CN110281791B - High-performance special charging cable for new energy automobile - Google Patents

High-performance special charging cable for new energy automobile Download PDF

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Publication number
CN110281791B
CN110281791B CN201910395998.2A CN201910395998A CN110281791B CN 110281791 B CN110281791 B CN 110281791B CN 201910395998 A CN201910395998 A CN 201910395998A CN 110281791 B CN110281791 B CN 110281791B
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China
Prior art keywords
plate
movable plate
cable body
fixed
hole
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CN201910395998.2A
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Chinese (zh)
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CN110281791A (en
Inventor
郑连元
姚恒斌
齐宏文
冯国五
胡士来
梁国华
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Yangzhou Qinkai Information Technology Co ltd
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Yangzhou Qinkai Information Technology Co ltd
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/18—Cables specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for electric vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/02—Cables with twisted pairs or quads
    • H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0045—Cable-harnesses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H01B7/0208—Cables with several layers of insulating material
    • H01B7/0225—Three or more layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Abstract

The application discloses a high-performance special charging cable for a new energy automobile, which comprises a cable body and a protection device, wherein the outermost layer of the cable body is a protection sleeve, the outer side wall of the protection sleeve is provided with a plurality of strip-shaped grooves extending along the length direction of the cable body, the protection device comprises a controller and a shell, the shell comprises a first side plate, a second side plate, a top plate, a bottom plate, a front plate and a rear plate, an upper through hole and a lower through hole are formed in the first side plate, the cable body penetrates through the upper through hole and the lower through hole, a spiral pipeline penetrated by the cable body is fixedly installed in the shell, a fixed plate is fixedly installed in the shell, a scheduling pulley is installed on the fixed plate, a lower movable plate is further arranged in the shell, the lower movable plate is connected with the upper movable plate through a spring, and the upper movable plate is provided with a plurality of movable pulleys. The charging cable disclosed by the application has the advantages of good insulation, flame retardance, shielding and torsion resistance, free winding and unwinding and long service life.

Description

High-performance special charging cable for new energy automobile
Technical Field
The application relates to the field of cables, in particular to a high-performance special charging cable for a new energy automobile.
Background
The new energy automobile is an automobile which adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel automobile-mounted power device) and integrates the advanced technology in the aspects of power control and driving of the automobile, and the formed technical principle is advanced, and the automobile has a new technology and a new structure. The novel energy automobile is matched with a large number of charging piles, some of the charging piles are installed in an indoor parking lot, some of the charging piles are installed in an outdoor parking lot, charging cables of the charging piles installed in the outdoor parking lot are exposed to a rainwater environment for a long time, the charging cables between the charging gun and the charging piles are repeatedly pulled and twisted no matter in the indoor parking lot or the outdoor parking lot, the cables are easy to damage after long-term use, and the cables are scattered on the ground, so that the cables are easy to damage, and potential safety hazards to users exist.
Disclosure of Invention
The application aims to: the application aims to overcome the defects of the prior art and provides a high-performance special charging cable for a new energy automobile.
The technical scheme is as follows: the utility model provides a high performance special type charging cable for new energy automobile, includes cable body and protection device, the outermost protective sheath that is of cable body, the lateral wall of protective sheath has a plurality of bar recess that extend along cable body length direction, protection device includes controller and casing, the casing includes first curb plate, second curb plate, roof, bottom plate, front panel and rear panel, first curb plate department has last through-hole and lower through-hole, the cable body passes last through-hole and lower through-hole, fixed mounting has by the helical duct that the cable body passed in the casing, still fixed mounting has the fixed plate in the casing, the fixed plate is installed one and is arranged the pulley, still have down the fly leaf in the casing, the fly leaf has last fly leaf through spring coupling, go up fly leaf department and install one row of fly leaf, first curb plate department is fixed with first support, and first support department installs the bearing frame, bottom plate department installs the motor, is connected with the lead screw between motor and the bearing frame, second curb plate department is fixed with second curb plate department and second support have the fixed plate, the fixed plate and the fixed plate has one to pass through the annular groove by one, the annular groove is located the annular groove is equal to all to the fixed number of the inside diameter of guide roller and the fixed plate, the annular groove is located down.
The charging cable is mainly provided with the protection device matched with the charging cable on the basis of the existing charging cable, so that the charging cable has a protection effect on the cable, the winding and the unwinding of the cable are more free, and the cable is more durable.
