CN218585664U - Vehicle charging cable - Google Patents

Abstract

The utility model relates to a vehicle charging cable, including cable core and outer jacket, the cable core includes control core, power sinle silk, earth core and interior line core, and the transposition is for the soft conductor between control core, power sinle silk, earth core and the interior line core, and the outer jacket cladding is in the cable core outside. The power cable is used for transmitting the electric energy, carry out the kinetic energy supply for the car, the earth core makes electrically conductive exposes the part and connects with the ground, form the equipotential, even the electric leakage like this, the electric current can flow to the ground through the earth connection, thereby prevent the human electric shock, the control core passes through transmission control signal, the power supply state of digital control cable, the existence of interior line core makes cable core inner structure inseparable, be favorable to reinforcing cable's wearability and stretching resistance, the outer jacket cladding is in the cable core outside, can also better protection inside sinle silk when increasing the wearability. Therefore, the vehicle charging cable has good safety performance, and better guarantees the safety of human bodies and vehicles when in use.

Description

Vehicle charging cable

Technical Field

The utility model relates to a cable technical field especially relates to a vehicle charging cable.

Background

In recent years, with the vigorous development of the automobile industry, especially the continuous development of new energy automobiles, the market potential of automobiles is continuously released, the holding capacity of automobiles, especially the holding capacity of household automobiles, is rapidly increased, and the safety of vehicle charging cables as carriers of automobile information transmission is a focus of attention in the industry.

Vehicle charging cable need pull the cable to the vehicle and insert the kneck in the use, pull the in-process cable and can lead to cable wearing and tearing with ground contact inevitable to increase the risk of electrocuteeing.

Therefore, the safety performance of a common vehicle charging cable is poor, and the safety of a human body and a vehicle cannot be well guaranteed in the using process.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a vehicle charging cable having good safety performance in view of the above technical problems.

The utility model provides a vehicle charging cable, includes cable core and outer jacket, the cable core includes control core, power sinle silk, earth core and interior line core, the transposition is for the flexible conductor between control core, power sinle silk, earth core and the interior line core, the outer jacket cladding in the cable core outside.

In one embodiment, the number of the control wire cores is three, the control wire cores are respectively a first control wire core and a second control wire core, the first control wire core and the second control wire core are composed of a columnar adhesive tape, a control wire and a first woven layer, the columnar adhesive tape is twisted with the control wire, and the first woven layer is coated on the outer side of the columnar adhesive tape and the control wire.

In one embodiment, the first control wire core is formed by twisting five control wires and one columnar rubber strip, and the second control wire core is formed by twisting four control wires and one columnar rubber strip.

In one embodiment, the control line comprises a first conductor and a first insulating layer, and the first insulating layer is wrapped outside the first conductor.

In one embodiment, the number of the power wire cores is two, each power wire core comprises a second conductor, a second insulating layer and a second braided layer, the second insulating layer covers the outer side of the second conductor, and the second braided layer covers the outer side of the second insulating layer.

In one embodiment, the ground core has an outer diameter smaller than that of the power core, and the ground core includes a third conductor, a third insulating layer and a third braided layer, wherein the third insulating layer covers the outside of the third conductor, and the third braided layer covers the outside of the third insulating layer.

In one embodiment, the inner wire core comprises stranded steel wires and tubular colloid, and the tubular colloid is coated on the outer sides of the stranded steel wires.

Above-mentioned vehicle charging cable, the power cable is used for transmitting the electric energy, carry out the kinetic energy supply for the car, the earth core makes electrically conductive exposed part and ground connect, form the equipotential, even electric leakage like this, the electric current can flow to the ground through the earth connection, thereby prevent the human electric shock, the control core passes through transmission control signal, the power supply state of digital control cable, the setting of interior sinle silk makes cable core inner structure compact, be favorable to strengthening the wearability and the stretching resistance of cable, the outer jacket cladding is in the cable core outside, the protection cable core that can also be better when increasing the wearability. Therefore, the vehicle charging cable has good safety performance, and better guarantees the safety of human bodies and vehicles when in use.

