WO2018094927A1 - 电缆、导线及充电设备冷却系统 - Google Patents

电缆、导线及充电设备冷却系统 Download PDF

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Publication number
WO2018094927A1
WO2018094927A1 PCT/CN2017/078016 CN2017078016W WO2018094927A1 WO 2018094927 A1 WO2018094927 A1 WO 2018094927A1 CN 2017078016 W CN2017078016 W CN 2017078016W WO 2018094927 A1 WO2018094927 A1 WO 2018094927A1
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WO
WIPO (PCT)
Prior art keywords
cooling
charging
cable
conductor
circulating fluid
Prior art date
Application number
PCT/CN2017/078016
Other languages
English (en)
French (fr)
Inventor
周诚智
Original Assignee
深圳市沃尔核材股份有限公司
深圳市沃尔新能源电气科技股份有限公司
深圳市沃尔特种线缆有限公司
常州市沃尔新材有限公司
乐庭电线工业（惠州）有限公司
惠州乐庭电子线缆有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201611059979.5A external-priority patent/CN106409412A/zh
Priority claimed from CN201710024815.7A external-priority patent/CN106849227A/zh
Priority claimed from CN201710024836.9A external-priority patent/CN106849228A/zh
Priority claimed from CN201710086833.8A external-priority patent/CN106849238B/zh
Application filed by 深圳市沃尔核材股份有限公司, 深圳市沃尔新能源电气科技股份有限公司, 深圳市沃尔特种线缆有限公司, 常州市沃尔新材有限公司, 乐庭电线工业（惠州）有限公司, 惠州乐庭电子线缆有限公司 filed Critical 深圳市沃尔核材股份有限公司
Publication of WO2018094927A1 publication Critical patent/WO2018094927A1/zh

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Classifications

    • 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
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; 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
    • H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating

Definitions

  • the present invention relates to an electric vehicle charging apparatus, and more particularly to a cable, a wire constituting the cable, and a charging device cooling system to which the cable is applied.
  • Cars are a means of increasing penetration.
  • the operation of automobiles is inseparable from gasoline, and the exhaust emissions of automobiles cause global warming and environmental degradation, which seriously affect all aspects of the environment.
  • gasoline resources are increasingly exhausted, and human beings have to pay attention to this point.
  • New environmentally-friendly renewable energy is the mainstay of the future market, so electric vehicles are a new territory for future development.
  • Electric vehicles use charging as a power source, and electric energy consumption is fast. In the charging process, it is necessary to ensure full mileage to ensure the mileage of driving, and prevent electric vehicles from being unable to drive in the middle without energy.
  • Most of the existing electric vehicles satisfy the charging demand through a charging gun, and the charging gun functions as a bridge connecting the electric vehicle and the charging pile.
  • Patent CN106104949A discloses a charging cable comprising an independently arranged charging conductor and a cooling duct in the outer sheath of the charging cable.
  • the charging conductor and the cooling duct of this patent are independently provided, and the cooling duct cannot sufficiently dissipate the charging conductor, resulting in poor heat dissipation of the charging cable.
  • the main object of the present invention is to provide a cable, which aims to provide a cable with good heat dissipation efficiency and simple structure.
  • the present invention provides a cable including a plurality of main line conductors and a main line insulating layer covering each main line conductor, and a cooling tube is disposed inside the main line conductor, and the cooling tube is internally transported for cooling The refrigerant fluid of the main line conductor.
  • the plurality of main line conductors include a first main line conductor and a second main line conductor, and the inside of the first main line conductor and the second main line conductor are each provided with the cooling tube.
  • a cooling circuit between the cooling pipe in the first main line conductor and the cooling pipe in the second main wire conductor forms a circuit, and the refrigerant fluid flowing from one of the cooling pipes flows out through the other cooling pipe.
  • connection end between the cooling pipe in the first main line conductor and the cooling pipe in the second main line conductor is connected by a rotating U-shaped pipe.
  • cooling tube is disposed concentrically with the main line conductor.
  • the cable further includes an outer jacket, the main wire conductor being disposed within the outer jacket.
  • the cable is a charging cable, and a ground conductor and a signal line conductor are further disposed in the outer sheath.
  • a filler material is further disposed in the outer sheath.
  • the pipe of the cooling pipe is polyurethane or silica gel or Teflon.
  • the present invention also provides a wire comprising a conductor, inside which is provided a cooling pipe, and a cooling fluid for cooling the conductor is transmitted inside the cooling pipe.
  • the present invention also provides a charging device cooling system including a charging cable including a plurality of main line conductors and a main line insulating layer covering each main line conductor, and a cooling tube is disposed inside the main line conductor, the cooling A refrigerant fluid for cooling the main line conductor is transmitted inside the tube.