Further, the number of the strip-shaped grooves of the cable body is 4, the number of the guide rollers of each limiting structure is 4, and adjacent guide rollers in the same limiting structure are distributed at equal intervals. The number of the limit structures in the spiral tube is more than or equal to 5.
Through increasing limit structure for protection device not only can receive freely line and unwrapping wire, can also carry out spacingly to the removal of the circumferencial direction of cable body, thereby prevent to twist excessively to the cable body, thereby reach antitorque purpose.
Further, the spiral pipe is connected with an air inlet pipe, and a fan and a heating unit are arranged on the air inlet pipe; the spiral tube comprises a first port and a second port, a cable body extending from the first port passes through the upper through hole, and the cable body extending from the second port passes through the movable pulley at the upper movable plate; the length of the spiral pipe from the connecting point of the air inlet pipe and the spiral pipe to the first port is a first length, the length of the spiral pipe from the connecting point of the air inlet pipe and the spiral pipe to the second port is a second length, and the absolute value of the difference between the first length and the second length is smaller than 0.5 meter; the upper through hole comprises a brush part, the brush part comprises a circular brush base fixed with the upper through hole and brush hairs fixed on the brush base, the lower through hole comprises a sealing ring fixedly connected with the lower through hole, and a cable body penetrating through the sealing ring is fixedly connected with the sealing ring through sealing glue.
Through increasing the intake pipe, can carry out the operation of drying to the cable body in the spiral pipe to prevent the surface of cable body and adhere to moisture for a long time, be favorable to further improving the life of cable body.
Further, the number of the fixed pulleys and the movable pulleys is 5, and the cable body sequentially and alternately passes through the fixed pulleys and the movable pulleys; the first side plate and the second side plate of the shell are respectively provided with a plurality of ventilation holes, and one end of each ventilation hole, which is close to the inside of the shell, is higher than one end, which is close to the outside of the shell.
Further, the operation panel is provided with a change-over switch, and the change-over switch can switch the protection device between a wire-collecting state and a non-wire-collecting state; a tension sensor is connected between the upper movable plate and the lower movable plate, a first stay rope is connected between the tension sensor and the upper movable plate, and a second stay rope is connected between the tension sensor and the lower movable plate; when the protection device is switched from a non-winding state to a winding state, the controller controls the motor to enable the lower movable plate to be at a first height; when the protection device is in a non-winding state, if the measured value of the tension sensor is larger than a set threshold value and the height of the lower movable plate is smaller than or equal to a second height, the controller controls the motor to rotate positively, and when the motor rotates positively, the lower movable plate rises; the second height is greater than the first height.
Further, when the lower movable plate is at the first height, the distance between the fixed plate and the lower movable plate is a first distance; when the lower movable plate is at the second height, the distance between the fixed plate and the lower movable plate is a second distance; the length of the coil between the coil first port and the second port is greater than ten times the difference between the first pitch and the second pitch.
By means of the mode, the upper movable plate and the lower movable plate can be controlled conveniently, and when a user pulls the cable body outwards, the driving motor can play an auxiliary role.
Further, when the protection device is in a non-winding state, if the measured value of the tension sensor is larger than the set threshold value and the height of the lower movable plate is smaller than or equal to the second height, the controller controls the motor to rotate positively at a first speed at a constant speed.
Further, when the protection device is switched from the non-winding state to the winding state, the controller controls the heating unit and the fan to be simultaneously turned on for a set time and then to be simultaneously turned off; the set time is preferably 2 minutes, 5 minutes or 10 minutes.
Further, the cable body sequentially comprises a protective sleeve, an outer protective layer, an armor layer, an outer flame-retardant layer and an outer insulating layer from outside to inside; the external insulation layer is internally provided with a framework with a cross-shaped section, the cross-shaped framework comprises a central core wire and 4 sheet-shaped separation parts which are connected with the central core wire and extend along the length direction of the cable body, the external insulation layer is internally provided with three power core wires and one signal core wire, and the power core wires sequentially comprise a first inner protection layer, a first inner flame-retardant layer, a first inner insulation layer and a first conductor from outside to inside; the signal core wire sequentially comprises a second inner protective layer, a first shielding layer and a second inner insulating layer from outside to inside, a plurality of second conductors are arranged in the second inner insulating layer, a third insulating layer is coated outside the second conductors, a second shielding layer is arranged outside the third insulating layer, and all the second shielding layers are located in the second inner insulating layer.
