CN218471622U

CN218471622U - Charging cable and charging gun

Info

Publication number: CN218471622U
Application number: CN202222014258.XU
Authority: CN
Inventors: 徐文军; 伍宏仁; 杨腾
Original assignee: Shenzhen Woer Heat Shrinkable Material Co Ltd; Shenzhen Woer New Energy Electric Technology Co Ltd
Current assignee: Shenzhen Woer New Energy Electric Technology Co Ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-02-10
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a charging cable and rifle that charges, wherein the charging cable includes the oversheath, the inside of oversheath is formed with the installation cavity, be provided with anodal group, negative pole group, ground connection group and supplementary group independent each other in the installation cavity, anodal group the negative pole group ground connection group and the extending direction of supplementary group is parallel. The utility model discloses aim at solving the problem of the inconvenient maintenance of current rifle that charges.

Description

Charging cable and charging gun

Technical Field

The utility model relates to a connector technical field, in particular to charging cable and rifle that charges.

Background

With the popularization of new energy, more and more vehicles using electricity as energy in the market at present have increased, and the charging demand is increased. In daily life, there are many unconventional electric vehicles such as electric forklifts, sanitation vehicles, etc., which are used in bad environments and are charged frequently.

However, such vehicles use the standard dc charging gun for charging electric vehicles, which is not only costly to use but also complex to maintain.

SUMMERY OF THE UTILITY MODEL

The utility model provides a charging cable and rifle that charges aims at solving the current inconvenient problem of rifle maintenance that charges. In order to achieve the above object, the utility model provides a charging cable, include:

the wire winding structure comprises an outer sheath, wherein a mounting cavity is formed in the outer sheath, a positive wire group, a negative wire group, a grounding wire group and an auxiliary wire group which are independent of one another are arranged in the mounting cavity, and the extension directions of the positive wire group, the negative wire group, the grounding wire group and the auxiliary wire group are parallel.

Preferably, the positive electrode wire group is a DC + wire, and the negative electrode wire group is a DC-wire; and/or the positive wire group and the negative wire group are respectively bare conductors, and the peripheral surfaces of the bare conductors are coated with insulating layers.

Preferably, the auxiliary line group includes a signal line and/or an auxiliary power line, and the signal line and/or the auxiliary power line are twisted to form a conductive line.

Preferably, the outer sheath is made of wear-resistant flexible materials.

Preferably, the outer sheath is a cloth-sandwiched rubber tube.

Furthermore, for realizing above-mentioned purpose, the utility model discloses still provide a rifle that charges, the rifle that charges includes rifle head assembly and aforementioned charging cable, the cavity has been seted up in the rifle head assembly, charging cable's one end is inserted in the cavity.

Preferably, the gun head assembly comprises a terminal, the terminal is arranged in the cavity, and one end of the charging cable is connected with the terminal.

Preferably, the charging gun further comprises a connecting piece, one end of the connecting piece is connected with the gun head assembly, and the other end of the connecting piece locks the charging cable.

Preferably, the connecting piece is a PG head, and the PG head is in threaded connection with the gun head assembly.

Preferably, the charging gun comprises a handheld portion, and the handheld portion is arranged on the outer side of the gun head assembly.

In the technical scheme provided by the embodiment of the utility model, the cable is wrapped by the outer sheath to prevent the internal cable from being worn and bent excessively, thereby improving the safety performance of the cable; meanwhile, the positive wire group, the negative wire group, the grounding wire group and the auxiliary wire group are arranged in an independent mode, so that only the wire group with the fault is required to be drawn out and replaced when the charging gun has the fault, the maintenance is convenient, and the maintenance cost is effectively reduced; in addition, the arrangement of the independent wire groups in the outer sheath has a better heat dissipation effect than the integrated cable.

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 schematic structural diagram of an embodiment of the charging cable of the present invention;

fig. 2 is a schematic structural view 1 of an embodiment of the charging gun of the present invention;

fig. 3 is a schematic structural diagram 2 of an embodiment of the charging gun of the present invention.