  • the charging device cooling system further includes a charging socket, a motor, a battery, a radiator, a circulation pump, and a circulating fluid pipe, and the charging socket, the charging cable, the motor, and/or the battery are connected in series through a circulating fluid pipe and passed through a circulation
  • the fluid pipe takes away heat, and the circulating fluid pipe transfers heat to the radiator for heat dissipation, and the driving force of the liquid in the circulating fluid pipe is provided by the circulation pump.
  • the circulation pump, the radiator, the motor and/or the battery, the charging cable and the charging socket have fluid inlet and outlet interfaces, and the circulation pump, the radiator, the motor and/or the battery, the charging cable and the charging socket are connected by the hose.
  • the hose is the circulating fluid conduit.
  • the charging device cooling system further includes a charging gun, a charging cable, a power module, a radiator, a circulation pump, and a circulating fluid pipe, the circulating fluid pipe is internally provided with a cooling liquid, the charging gun, a charging cable, and a power source
  • the modules are connected in series by circulating fluid pipes and carry heat away through the circulating fluid pipes.
  • the circulating fluid pipes transfer heat to the radiator for heat dissipation, and the driving force of the liquid in the circulating fluid pipes is provided by the circulation pump.
  • the circulation pump, the radiator, the power module, the charging cable and the charging gun all have a fluid inlet and outlet interface, and the circulating pump, the radiator, the power module, the charging cable and the charging gun are connected in series by a hose.
  • the hose is the circulating fluid conduit.
  • the charging device cooling system further includes a charging gun, a charging cable, a radiator, a circulation pump, and a circulating fluid pipe, wherein the circulating fluid pipe is internally provided with a cooling liquid, and the charging gun and the charging cable are connected in series through a circulating fluid pipe.
  • the circulating fluid pipeline transfers heat to the radiator for heat dissipation, and the driving force of the coolant in the circulating fluid pipeline is provided by a circulation pump having a terminal cooling tank, the terminal cooling tank In order to abut the terminal insulation insulation liquid cooling tank, the terminal cooling tank has a liquid inlet and a liquid outlet, the coolant of the circulating fluid pipeline flows into the terminal cooling tank through the fluid inlet, and the coolant in the terminal cooling tank flows out through the liquid outlet and Entering the circulating fluid conduit.
  • the circulation pump, the radiator, the charging cable and the charging gun have a fluid inlet and outlet interface, and the circulation pump, the radiator, the charging cable and the charging gun are connected in series by a hose, and the hose is in the cycle Fluid pipe.
  • the charging gun comprises a gun head, a main line terminal and a cooling slot cover
  • the gun head has a terminal cavity
  • the main line terminal is disposed in the terminal cavity
  • the cooling slot cover is fixed with the gun head
  • the cooling slot cover is provided with the The terminal cooling slot and the terminal fixing groove, one end of the main line terminal is received in the terminal fixing groove, and the liquid inlet and the liquid outlet are disposed on the cooling tank cover.
  • the cooling tank cover includes a cooling tank front cover and a cooling tank rear cover, and the liquid inlet and the liquid outlet are disposed on the cooling tank rear cover.
  • liquid inlet and the liquid outlet are connected to the cooling pipe through a threaded interface
  • the threaded interface is provided with an external thread
  • the interface is provided in the threaded interface
  • the fastener is fixedly connected at one end
  • the fastener is provided with an internal thread. The fastener is fastened to the threaded interface, wherein the internal thread of the fastener is mated with the external thread of the threaded interface.
  • the cable of the present invention places the cooling tube within the main conductor to minimize conductor temperature.
  • the cable of the present invention can further improve the cooling efficiency and simplify the internal structure of the charging cable as compared with the existing charging cable with a cooling duct.
  • FIG. 1 is a schematic cross-sectional view showing an embodiment of a charging cable of the present invention
  • FIG. 2 is a perspective view of the charging cable of FIG.
  • FIG. 3 is a structural block diagram of a charging device cooling system according to a first embodiment of the present invention.
  • FIG. 4 is a cross-sectional structural view of a charging cable of an embodiment of the charging device cooling system of FIG. 3.
  • FIG. 5 is a structural block diagram of a charging device cooling system according to a second embodiment of the present invention.
  • FIG. 6 is a cross-sectional structural view of a charging cable of an embodiment of the charging device cooling system of FIG. 5.
  • FIG. 7 is a structural block diagram of a charging device cooling system according to a third embodiment of the present invention.
  • Figure 8 is a schematic view showing the structure of the gun head and the cooling slot cover of the charging gun shown in Figure 7;
  • FIG. 9 is a schematic structural view of a main line terminal, a cooling slot cover, a threaded interface, and a fastener before being fixed according to the present invention.
  • FIG. 10 is a cross-sectional structural view of a charging cable of an embodiment of the charging device cooling system of FIG. 7.
  • FIG. 10 is a cross-sectional structural view of a charging cable of an embodiment of the charging device cooling system of FIG. 7.
  • first, second, and the like in the present invention are used for the purpose of description only, and are not to be construed as indicating or implying their relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. It is also within the scope of protection required by the present invention.