The beneficial effects are that: compared with the prior art, the automobile charging cable has the following advantages:
1. the fixed pulley, the movable pulley and the spiral pipe are matched to realize the coiling, uncoiling and torsion resistance of the cable body, so that the service life of the charging cable can be effectively prolonged, and the field use environment of the charging pile is safer (potential safety hazard caused by scattering of the cable on the ground is avoided)
2. The cable pulling-out device can automatically sense the pulling-out action of the cable, and the motor is started to help pull out the cable, so that the cable is more labor-saving and convenient to use;
3. the cable in the spiral pipe can be dried, so that the long-term adhesion of moisture to the cable is avoided;
4. the cable is less susceptible to physical damage because it is housed within the protective device when not in use.
5. The cable body realizes the integrated manufacture of the power core wire and the signal information, and has good torsion resistance, flame retardance, insulation and shielding performance.
6. The charging cable disclosed by the application is wide in application range, and the existing charging pile can be refitted according to the structure of the charging cable without replacing the charging pile, so that the charging cable has good adaptability.
Drawings
FIG. 1 is a schematic diagram of a charging cable;
FIG. 2 is a schematic cross-sectional view in the direction A-A' of the area A in FIG. 1.
Detailed Description
Reference numerals: 1.1 a first side plate; 1.2 a second side panel; 1.5 breather holes; 2, a spiral tube; 2.1 air inlet pipe; 2.3 a heating unit; 2.4 fans; 2.5 fixing rings; 2.6 guide rollers; 3.1 a brush arrangement; 3.2 sealing rings; 4.1 fixing plate; 4.2 fixed pulleys; 4.3, a movable plate is arranged on the upper part; 4.4 moving pulleys; 4.5 springs; 4.6 lower movable plate; 4.7 screw rods; 4.8 polish rod; 5.1 a first pull rope; 5.2 a second pull rope; 5.3 a tension sensor; 10 a cable body; 10.1 protective sleeve; 10.2 an outer sheath; 10.3 armor layers; 10.4 outer flame retardant layer; 10.5 an outer insulating layer; 13.1 a central core wire; 13.2 sheet-like partitions; 11.1 a first inner sheath; 11.2 a first inner flame retardant layer; 11.3 a first inner insulating layer; 11.4 a first conductor; 12.1 a second inner sheath; 12.2 a first shielding layer; 12.3 a second inner insulating layer; 12.4 a second conductor; 12.5 a third insulating layer; 12.6 second shielding layer.
The high-performance special charging cable for the new energy automobile comprises a cable body and a protection device, wherein the outermost layer of the cable body is a protective sleeve 10.1, the outer side wall of the protective sleeve is provided with a plurality of strip-shaped grooves extending along the length direction of the cable body, the protection device comprises a controller and a shell, wherein the shell comprises a first side plate 1.1, a second side plate 1.2, a top plate, a bottom plate, a front panel and a rear panel, the first side plate is provided with an upper through hole and a lower through hole, the cable body passes through the upper through hole and the lower through hole, a spiral pipeline 2 penetrated by the cable body is fixedly arranged in the shell, a fixing plate 4.1 is also fixedly arranged in the shell, the fixed plate 4.1 is provided with a row pulley 4.2, the shell is internally provided with a lower movable plate 4.6, the lower movable plate 4.6 is connected with an upper movable plate 4.3 through a spring 4.5, a row of movable pulleys 4.4 are arranged at the upper movable plate, a first bracket is fixed at the first side plate, a bearing seat is arranged at the first bracket, a bearing is arranged at the bearing seat, a motor is arranged at the bottom plate, a screw rod 4.7 is connected between the motor and the bearing, a second bracket is fixed at the second side plate, a polish rod 4.8 is connected between the second bracket and the bottom plate, the lower movable plate 4.6 is provided with a threaded hole penetrated by the screw rod 4.7 and a smooth hole penetrated by the polish rod 4.8, the cable body 10 passes through all fixed pulleys 4.2 and movable pulleys 4.4, a plurality of limiting structures are arranged in the spiral pipeline, the limiting structure comprises a fixed ring 2.5 and a plurality of guide rollers 2.6 positioned at the inner side of the fixed ring 2.5, the fixed ring 2.5 is fixed on the inner side wall of the spiral pipeline, and the number of the guide rollers of each limiting structure is equal to the number of the strip-shaped grooves of the cable body 10 and corresponds to one. The number of the strip-shaped grooves of the cable body 10 is 4, the number of the guide rollers of each limiting structure is 4, and the adjacent guide rollers in the same limiting structure are distributed at equal intervals. The number of the limit structures in the spiral tube 2 is more than or equal to 5.