The reference numbers illustrate:

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 accompanying 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 of the present invention, all other embodiments obtained by a person skilled in the art without making 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 interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating 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 meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. 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.

The unconventional electric vehicle has a severe use environment and is charged frequently. When the conventional charging gun is used for charging the electric vehicle, the wires in the cable are damaged due to the problems of environment, service life and the like, and the maintenance is inconvenient and the maintenance cost is too high.

To this end, the present invention proposes a charging cable 100.

Referring to fig. 1, an embodiment of the present invention provides a charging cable 100, including:

the cable comprises an outer sheath 110, wherein an installation cavity is formed inside the outer sheath 110, a positive wire set, a negative wire set, a ground wire set and an auxiliary wire set 120 which are independent of each other are arranged in the installation cavity, and the extending directions of the positive wire set, the negative wire set, the ground wire set and the auxiliary wire set 120 are parallel.

In the technical scheme adopted by the embodiment, the outer sheath 110 is arranged to wrap the cable so as to prevent the cable from being worn and bent excessively, thereby improving the safety performance of the cable; meanwhile, the positive wire set, the negative wire set, the grounding wire set and the auxiliary wire set 120 are arranged in an independent manner, so that when the charging gun fails, only the wire set with the failure needs to be drawn out and replaced, the maintenance is convenient, and the maintenance cost is effectively reduced; in addition, providing the wire groups independent of each other in the outer jacket 110 has a better heat dissipation effect than the integrated cable.

Specifically, the positive electrode line group and the negative electrode line group may be either a direct current or an alternating current, and this is not particularly limited. The grounding wire group can be a PE wire and is used for grounding an exposed conductive part of the electric device, can be directly connected with an electrode which is irrelevant to the working grounding of a power supply point and can also be grounded through a power supply neutral point.

Optionally, the positive electrode wire group is a DC + wire, and the negative electrode wire group is a DC-wire; and/or the positive wire group and the negative wire group are respectively bare conductors, and the peripheral surfaces of the bare conductors are coated with insulating layers.

In the technical scheme adopted by the embodiment, the DC + line is a positive electrode direct current line, the DC-line is a negative electrode direct current line, the direct current line is adopted for charging, the power is high, the phenomenon that a user waits for too long time can be avoided, and the application range is wide, such as a gas station, a high-speed service area and the like.

In addition, the insulating layer coated on the outer peripheral surface of the bare conductor is used for isolating the conductors from each other and the conductor from the outer sheath 110, has certain electric pressure resistance, heat resistance and insulating property, and can ensure the safe conduction of the conductor.

In addition, the material of the insulating layer can be oil-immersed cable paper, plastic, rubber and the like.

Optionally, the auxiliary line set 120 includes a signal line and/or an auxiliary power line, and the signal line and/or the auxiliary power line are twisted to form one conductive line.

In the technical solution adopted in this embodiment, the auxiliary wire set 120 includes a signal line and/or an auxiliary power line, where the signal line is used to connect a communication signal between the charger and the electric vehicle, and the state information of the battery of the electric vehicle is obtained in time during the charging process, so as to improve the working efficiency of the charging gun, protect the battery of the electric vehicle, and prolong the service life of the battery. In addition, the auxiliary cord set 120 may further include a charging connection confirmation cord for confirming whether the charging cord 100 and the power port are connected in place.

In addition, the signal line and/or the auxiliary power line are twisted to form one conductive line. The method is more suitable for occasions with higher working frequency and overlarge skin effect and proximity effect loss of single-stranded wires. Meanwhile, the use of the stranded wire can reduce the operating temperature of the charging cable 100, and compared with a single stranded wire with the same sectional area, the stranded wire has higher mechanical property and flexibility.

Optionally, the outer sheath 110 is made of a wear-resistant flexible material.

In the technical scheme adopted by the embodiment, the outer sheath 110 is made of wear-resistant flexible material, so that the internal wire set can be well prevented from being worn and excessively bent, and the service life of the internal wire set is prolonged.

Wherein the wear-resistant flexible material can be various rubbers.

Optionally, the outer sheath 110 is a cloth-sandwiched rubber tube.