  • a cable in one embodiment, includes a plurality of main line conductors and main line insulating layers 5, 6 covering each main line conductor, and a cooling tube is disposed inside the main line conductor.
  • a cooling fluid for cooling the main conductor is transported in a cooling pipe.
  • the cable of the present invention places the cooling tube in the main wire conductor to minimize the conductor temperature, so that the cable of the present invention can be applied to high current charging of various charging current specifications (such as 350A/400A/500A/600A), It can dissipate heat in time when charging at high current to ensure safe and reliable charging. Since the cable of the present invention can be used for charging at a large current and dissipating heat in time, the charging time when charging using the cable of the present invention is short.
  • the cable of the present invention since the cable of the present invention has a good heat dissipation effect, the cable of the present invention has a long service life, thereby saving cost.
  • the present invention places the cooling tube within the main conductor, thereby effectively reducing the volume of the cable.
  • the plurality of main line conductors include a first main line conductor 1 and a second main line conductor 3, and the interiors of the first main line conductor 1 and the second main line conductor 3 are each provided with the cooling tube 2, 4.
  • the cable may be a DC charging cable, the first main conductor 1 may be a DC+ main conductor, and the second main conductor 3 may be a DC-main conductor.
  • the cable of the invention can be applied to GB, IEC, SAE and other national standard charging interfaces.
  • the cooling tube 2 in the first main line conductor 1 and the cooling tube 4 in the second main line conductor 3 form a circuit that communicates with each other, and the cooling from one of the cooling tubes 2 flows. The fluid flows out through another cooling tube 4.
  • connection end of the cooling pipe 2 in the first main conductor 1 and the cooling pipe 4 in the second main conductor 3 is connected by a rotating U-tube (not shown).
  • the U-shaped tube only realizes one of the connection manners of the cooling tube 2 in the first main line conductor 1 and the cooling tube 4 in the second main line conductor 3, and any other can realize the inside of the first main line conductor 1.
  • the cooling pipe 2 and the cooling pipe 4 in the second main conductor 3 may be rotated, and may be, for example, a structure of a water tank.
  • the connecting end of the cooling pipe 2 in the first main conductor 1 of the present invention and the cooling pipe 4 in the second main conductor 3 is connected by a rotating U-tube, and the rotating U-tube firmly connects the cooling pipe 2 and the cooling pipe 4, and
  • the cooling pipe 2 and the cooling pipe 4 are respectively accommodated in the first main conductor 1 and the second main conductor 3 to ensure the reliability and safety of the cable under conditions such as dropping or rolling of the vehicle.
  • the cooling tube is concentric with the main conductor.
  • the cable further includes an outer jacket 7 disposed within the outer jacket 7.
  • a ground conductor 8 and a signal line conductor 9 are also disposed in the outer sheath 7.
  • the ground conductor 8 is covered with an insulating layer 10.
  • the signal line conductor 9 is covered with an insulating layer 11.
  • a filler material 12 is also disposed within the outer jacket 7.
  • the inner side of the outer sheath is provided with a shielding layer (not shown).
  • the tubing of the cooling tube is polyurethane (PU) or silica gel or Teflon.
  • a wire in another embodiment, includes a conductor, and a cooling tube is disposed inside the conductor, and a cooling fluid for cooling the conductor is transmitted inside the cooling tube.
  • the DC charging cable includes DC+, DC-two main line conductors. These main conductors are the main part of the heat generation, and the cooling tube is placed in the center of the two main conductors to minimize the conductor temperature.
  • the refrigerant fluid can pass from a cooling tube in a main conductor, through a rotating U-tube in the charging gun, or other heat exchange parts that lower the temperature of the terminal, and then pass through a cooling tube in the other main conductor.
  • the cooling tube can be any flexible tube such as PU, silica gel, or Teflon.
  • Teflon has the characteristics of thin wall, low resistance and high temperature resistance, and is particularly suitable for use in the present invention.
  • the invention arranges the cooling tube in the main line conductor, effectively reduces the cross section of the conductor, and the cooling tube has flexibility, and can be polyurethane or silica gel or Teflon, so that the cable is light in weight and tough. In one embodiment of the invention, 70% of the conductor cross section is saved.
  • One method of making the charging cable 100a, 100b, 100c of the present invention may be to first twist the copper conductor over the cooling tube and extrude it outside the copper conductor to form an insulator.
  • the two main conductors with insulators and other ground wires, signal wires, etc. are twisted again and extruded to form an outer jacket.
  • the cable of the present invention places the cooling tube within the main conductor to minimize conductor temperature.
  • the cable of the present invention can further improve the cooling efficiency and simplify the internal structure of the charging cable as compared with the existing charging cable with a cooling duct.
  • the charging device cooling system of the present invention includes a charging socket 200a, a charging cable 100a, a motor 300a, a battery 400a, a radiator 500a, a circulation pump 600a, and a circulating fluid conduit 700a.