As shown in fig. 1-2, the place where the cable body is fixed with the seal ring is fixed, the place where the cable body passes through the brush part is movable, the upper and lower movable plates can be lifted and lowered by pulling out the cable body, and the cable body moves along the spiral pipe. The brush part can be used for placing dust and cleaning rainwater.
The air inlet pipe 2.1 is connected to the spiral pipe 2, and a fan 2.4 and a heating unit 2.3 are arranged on the air inlet pipe 2.1; the spiral tube 2 comprises a first port and a second port, a cable body extending from the first port passes through the upper through hole, and a cable body 10 extending from the second port passes through the movable pulley 4.4 at the upper movable plate 4.3; the length of the spiral pipe from the connection point of the air inlet pipe 2.1 and the spiral pipe 2 to the first port is a first length, the length of the spiral pipe from the connection point of the air inlet pipe 2.1 and the spiral pipe 2 to the second port is a second length, and the absolute value of the difference between the first length and the second length is smaller than 0.5 meter; the upper through hole comprises a brush part 3.1, the brush part 3.1 comprises a circular brush base fixed with the upper through hole and brush hairs fixed on the brush base, the lower through hole comprises a sealing ring 3.2 fixedly connected with the lower through hole, and a cable body 10 penetrating through the sealing ring 3.2 is fixedly connected with the sealing ring 3.2 through sealing glue. The number of the fixed pulleys 4.2 and the movable pulleys 4.4 is 5, and the cable body 10 sequentially and alternately passes through the fixed pulleys 4.2 and the movable pulleys 4.4; the first side plate and the second side plate of the shell are respectively provided with a plurality of ventilation holes 1.5, and one end of each ventilation hole 1.5, which is close to the inside of the shell, is higher than one end of each ventilation hole, which is close to the outside of the shell.
In addition, since many of the charging piles are installed outdoors, the cable body may adhere to moisture during use and cannot be dried for a long time, and if the moisture enters the inside of the charging piles along the cable body, damage to electrical equipment may be caused. The cable body is also disadvantageous to the cable body itself by attaching moisture for a long time, so that the means is designed. The air inlet pipe is used for drying the inside of the spiral pipe, and the inlet air flow is sprayed out from the outlets at the two ends of the spiral pipe, so that the drying efficiency is high. And because the length of spiral pipe is longer, when the movable plate moves between first height and second height down, stretch out the cable outside the through-hole when charging (only this part cable can adhere to moisture, and the cable in the protection device is can not adhere to moisture), when this part cable withdraw in the protection device, only can be in screwed pipe department and can not be in between fixed plate and the movable plate down, consequently only the cable body in the screwed pipe can adhere to moisture, consequently blow hot-blast can effectively detach the moisture that adheres to on the screwed pipe cable body in the screwed pipe through the intake pipe.
The operation panel is provided with a change-over switch which can switch the protection device between a wire-collecting state and a non-wire-collecting state; a tension sensor 5.3 is connected between the upper movable plate 4 and the lower movable plate 4.6, a first stay cord 5.1 is connected between the tension sensor 5.3 and the upper movable plate 4.3, and a second stay cord 5.2 is connected between the tension sensor 5.3 and the lower movable plate 4.6; when the protection device is switched from the non-winding state to the winding state, the controller controls the motor to enable the lower movable plate 4.6 to be at the first height; when the protection device is in a non-winding state, if the measured value of the tension sensor is larger than a set threshold value and the height of the lower movable plate is smaller than or equal to a second height (the controller can know the position of the lower movable plate at any time through controlling the motor), the controller controls the motor to rotate positively, and when the motor rotates positively, the lower movable plate 4.6 rises; the second height is greater than the first height. When the lower movable plate 4.6 is at the first height, the space between the fixed plate 4.1 and the lower movable plate 4.6 is a first space; when the lower movable plate 4.6 is at the second height, the distance between the fixed plate 4.1 and the lower movable plate 4.6 is a second distance; the length of the coil between the first port and the second port of the coil 2 is greater than ten times the difference between the first pitch and the second pitch. When the protection device is in a non-winding state, if the measured value of the tension sensor is larger than a set threshold value and the height of the lower movable plate 4.6 is smaller than or equal to the second height, the controller controls the motor to rotate positively at a first speed at a constant speed. When the protection device is switched from a non-winding state to a winding state, the controller controls the heating unit and the fan to be simultaneously turned on for a set time and then to be simultaneously turned off; the set time is preferably 2 minutes, 5 minutes or 10 minutes.