In the technical scheme adopted in this embodiment, the fabric-sandwiched rubber tube is used as the outer sheath 110, wherein the fabric-sandwiched rubber tube is composed of an inner rubber layer, a plurality of fabric-sandwiched woven or cord thread winding layers, and an outer rubber layer, and has the characteristics of small tolerance of outer diameter, oil resistance, heat resistance, excellent performance, portability, soft tube body, durability and the like.

In addition, in order to achieve the above object, the present invention further provides a charging gun, as shown in fig. 2 to 3, the charging gun includes a gun head assembly 200 and the charging cable 100, a cavity is formed in the gun head assembly 200, and one end of the charging cable 100 is inserted into the cavity. The specific structure of the charging cable 100 refers to the above-described embodiment. Since the charging cable 100 adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here.

Further, the gun head assembly 200 includes a terminal, the terminal is disposed in the cavity, and one end of the charging cable 100 is connected to the terminal.

In the technical scheme adopted by the embodiment, the terminal is used for realizing the electrical connection between the charging cable 100 and the gun head assembly 200, and the welding or winding of a wire is not needed, so that the use is very convenient and fast.

Further, the charging gun further comprises a connecting piece, one end of the connecting piece is connected with the gun head assembly 200, and the other end of the connecting piece locks the charging cable 100.

Alternatively, the connection member is a PG head 300, and the PG head 300 is threadedly coupled to the gun head assembly 200.

In the technical solution adopted in this embodiment, the PG head 300 is also called a cable connector, and is used to lock and fix the charging cable 100, so as to play a role in water resistance, dust resistance, and vibration resistance.

Further, the PG head 300 may be plastic or metal, and is not particularly limited thereto. And one of the PG head 300 and the gun head assembly 200 may be internally threaded and the other of the PG head 300 and the gun head assembly 200 may be externally threaded.

Further, the charging gun includes a hand-held portion 400, and the hand-held portion 400 is disposed outside the gun head assembly 200.

In the technical scheme adopted by this embodiment, the handheld portion 400 is arranged outside the gun head assembly 200, so that a user can conveniently take the charging gun.

Specifically, the shape of the handheld portion 400 may be a circular ring shape or other irregular shapes that facilitate hand holding, which is not limited in particular.

The above is only the optional embodiment of the present invention, and not 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 attached drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. The charging cable is characterized by comprising an outer sheath, wherein an installation cavity is formed inside the outer sheath, an anode wire group, a cathode wire group, a grounding wire group and an auxiliary wire group which are independent of each other are arranged in the installation cavity, and the extension directions of the anode wire group, the cathode wire group, the grounding wire group and the auxiliary wire group are parallel.

2. The charging cable of claim 1, wherein the positive wire set is a DC + wire and the negative wire set is a DC-wire; and/or the positive wire group and the negative wire group are respectively bare conductors, and the peripheral surfaces of the bare conductors are coated with insulating layers.

3. The charging cable according to claim 1, wherein the auxiliary line group includes a signal line and/or an auxiliary power line, and the signal line and/or the auxiliary power line are twisted to form one conductive line.

4. The charging cable according to claim 1, wherein the outer sheath is made of a wear-resistant flexible material.

5. The charging cable of claim 4, wherein the outer sheath is a cloth-sandwiched rubber tube.

6. A charging gun, comprising:

the gun head assembly is internally provided with a cavity; and

a charging cable according to any one of claims 1 to 5, one end of the charging cable being inserted into the cavity.

7. The charging gun of claim 6, wherein the gun head assembly comprises a terminal disposed in the cavity, and wherein one end of the charging cable is connected to the terminal.

8. The charging gun according to claim 6, further comprising a connector, wherein one end of the connector is connected to the gun head assembly, and the other end of the connector locks the charging cable.

9. The charging gun according to claim 8, wherein the coupling member is a PG head that is threadably connected to the gun head assembly.

10. The charging gun according to claim 6, wherein the charging gun comprises a hand-held portion, and the hand-held portion is provided outside the gun head assembly.