  • the circulating fluid pipe 700a has a built-in coolant.
  • the charging outlet 200a, the charging cable 100a, the motor 300a, and/or the battery 400a are connected in series by a circulating fluid conduit 700a and carry heat away through the circulating fluid conduit 700a.
  • the circulating fluid conduit 700a transfers heat to the heat sink 500a for heat dissipation.
  • the driving force of the liquid in the circulating fluid conduit 700a is provided by the circulation pump 600a.
  • the circulating fluid conduit 700a is connected in series with at least one of the motor 300a, the battery 400a, preferably two.
  • the components for circulating heat of the circulating fluid pipe 700a in series are not limited to the above components, and any other components requiring heat dissipation may be connected in series through the circulating fluid pipe 700a for heat dissipation.
  • the circulation pump 600a, the heat sink 500a, the motor 300a and/or the battery 400a, the charging cable 100a, and the charging socket 200a have fluid inlet and outlet interfaces, and the circulation pump 600a, the heat sink 500a, The motor 300a and/or the battery 400a, the charging cable 100a, and the charging socket 200a are sequentially connected in series, and the hose is the circulating fluid conduit.
  • the charging cable 100a includes at least one main line conductor 101a and a main line insulating layer 102a covering the main line conductor 101a, and a cooling tube 103a is provided inside the main line conductor 101a, and the cooling tube 103a is provided.
  • a refrigerant fluid or a coolant for cooling the main wire conductor 101a is internally conveyed, and the cooling pipe 103a forms the circulating fluid pipe.
  • the cooling pipe 103a is disposed in the main wire conductor 101a to minimize the conductor temperature.
  • the charging cable adopts the cable of the present invention, which can further improve the cooling efficiency and simplify the internal structure of the charging cable as compared with the existing charging cable with a cooling duct.
  • the cable 200a also includes an outer jacket 104a.
  • the motor 300a is a circulating fluid cooled motor.
  • the battery 400a is a circulating fluid cooled battery pack.
  • the charging device cooling system of the present invention dissipates heat of the various components of the charging device, such as the charging socket 200a, the charging cable 100a, the motor 300a, and the battery 400a, through the circulating fluid conduit 700a, and the circulating fluid conduit 700a transfers heat to the heat sink 500a.
  • the heat is dissipated, which can dissipate the heat of each component to the outside in time, thus ensuring timely heat dissipation and ensuring safety.
  • the charging device cooling system of the present invention includes a charging gun 200b, a charging cable 100b, a power module 400b, a radiator 500b, a circulation pump 600b, and a circulating fluid conduit 700b.
  • the circulating fluid pipe 700b has a built-in coolant.
  • the charging gun 200b, the charging cable 100b, and the power module 400b are connected in series through the circulating fluid conduit 700b and carry heat away through the circulating fluid conduit 700b.
  • the circulating fluid conduit 700b transfers heat to the heat sink 500b for heat dissipation.
  • the driving force of the liquid in the circulating fluid pipe 700b is supplied from the circulation pump 600b.
  • the components for circulating heat of the circulating fluid pipe 700b in series are not limited to the above-described components, and any other components requiring heat dissipation may be connected in series through the circulating fluid pipe 700b for heat dissipation.
  • the circulation pump 600b, the heat sink 500b, the power module 400b, the charging cable 100b, and the charging gun 200b have fluid inlet and outlet interfaces, and the circulation pump 600b, the heat sink 500b, the power module 400b, The charging cable 100b and the charging gun 200b are connected in series, and the hose is the circulating fluid conduit.
  • the charging cable 100b includes at least one main line conductor 101b and a main line insulating layer 102b covering the main line conductor 101b, and a cooling tube 103b is provided inside the main line conductor 101b, and the cooling tube 103b is provided.
  • a refrigerant fluid or a coolant for cooling the main wire conductor 101b is internally conveyed, and the cooling pipe 103b forms the circulating fluid pipe.
  • the cooling pipe 103b is disposed in the main wire conductor 101b to minimize the conductor temperature.
  • the charging cable adopts the cable of the present invention, which can further improve the cooling efficiency and simplify the internal structure of the charging cable as compared with the existing charging cable with a cooling duct.
  • the cable 100b further includes an outer sheath 104b.
  • the power module 400b is a circulating fluid cooled power module.
  • the charging device cooling system of the present invention dissipates heat of various components of the charging device, such as the charging gun 200b, the charging cable 100b, and the power module 400b, through the circulating fluid conduit 700b, and the circulating fluid conduit 700b transfers heat to the heat sink 500b for heat dissipation.
  • This can timely dissipate the heat of each component to the outside world, thereby ensuring timely heat dissipation during high current charging and ensuring safe charging.
  • the charging device cooling system of the present invention includes a charging gun 200c, a charging cable 100c, a radiator 500c, a circulation pump 600c, and a circulating fluid conduit 700c.
