wire core 11 are used to transmit current, the ground wire 16 is used to connect wires, thereby avoiding the occurrence of electric leakage accidents or the damage of strong electric potential to people, and ensuring the safety of the charging cable 100 in use. The gap between positive pole sinle silk 11 and the negative pole sinle silk 11 is filled to cable filler 17, increases charging cable 100's tensile strength and reinforcing pliability, makes cable inner structure stable simultaneously, is difficult for rocking. With liquid cooling pipe 14 and positive sinle silk 11,

liquid cooling pipe

14 and 11 integrated designs of negative sinle silk, increase liquid cooling pipe 14 and positive sinle silk 11, heat radiating area between liquid cooling pipe 14 and the negative sinle silk 11, closely encircle the sinle silk conductor outside liquid cooling pipe 14, heat transfer efficiency between sinle silk conductor and the liquid cooling pipe 14 has been promoted greatly, the effectual heat-sinking capability that has promoted, the radiating effect is improved, thereby promote the current-carrying capacity, the cable inner structure has been optimized simultaneously, the diameter of cable has been reduced.

Referring to fig. 2, in an embodiment, each power core 11 includes a surface layer 111, a copper braid layer 112 and a liquid cooling tube 14 sequentially arranged from outside to inside, and an inner surface and an outer surface of the copper braid layer 112 are respectively closely attached to an outer surface of the liquid cooling tube 14 and an inner surface of the surface layer 111.

In this embodiment, the surface layer 111 has an insulating and wear-resistant effect, and the copper braid layer 112 has an effect of resisting external electromagnetic interference, preventing interference to the surrounding environment and passing fault current due to an electromagnetic field generated by the copper braid layer during use. The cooling liquid in the liquid cooling tube 14 can efficiently dissipate heat of the copper braid 112, thereby improving the charging effect.

Referring to fig. 1, in order to ensure the charging efficiency, in an embodiment, the plurality of power cores 11 includes positive cores 11 and negative cores 11, and the number of the positive cores 11 is the same as that of the negative cores 11.

The positive wire core 11 comprises a first surface layer 111, a first copper braided layer 112 and a first liquid cooling pipe 14 which are sequentially arranged from outside to inside, and the inner surface and the outer surface of the first copper braided layer 112 are respectively tightly attached to the outer surface of the first liquid cooling pipe 14 and the inner surface of the first surface layer 111. The negative pole sinle silk 11 includes second top layer 111, second copper weaving layer 112 and the second liquid cooling pipe 14 that sets gradually from outside to inside, and the internal surface and the surface of second copper weaving layer 112 are hugged closely the internal surface on the external surface of second liquid cooling pipe 14 and second top layer 111 respectively.

Referring to fig. 1, in order to improve the charging effect, in an embodiment, the number of the positive wire cores 11 and the negative wire cores 11 is two, the positive wire cores 11 and the negative wire cores 11 are symmetrically arranged, and the outer wall surfaces of the positive wire cores 11 and the negative wire cores 11 are tightly attached to the inner wall surface of the sheath 10, so that the arrangement of the positive wire cores 11 and the negative wire cores 11 is compact, and the diameter of the charging cable 100 is optimized.

Referring to fig. 1, in order to improve the charging effect, in an embodiment, any two adjacent liquid cooling pipes 14 are connected to each other.

In this embodiment, the cooling liquid enters any two adjacent liquid cooling pipes 14, and then flows out from the other two adjacent liquid cooling pipes 14, so as to form a cooling liquid circulation loop, thereby improving the cooling efficiency.

In other embodiments, the cooling fluid enters the first fluid cooling tube 14 and exits the second fluid cooling tube 14 to form a cooling fluid circulation loop.

In other embodiments, the cooling fluid enters a first cooling fluid pipe 14 and then flows out of another first cooling fluid pipe 14, and the cooling fluid enters a second cooling fluid pipe 14 and then flows out of another second cooling fluid pipe 14, thereby forming a cooling fluid circulation loop.

Referring to fig. 1, in an embodiment, the sheath 10 includes an outer insulating layer 101 and an inner insulating layer 102, and an inner wall surface of the inner insulating layer 102 is closely attached to outer wall surfaces of the positive core 11 and the negative core 11.

In this embodiment, the sheath 10 may be made of polyvinyl chloride, polyethylene, rubber, and the like, and has flame retardant, fire resistant, low smoke and zero halogen properties. The inner insulating layer 102 may be plain non-woven fabric, light non-woven fabric, thin non-woven fabric, etc., and the inner insulating layer 102 has functions of protecting insulation, buffering, and padding, and plays different roles of insulating heat, or preventing corrosion, aging, etc. to the cable insulation or the inner sheath 10 layer during the use of the charging cable 100.