Drawings

FIG. 1 is a schematic cross-sectional view of a vehicle charging cable according to an embodiment;

fig. 2 is a schematic cross-sectional view of the first control line core of the present embodiment.

In the figure: 100. a control wire core; 110. a first control wire core; 120. a second control wire core; 111. a columnar adhesive tape; 112. a control line; 113. a first conductor; 114. a first insulating layer; 115. a first woven layer; 200. a power wire core; 210. a second conductor; 220. a second insulating layer; 230. a second woven layer; 300. a ground wire core; 310. a third conductor; 320. a third insulating layer; 330. a third woven layer; 400. an inner wire core; 410. stranding steel wires; 420. a tubular adhesive tape; 500. an outer jacket.

Detailed Description

To make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used in the description of the present application are for illustrative purposes only and do not represent the only embodiments.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or may simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the description of the present application, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, in one embodiment, a vehicle charging cable includes a cable core and an outer sheath 500, the cable core includes a control core 100, a power core 200, a ground core 300 and an inner core 400, the control core 100, the power core 200, the ground core 300 and the inner core 400 are twisted into a flexible conductor, and the outer sheath 500 covers the outside of the cable core.

Above-mentioned vehicle charging cable, the power cable is used for transmitting the electric energy, carry out the kinetic energy supply for the car, the earth core makes electrically conductive exposed part and ground connect, form the equipotential, even electric leakage like this, the electric current can flow to the ground through the earth connection, thereby prevent the human electric shock, the control core passes through transmission control signal, the power supply state of digital control cable, the setting of interior sinle silk makes cable core inner structure compact, be favorable to strengthening the wearability and the stretching resistance of cable, the outer jacket cladding is in the cable core outside, the protection cable core that can also be better when increasing the wearability. Therefore, the vehicle charging cable has better safety performance, and better guarantees the safety of human bodies and vehicles when in use.

In this embodiment, the control core 100 sets up to three and is a first control core 110 and two second control cores 120 respectively, first control core 110 and second control core 120 are by column adhesive tape 111, control line 112 and first weaving layer 115 are constituteed, wherein, the control line 112 quantity that first control core 110 and second control core 120 have is different, first control core 110 is formed by the transposition of a column adhesive tape 111 and five control lines 112, and outside cladding first weaving layer 115, second control core 120 is formed by the transposition of a column adhesive tape 111 and four control lines 112, and outside cladding first weaving layer 115, column adhesive tape 111 makes control core 100 whole more round, the reinforcing wearability, the encirclement of first weaving layer 115 makes inside control line 112 can be stranded inseparabler when being protected.

In this embodiment, the control line 112 is composed of a first conductor 113 and a first insulating layer 114 covering the first conductor 113, wherein the first conductor 113 is a tin-plated annealed copper wire containing polyester filaments, so that the first conductor 113 has a relatively small resistance, and the polyester filaments contained in the first conductor improve the toughness of the control line 112, so that the drag resistance of the cable is improved.

In this embodiment, the number of the power cable core 200 is two, the power cable core 200 includes a second conductor 210, a second insulating layer 220 and a second braid 230, the second insulating layer 220 covers the second conductor 210, and the second braid 230 covers the second insulating layer 220. The ground wire core 300 is set to be one, the outer diameter of the ground wire core 300 is smaller than that of the power wire core 200, the ground wire core 300 comprises a third conductor 310, a third insulating layer 320 and a third braided layer 330, the third insulating layer 320 is wrapped on the outer side of the third conductor 310, and the third braided layer 330 is wrapped on the outer side of the third insulating layer 320. The second conductor 210 and the third conductor 310 are wrapped by layers, so that the second conductor 210 and the third conductor 310 are protected from being damaged. The second conductor 210 and the third conductor 310 are made of tin-plated annealed copper wires, so that the cable has the excellent characteristics of high temperature resistance, long service life, high flexibility, high water resistance, high conductivity and the like.