  • the circulating fluid pipe 700c has a built-in coolant.
  • the charging gun 200c, the charging cable 100c, and the radiator 500c are connected in series through the circulating fluid pipe 700c and carry heat away through the circulating fluid pipe, and the circulating fluid pipe 700c transfers heat to the radiator 500c for heat dissipation, and the coolant in the circulating fluid pipe 700c is circulated.
  • the driving force is provided by the circulation pump 600c.
  • the circulation pump 600c, the radiator 500c, the charging cable 100c, and the charging gun 200c have fluid inlet and outlet interfaces, and the circulation pump 600c, the radiator 500c, the charging cable 100c, and the charging gun 200c are sequentially connected by a hose.
  • the hose is the circulating fluid conduit 700c.
  • the components for circulating heat of the circulating fluid pipe 700c in series are not limited to the above-described components, and any other components requiring heat dissipation may be connected in series through the circulating fluid pipe 700c for heat dissipation.
  • the charging gun 200c has a terminal cooling groove therein, which is a liquid cooling tank which is insulated from the terminal insulation, and has a liquid inlet and a liquid outlet.
  • the liquid of the circulating fluid conduit flows into the terminal cooling tank through the fluid inlet, and the liquid in the terminal cooling tank flows out through the liquid outlet and enters the circulating fluid conduit.
  • the charging gun 200c includes a gun head 201c, a main wire terminal 202c, and a cooling bath cover 203c.
  • the tip 201c has a terminal cavity (not shown), and the main wire terminal 202c is disposed in the terminal cavity.
  • the cooling tank cover 203c is fixed to the tip 201c, and the cooling tank cover 203c is provided with a terminal cooling groove 2033c and a terminal fixing groove 2034c.
  • One end of the main line terminal 202c is housed in the terminal fixing groove 2034c, and the liquid inlet 2035c and the liquid outlet 2036c are provided in the cooling tank cover 203c.
  • the cooling tank cover 203c includes a cooling tank cover 2031c and a cooling tank rear cover 2032c, and the liquid inlet 2035c and the liquid outlet 2036c are provided on the cooling tank rear cover 2032c.
  • the liquid inlet 2035c and the liquid outlet 2036c are connected to the cooling pipe 103c through the screw interface 204c.
  • the threaded interface 204c is provided with an external thread, and the threaded interface 204c is provided with an interface cavity.
  • the cooling pipe 103c is fixedly connected at one end.
  • the fastener 205c, the fastener 205c is provided with an internal thread, and the fastener 205c is fastened to the threaded interface 204c, wherein the internal thread of the fastener 205c is mated with the external thread of the threaded interface 204c.
  • the charging cable 100c includes at least one main line conductor 101c and a main line insulating layer 102c covering the main line conductor 101c.
  • a cooling pipe 103c is provided inside the main line conductor 101c, and the cooling pipe 103c is provided.
  • a refrigerant fluid or a coolant for cooling the main wire conductor 101c is internally conveyed, and the cooling pipe 103c forms the circulating fluid pipe.
  • the cooling pipe 103c is disposed in the main wire conductor 101c to minimize the conductor temperature.
  • the charging cable adopts the cable of the present invention, which can further improve the cooling efficiency and simplify the internal structure of the charging cable as compared with the existing charging cable with a cooling duct.
  • the cable 100c further includes an outer sheath 104c.
  • the charging device cooling system of the present invention dissipates heat from various components of the charging device, such as the charging gun 200c and the charging cable 100c, through the circulating fluid conduit 700c, and the circulating fluid conduit 700c transfers heat to the heat sink 500c for heat dissipation.