Referring to fig. 1, in one embodiment, the cable filler 17 is one of polypropylene mesh filler rope, glass fiber rope, inorganic paper rope, hemp rope and fan-shaped filler strip.

In this embodiment, the tensile strength and the enhanced flexibility of the charging cable 100 are increased, and the internal structure of the cable is stable and is not easy to shake.

Please refer to fig. 1-2 in combination, the utility model provides a charging gun, this charging gun includes positive terminal, negative terminal and charging cable 100, and the positive terminal is connected to charging cable 100's partial power sinle silk 11 electricity, and the negative terminal is connected to charging cable 100's partial power sinle silk 11 electricity. Since the charging gun adopts all the technical schemes of all the embodiments, at least all the beneficial effects brought by the technical schemes of the embodiments are achieved, and the detailed description is omitted.

Referring to fig. 1-2, the present invention provides a charging device, which includes a charging gun, and the specific structure of the charging gun is as described in the above embodiments.

In this embodiment, the charging apparatus further includes a power pump and a radiator, the liquid cooling pipe 14 of the charging cable 100 is respectively communicated with the power pump and the radiator, the power pump is used for conveying the cooling liquid to the liquid cooling pipe 14, and the radiator is used for cooling the cooling liquid. In this embodiment, when using charging cable 100 to charge, the coolant liquid in the cooling tube flows, and charging cable 100 can produce the heat in charging process, thereby can take away the heat that charging cable 100 produced when the coolant liquid flows and cool off charging cable 100, and the cooling effect of coolant liquid is guaranteed to the radiator, like this, can use thinner cable to reach and bear the weight of heavy current and can not lead to transshipping.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the inventive concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A charging cable (100), characterized in that the charging cable (100) comprises:

a sheath (10);

the power cable comprises a plurality of power cable cores (11), wherein the power cable cores (11) are uniformly arranged in a sheath (10), the power cable cores (11) are enclosed to form a first gap (12), a plurality of second gaps (13) are enclosed between the power cable cores (11) and the inner wall surface of the sheath (10), a liquid cooling pipe (14) is arranged in each power cable core (11), and the liquid cooling pipes (14) are used for circulating cooling liquid;

a plurality of functional wire core groups (15), wherein the plurality of functional wire core groups (15) are respectively arranged in the plurality of second gaps (13);

-a ground wire (16), said ground wire (16) being housed in said second gap (13); and

the cable filler (17) is filled in the first gap (12) and is arranged at intervals with the functional wire core group (15).

2. The charging cable (100) according to claim 1, wherein each power wire core (11) comprises a surface layer (111), a copper braided layer (112) and the liquid cooling pipe (14) which are arranged in sequence from outside to inside, and an inner surface and an outer surface of the copper braided layer (112) are respectively tightly attached to an outer surface of the liquid cooling pipe (14) and an inner surface of the surface layer (111).

3. The charging cable (100) according to claim 1, wherein the plurality of power cores (11) comprises a positive pole core and a negative pole core, the positive pole core and the negative pole core being equal in number.

4. The charging cable (100) according to claim 3, wherein the number of the positive wire cores and the negative wire cores is two, the positive wire cores and the negative wire cores are symmetrically arranged, and the outer wall surfaces of the positive wire cores and the negative wire cores are tightly attached to the inner wall surface of the sheath (10).

5. Charging cable (100) according to claim 4, characterized in that any two adjacent liquid-cooled tubes (14) are in communication with each other.

6. The charging cable (100) according to any one of claims 3 to 5, wherein the sheath (10) comprises an outer insulating layer (101) and an inner insulating layer (102) in close contact, an inner wall surface of the inner insulating layer (102) being in close contact with outer wall surfaces of the positive and negative cores.

7. The charging cable (100) according to any one of claims 1 to 5, wherein the cable filler (17) is one of polypropylene mesh filler rope, glass fiber rope, inorganic paper rope, hemp rope and fan-shaped filler strip.

8. A charging gun, comprising:

a positive electrode terminal;

a negative terminal; and

the charging cable (100) according to any one of claims 1 to 7, wherein a portion of the power core (11) of the charging cable (100) is electrically connected to the positive terminal and a portion of the power core (11) of the charging cable (100) is electrically connected to the negative terminal.

9. A charging device, comprising:

the charging gun of claim 8.

10. The charging device of claim 9, further comprising a power pump and a heat sink, wherein the liquid-cooled tube of the charging cable is in communication with the power pump and the heat sink, respectively, the power pump is configured to deliver a cooling fluid to the liquid-cooled tube, and the heat sink is configured to cool the cooling fluid.