Through setting up a plurality of movable pulleys and a plurality of fixed pulleys, probably extend longer cable body in limited space, when the user outwards pulls cable body, can make the fly leaf upwards move to the measured value grow of tension sensor, thereby the motor makes the fly leaf upwards move down, thereby supplementary pull out cable body. After the use is finished, the movable plate can be switched into a winding state through the change-over switch, so that the motor automatically moves down the movable plate, the cable body is retracted into the protection device, and the drying operation is automatically started, so that the water is dried. According to the scheme, the drying operation can be performed every time the winding state is switched, the communication interface can be set more intelligently, so that the controller can receive real-time weather information, the controller can increase the weather information to perform judgment when judging, the drying operation is increased when the rainy weather is switched to the winding state, and the drying operation is not increased when the rainy weather is switched to the winding state in sunny days.
The cable body sequentially comprises a protective sleeve 10.1, an outer protective layer 10.2, an armor layer 10.3, an outer flame retardant layer 10.4 and an outer insulating layer 10.5 from outside to inside; the external insulation layer 10.5 is internally provided with a framework with a cross-shaped section, the cross-shaped framework comprises a central core wire 13.1 and 4 sheet-shaped separation parts 13.2 which are connected with the central core wire and extend along the length direction of the cable body, the external insulation layer 10.5 is internally provided with three power core wires and one signal core wire, and the power core wires sequentially comprise a first inner protection layer 11.1, a first inner flame-retardant layer 11.2, a first inner insulation layer 11.3 and a first conductor 11.4 from outside to inside; the signal core wire sequentially comprises a second inner protective layer 12.1, a first shielding layer 12.2 and a second inner insulating layer 12.3 from outside to inside, a plurality of second conductors 12.4 are arranged in the second inner insulating layer 12.3, a third insulating layer 12.5 is coated outside the second conductors 12.4, a second shielding layer 12.6 is arranged outside the third insulating layer 12.5, and all the second shielding layers 12.6 are positioned in the second inner insulating layer. The application provides a design form of a cable body, but other forms of cable bodies are selected and used within the protection scope of the application, and in addition, the cable body integrates a plurality of power core wires and a plurality of signal core wires, so that the cable body has better effects on electric power transmission and signal transmission, and has better insulation, flame retardance and shielding performance. The material can be a conventional material, for example, the protective sleeve can be made of rubber; the flame-retardant layer can be a low-smoke halogen-free flame-retardant layer; the insulating layer can be a polyethylene insulating layer; the skeleton unit can be made of nylon.
While the application has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the scope of the application as defined in the following claims.

Claims (4)

1. The utility model provides a high performance special type charging cable for new energy automobile, its characterized in that includes cable body and protection device, the outermost of cable body is the protective sheath, the lateral wall of protective sheath has a plurality of bar grooves that extend along cable body length direction, protection device includes controller and casing, the casing includes first curb plate, second curb plate, roof, bottom plate, front panel and rear panel, first curb plate department has upper through-hole and lower through-hole, the cable body passes upper through-hole and lower through-hole, fixed mounting has the helical duct that is passed by the cable body in the casing, still fixed mounting has the fixed plate in the casing, the fixed plate is installed one and is arranged the pulley, still have the movable plate down in the casing, the movable plate is connected with the upper movable plate through the spring, the movable plate department is installed one row of movable pulley, first curb plate department is fixed with first support, and first support department installs the bearing frame, the bottom plate department installs the motor, be connected with between motor and the bearing frame, the second curb plate department has the helical duct that passes between the fixed ring and the fixed ring of fixed number of the fixed ring and the fixed ring that have the fixed ring is passed by the limit structure and the guide roll is fixed with the limit-stop block, the number of the fixed ring is equal to the inside the guide roll structure is passed by the annular duct and the fixed to the fixed number of the guide roll in the annular duct; the spiral pipe is connected with an air inlet pipe, and a fan and a heating unit are arranged on the air inlet pipe; the spiral tube comprises a first port and a second port, and a cable body extending from the first port passes through the upper through hole; the length of the spiral pipe from the connecting point of the air inlet pipe and the spiral pipe to the first port is a first length, the length of the spiral pipe from the connecting point of the air inlet pipe and the spiral pipe to the second port is a second length, and the absolute value of the difference between the first length and the second length is smaller than 0.5 meter; the upper through hole comprises a brush part, the brush part comprises a circular brush base