  • the heat of each component is dissipated to the outside world, thereby ensuring timely heat dissipation during high-current charging and ensuring safe charging.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

一种电缆、导线及应用该电缆的充电设备冷却系统。该电缆包括多根主线导体（1、3）和包覆各主线导体的主线绝缘层（5、6），在主线导体的内部设置有冷却管（2、4），冷却管内传输用于冷却主线导体的制冷流体。该导线包括导体，在导体的内部设置有冷却管，冷却管内传输用于冷却导体的制冷流体。该电缆和导线能够最大程度地降低导体温度。

Description

电缆、导线及充电设备冷却系统
技术领域
本发明涉及电动汽车充电设备，特别是涉及一种电缆、构成该电缆的导线及应用该电缆的充电设备冷却系统。
背景技术
汽车为一种普及率越来越高的交通工具。汽车的运行离不开汽油，而汽车尾气排放，导致全球气候变暖，环境恶化，严重影响环境各个方面，同时汽油作为不可再生能源，汽车资源日益枯竭，人类不得不重视此点。新的环保可再生能源成为未来市场的主体，因此电动汽车是未来发展的新领地。电动汽车通过充电作为动力来源，而电能消耗较快，在充电过程中要保证充满电才能确保行驶的里程，防止电动汽车不至于中途缺少能源而无法行驶。现有电动汽车大多是通过充电枪来满足其充电的需求，充电枪起到电动汽车与充电桩连接的桥梁作用。
电动汽车需要使用越来越大的充电电流，大电流会产生温升，温升会导致电动汽车的充电插座端发热量大，存在安全隐患。通常的降低温升的方法是：增大电缆的铜导体的截面积。然而，这种方法让线缆过于笨重，且柔韧性较差。专利CN106104949A公开了一种充电电缆，该充电电缆的外护套内包括独立设置的充电导体和冷却导管。然而，该专利的充电导体和冷却导管独立设置，该冷却导管不能对该充电导体进行充分的散热，导致该充电电缆的散热性较差。
因此，如何解决其散热将是能否快速充电及充电安全的重要问题。
发明内容
本发明的主要目的在于提供一种电缆，旨在提供一种散热效率佳、结构简单的电缆。
为解决上述技术问题，本发明提供一种电缆，其包括多根主线导体和包覆各主线导体的主线绝缘层，在所述主线导体的内部设置有冷却管，所述冷却管内传输用于冷却所述主线导体的制冷流体。
进一步地，所述多根主线导体包括第一主线导体和第二主线导体，所述第一主线导体和所述第二主线导体的内部各自设置有所述冷却管。
进一步地，所述第一主线导体内的冷却管与所述第二主线导体内的冷却管相互之间形成连通的回路，从其中一个冷却管流入的制冷流体经过另一个冷却管流出。
进一步地，所述第一主线导体内的冷却管与所述第二主线导体内的冷却管的连接端通过回转U型管连接。
进一步地，所述冷却管与所述主线导体同心设置。
进一步地，所述电缆还包括外护套，所述主线导体设置在所述外护套内。
进一步地，所述电缆为充电电缆，所述外护套内还设置有地线导体和信号线导体。
进一步地，所述外护套内还设置有填充材料。
进一步地，所述冷却管的管材为聚氨酯或硅胶或特氟龙。
本发明还提供一种导线，包括导体，在所述导体的内部设置有冷却管，所述冷却管内传输用于冷却所述导体的制冷流体。
本发明还提供一种充电设备冷却系统，包括充电电缆，所述充电电缆包括多根主线导体和包覆各主线导体的主线绝缘层，在所述主线导体的内部设置有冷却管，所述冷却管内传输用于冷却所述主线导体的制冷流体。
进一步地，所述充电设备冷却系统还包括充电插座、电机、电池、散热器、循环泵及循环流体管道，所述充电插座、充电电缆、电机和/或电池通过循环流体管道串联起来并通过循环流体管道带走热量，循环流体管道将热量传递至散热器进行散热，循环流体管道内的液体的驱动力由循环泵提供。
进一步地，所述循环泵、散热器、电机和/或电池、充电电缆及充电插座都有流体的进出接口，用软管将循环泵、散热器、电机和/或电池、充电电缆及充电插座依次串联起来，所述软管为所述循环流体管道。
进一步地，所述充电设备冷却系统还包括充电枪、充电电缆、电源模块、散热器、循环泵及循环流体管道，所述循环流体管道内置有冷却液，所述充电枪、充电电缆、及电源模块通过循环流体管道串联起来并通过循环流体管道带走热量，循环流体管道将热量传递至散热器进行散热，循环流体管道内的液体的驱动力由循环泵提供。
进一步地，所述循环泵、散热器、电源模块、充电电缆及充电枪都有流体的进出接口，用软管将循环泵、散热器、电源模块、充电电缆及充电枪依次将串联起来，所述软管为所述循环流体管道。
进一步地，所述充电设备冷却系统还包括充电枪、充电电缆、散热器、循环泵及循环流体管道，所述循环流体管道内置有冷却液，所述充电枪、充电电缆通过循环流体管道串联起来并通过循环流体管道带走热量，循环流体管道将热量传递至散热器进行散热，循环流体管道内的冷却液的驱动力由循环泵提供，所述充电枪内具有端子冷却槽，该端子冷却槽为紧贴端子绝缘隔绝的液体冷却槽，该端子冷却槽具有液体入口和液体出口，所述循环流体管道的冷却液通过流体入口流入端子冷却槽，端子冷却槽内的冷却液通过液体出口流出并进入所述循环流体管道内。