In the present embodiment, ethylene propylene rubber is used for first insulating layer 114, second insulating layer 220, and third insulating layer 320, and semiconductive nylon tapes are used for first braid 115, second braid 230, and third braid 330. The ethylene propylene rubber takes ethylene and propylene as main raw materials, so that the first insulating layer, the second insulating layer and the third insulating layer have high chemical stability, good heat resistance, small thermal expansion rate, good moisture resistance, aging resistance and wear resistance, and the electrical and mechanical properties of the material are hardly reduced after the material is soaked in water. The semiconductor nylon band has the electromagnetic interference shielding function, protects the first insulating layer, the second insulating layer and the third insulating layer from or less from the corrosion of various light, heat, tide, low temperature, acid-base gas and external mechanical force, and ensures the safe operation of the cable.

In this embodiment, the first control core 110 and the second control core 120 are respectively disposed between the power core 200 and the ground core 300, so that the control cores 100 are separated from each other without disturbing each other, which is beneficial to the accuracy and timeliness of digital control.

In this embodiment, the inner wire core 400 is composed of a twisted steel wire 410 and a tubular rubber strip 420, wherein the tubular rubber strip 420 is wrapped outside the twisted steel wire 410. The use of stranded steel wires 410 improves the drag strength of the cable and improves stress distribution. The tubular rubber strip 420 is coated outside the stranded steel wire 410, so that the stranded steel wire 410 is prevented from damaging the power wire core 200, the ground wire core 300 and the control wire core 100.

In this embodiment, the inner core 400 is located in the middle of the cable core, and the first control core 110, the second control core 120, the power core 200 and the ground core 300 are all arranged around the inner core 400, so that the cable is overall round, the probability that the outer layer of the same cable is rubbed is the same, and the overall service life of the cable is prolonged.

In this embodiment, the outer jacket 500 is made of chlorinated polyethylene, and the chlorinated polyethylene material has the characteristics of bending resistance, impact resistance, low temperature resistance, wear resistance, chemical corrosion resistance and the like, so that the service life of the high-speed cable is prolonged, and the safety is improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.

Claims (7)

1. The utility model provides a vehicle charging cable, includes cable core and outer jacket, its characterized in that, the cable core includes control core, power core, earth core and interior line core, the transposition is the flexible conductor between control core, power core, earth core and the interior line core, the outer jacket cladding in the cable core outside.

2. The vehicle charging cable according to claim 1, wherein the number of the control wire cores is three, and the control wire cores are respectively a first control wire core and two second control wire cores, the first control wire core and the second control wire core are composed of a columnar rubber strip, a control wire and a first woven layer, the columnar rubber strip is twisted with the control wire, and the first woven layer is coated on the outer side of the columnar rubber strip.

3. The vehicle charging cable according to claim 2, wherein the first control wire core is formed by twisting five control wires and one columnar rubber strip, and the second control wire core is formed by twisting four control wires and one columnar rubber strip.

4. The vehicle charging cable of claim 3, wherein the control wire includes a first conductor and a first insulating layer, the first insulating layer coating an outer side of the first conductor.

5. The vehicle charging cable of claim 1, wherein the number of the power wire cores is two, and the power wire core includes a second conductor, a second insulating layer, and a second braid, the second insulating layer covering the outside of the second conductor, and the second braid covering the outside of the second insulating layer.

6. The vehicle charging cable of claim 1, wherein the ground core outer diameter is smaller than the power core outer diameter, the ground core including a third conductor, a third insulating layer, and a third braid layer, the third insulating layer covering an outer side of the third conductor, the third braid layer covering an outer side of the third insulating layer.

7. The vehicle charging cable of claim 1, wherein the inner wire core comprises stranded steel wires and a tubular gel, and the tubular gel is coated outside the stranded steel wires.

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