fixed with the upper through hole and brush hairs fixed on the brush base, the lower through hole comprises a sealing ring fixedly connected with the lower through hole, and a cable body penetrating through the sealing ring is fixedly connected with the sealing ring through sealing glue; the number of the fixed pulleys and the movable pulleys is equal to 5, and the cable body sequentially and alternately passes through the fixed pulleys and the movable pulleys; the first side plate and the second side plate of the shell are respectively provided with a plurality of ventilation holes, and one end of each ventilation hole, which is close to the inside of the shell, is higher than one end of each ventilation hole, which is close to the outside of the shell; the operation panel is provided with a change-over switch which can switch the protection device between a wire-collecting state and a non-wire-collecting state; a tension sensor is connected between the upper movable plate and the lower movable plate, a first stay rope is connected between the tension sensor and the upper movable plate, and a second stay rope is connected between the tension sensor and the lower movable plate; when the protection device is switched from a non-winding state to a winding state, the controller controls the motor to enable the lower movable plate to be at a first height; when the protection device is in a non-winding state, if the measured value of the tension sensor is larger than a set threshold value and the height of the lower movable plate is smaller than or equal to a second height, the controller controls the motor to rotate positively, and when the motor rotates positively, the lower movable plate rises; the second height is greater than the first height; when the protection device is in a non-winding state, if the measured value of the tension sensor is larger than a set threshold value and the height of the lower movable plate is smaller than or equal to a second height, the controller controls the motor to rotate positively at a first speed at a constant speed; when the protection device is switched from a non-winding state to a winding state, the controller controls the heating unit and the fan to be simultaneously turned on for a set time and then to be simultaneously turned off; the set time is 2 minutes, 5 minutes or 10 minutes; the cable body sequentially comprises a protective sleeve, an outer protective layer, an armor layer, an outer flame-retardant layer and an outer insulating layer from outside to inside; the external insulation layer is internally provided with a framework with a cross-shaped section, the cross-shaped framework comprises a central core wire and 4 sheet-shaped separation parts which are connected with the central core wire and extend along the length direction of the cable body, the external insulation layer is internally provided with three power core wires and one signal core wire, and the power core wires sequentially comprise a first inner protection layer, a first inner flame-retardant layer, a first inner insulation layer and a first conductor from outside to inside; the signal core wire sequentially comprises a second inner protective layer, a first shielding layer and a second inner insulating layer from outside to inside, a plurality of second conductors are arranged in the second inner insulating layer, a third insulating layer is coated outside the second conductors, a second shielding layer is arranged outside the third insulating layer, and all the second shielding layers are located in the second inner insulating layer.
2. The high-performance special charging cable for new energy automobiles according to claim 1, wherein the number of the strip-shaped grooves of the cable body is 4, the number of the guide rollers of each limiting structure is 4, and the adjacent guide rollers in the same limiting structure are distributed at equal intervals.
3. The high-performance special charging cable for new energy automobiles according to claim 1, wherein the number of limit structures in the spiral tube is more than or equal to 5.
4. The high-performance special charging cable for new energy vehicles according to claim 1, wherein when the lower movable plate is at the first height, a distance between the fixed plate and the lower movable plate is a first distance; when the lower movable plate is at the second height, the distance between the fixed plate and the lower movable plate is a second distance; the length of the coil between the coil first port and the second port is greater than ten times the difference between the first pitch and the second pitch.
CN201910395998.2A 2019-05-14 2019-05-14 High-performance special charging cable for new energy automobile Active CN110281791B (en)

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CN113526262A (en) * 2021-06-23 2021-10-22 安徽工程大学 Charging pile take-up and pay-off device

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CN207225114U (en) * 2017-08-17 2018-04-13 江苏迅电畅达电源科技有限公司 A kind of Intellectualized electric automobile charging pile
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CN208271664U (en) * 2018-01-24 2018-12-21 浙江东信机械有限公司 A kind of cable drying equipment of high-efficiency environment friendly
CN208393144U (en) * 2018-01-22 2019-01-18 安徽百科智能科技有限公司 A kind of entirety floor type electrically automobile intelligent alternating-current charging pile

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106368A (en) * 1959-04-20 1963-10-08 Atomic Energy Authority Uk Cable winding apparatus
CN104751961A (en) * 2013-12-31 2015-07-01 深圳市联嘉祥科技股份有限公司 Anti-twisting self-supporting cable and manufacturing method thereof
CN207225114U (en) * 2017-08-17 2018-04-13 江苏迅电畅达电源科技有限公司 A kind of Intellectualized electric automobile charging pile
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