进一步地，所述循环泵、散热器、充电电缆及充电枪都有流体的进出接口，用软管将循环泵、散热器、充电电缆及充电枪依次串联起来，所述软管为所述循环流体管道。
进一步地，所述充电枪包括枪头、主线端子及冷却槽盖，枪头具有端子腔，主线端子设置于端子腔内，冷却槽盖与枪头固定在一起，冷却槽盖内设置有所述端子冷却槽和端子固定槽，主线端子一端收容于端子固定槽内，冷却槽盖上设置有所述液体入口和液体出口。
进一步地，所述冷却槽盖包括冷却槽前盖和冷却槽后盖，所述液体入口和液体出口设置于冷却槽后盖上。
进一步地，所述液体入口、液体出口通过螺纹接口连接冷却管，螺纹接口设置有外螺纹，螺纹接口内设置有接口腔，冷却管一端固定连接有紧固件，紧固件设置有内螺纹，紧固件紧固于螺纹接口，其中紧固件的内螺纹与螺纹接口的外螺纹配套连接。
本发明的电缆将冷却管设置在主线导体内，最大程度地降低导体温度。与现有的带冷却导管的充电电缆相比，本发明的电缆能够进一步提高制冷效率，且简化了充电电缆内部结构。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图示出的结构获得其他的附图。
图1为本发明充电电缆一种实施例的截面示意图；
图2为图1所示充电电缆的立体示意图
图3为本发明第一实施例的充电设备冷却系统的结构框图；
图4为图3所示充电设备冷却系统一实施例的充电电缆的截面结构示意图。
图5为本发明第二实施例的充电设备冷却系统的结构框图；
图6为图5所示充电设备冷却系统一实施例的充电电缆的截面结构示意图。
图7为本发明第三实施例的充电设备冷却系统的结构框图；
图8为本发明图7所示充电枪的枪头和冷却槽盖固定在一起的结构示意图；
图9为本发明主线端子、冷却槽盖、螺纹接口、紧固件固定前的结构示意图；
图10为图7所示充电设备冷却系统一实施例的充电电缆的截面结构示意图。
附图标号说明：
标号 名称 标号 名称
1 第一主线导体 104b 外护套
2 冷却管 200b 充电枪
3 第二主线导体 400b 电源模块
4 冷却管 500b 散热器
5 主线绝缘层 600b 循环泵
6 主线绝缘层 700b 循环流体管道
7 外护套 100c 充电电缆
8 地线导体 101c 主线导体
9 信号线导体 102c 主线绝缘层
10 绝缘层 103c 冷却管
11 绝缘层 104c 外护套
12 填充材料 200c 充电枪
100a 充电电缆 201c 枪头
101a 主线导体 202c 主线端子
102a 主线绝缘层 203c 冷却槽盖
103a 冷却管 2031c 冷却槽前盖
104a 外护套 2032c 冷却槽后盖
200a 充电插座 2033c 端子固定槽
300a 电机 2034c 冷却槽
400a 电池 2035c 液体入口
500a 散热器 2036c 液体出口
600a 循环泵 204c 螺纹接口
700a 循环流体管道 205c 紧固件
100b 充电电缆 500c 散热器
101b 主线导体 600c 循环泵
102b 主线绝缘层 700c 循环流体管道
103b 冷却管
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
需要说明，本发明实施例中所有方向性指示（诸如上、下、左、右、前、后……）仅用于解释在某一特定姿态（如附图所示）下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
另外，在本发明中涉及“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本发明要求的保护范围之内。
参阅图1和图2，在一种实施例中，一种电缆，包括多根主线导体和包覆各主线导体的主线绝缘层5、6，在所述主线导体的内部设置有冷却管，所述冷却管内传输用于冷却所述主线导体的制冷流体。
本发明的电缆将冷却管设置在主线导体内，最大程度地降低导体温度，使得本发明的电缆可应用于多种充电电流规格的大电流充电中（如350A/400A/500A/600A），同时在大电流充电时可及时散热来确保充电安全可靠。由于本发明的电缆可用于大电流充电，且散热及时，使得采用本发明的电缆进行充电时的充电时间较短。
进一步地，由于本发明的电缆的散热效果佳，使得本发明的电缆的使用寿命较长，从而节约了成本。
进一步地，本发明将冷却管设置在主线导体内，从而有有效地减小了电缆的体积。
在优选的实施例中，所述多根主线导体包括第一主线导体1和第二主线导体3，所述第一主线导体1和所述第二主线导体3的内部各自设置有所述冷却管2、4。所述电缆可以是直流充电电缆，第一主线导体1可以是DC+主线导体，第二主线导体3可以是DC-主线导体。本发明的电缆可适用于GB，IEC，SAE等各国标准充电接口。
在更优选的实施例中，所述第一主线导体1内的冷却管2与所述第二主线导体3内的冷却管4相互之间形成连通的回路，从其中一个冷却管2流入的制冷流体经过另一个冷却管4流出。
在更优选的实施例中，所述第一主线导体1内的冷却管2与所述第二主线导体3内的冷却管4的连接端通过回转U型管（未图示）连接。这里需要说明的是，U型管只是实现第一主线导体1内的冷却管2与第二主线导体3内的冷却管4的其中一种连接方式，其他任何能够实现第一主线导体1内的冷却管2与第二主线导体3内的冷却管4回转的方式均可，例如可以通过水槽的结构亦可。
本发明的第一主线导体1内的冷却管2与第二主线导体3内的冷却管4的连接端通过回转U型管连接，回转U型管将冷却管2和冷却管4牢固连接，且冷却管2和冷却管4分别容置于第一主线导体1与第二主线导体3内，确保电缆在跌落或车辆碾压等条件下的可靠性和安全性。
在优选的实施例中，所述冷却管与所述主线导体同心设置。
在优选的实施例中，作为充电电缆100a，100b，100c，所述电缆还包括外护套7，所述主线导体设置在所述外护套7内。所述外护套7内还设置有地线导体8和信号线导体9。地线导体8外包覆绝缘层10。信号线导体9外包覆绝缘层11。
在更优选的实施例中，所述外护套7内还设置有填充材料12。
在更优选的实施例中，所述外护套的内侧设置有屏蔽层（未图示）。
在优选的实施例中，所述冷却管的管材为聚氨酯（PU）或硅胶或特氟龙。
在另一种实施例中，一种导线，包括导体，在所述导体的内部设置有冷却管，所述冷却管内传输用于冷却所述导体的制冷流体。
根据一种实施例，直流充电电缆包括DC+、DC-两条主线导体。这些主线导体是发热的主要部分，将冷却管放在两条主线导体的中心，能够最大程度地降低导体温度。制冷流体可以从一条主线导体内的冷却管通过，经过充电枪内的回转U型管，或者其他降低端子温度的热交换零件后，从另一条主线导体内的冷却管通过。
冷却管可以是任何柔性管材，例如PU，硅胶，或者特氟龙。其中特氟龙有薄壁，低阻力，高耐温的特点，特别适用于本发明。本发明将冷却管设置在主线导体内，有效地减少了导体截面，冷却管具有柔性，可为聚氨酯或硅胶或特氟龙，使得电缆的质量较轻、且较韧。本发明一实施例中，节省了70%的导体截面。
制作本发明充电电缆100a，100b，100c的一种方法可以是首先在冷却管上绞合铜导体，再在铜导体外挤出形成绝缘体。将两条带有绝缘体的主线导体以及其他地线、信号线等再次绞合，并再挤出形成外护套。
本发明的电缆将冷却管设置在主线导体内，最大程度地降低导体温度。与现有的带冷却导管的充电电缆相比，本发明的电缆能够进一步提高制冷效率，且简化了充电电缆内部结构。
参阅图3，本发明充电设备冷却系统包括充电插座200a、充电电缆100a、电机300a、电池400a、散热器500a、循环泵600a和循环流体管道700a。
由于该充电设备冷却系统采用了上述充电电缆的所有实施例的全部技术方案，因此至少具有上述实施例的技术方案所带来的所有有益效果，在此不再一一赘述。
循环流体管道700a内置有冷却液。
充电插座200a、充电电缆100a、电机300a和/或电池400a通过循环流体管道700a串联起来并通过循环流体管道700a带走热量。循环流体管道700a将热量传递至散热器500a进行散热。循环流体管道700a内的液体的驱动力由循环泵600a提供。
循环流体管道700a至少串联电机300a、电池400a中的一个，优选两个都进行串联。当然，循环流体管道700a串联散热的部件并不局限于上述各部件，其他任何需要散热的部件也可通过循环流体管道700a串联起来进行散热。
作为本实施例的进一步改进，循环泵600a、散热器500a、电机300a和/或电池400a、充电电缆100a和充电插座200a都有流体的进出接口，用软管将循环泵600a、散热器500a、电机300a和/或电池400a、充电电缆100a和充电插座200a依次串联起来，所述软管为所述循环流体管道。
作为本实施例的进一步改进，请参阅图4，充电电缆100a包括至少一根主线导体101a和包覆主线导体101a的主线绝缘层102a，在主线导体101a的内部设置有冷却管103a，冷却管103a内传输用于冷却主线导体101a的制冷流体或冷却液，该冷却管103a形成所述循环流体管道。冷却管103a设置在主线导体101a内，最大程度地降低导体温度。充电电缆采用本发明的电缆，与现有的带冷却导管的充电电缆相比，能够进一步提高制冷效率，且简化了充电电缆内部结构。
另外，作为充电电缆，所述电缆200a还包括外护套104a。
作为本实施例的进一步改进，所述电机300a为循环流体冷却的电机。
作为本实施例的进一步改进，所述电池400a为循环流体冷却的电池组。
综上所述，本发明充电设备冷却系统通过循环流体管道700a对充电设备的各个部件例如充电插座200a、充电电缆100a、电机300a、电池400a进行散热，循环流体管道700a将热量传递至散热器500a进行散热，这能及时将各部件的热量散发至外界中去，从而能够确保各设备及时散热并能确保安全。
参阅图5，本发明充电设备冷却系统包括充电枪200b、充电电缆100b、电源模块400b、散热器500b、循环泵600b和循环流体管道700b。
由于该充电设备冷却系统采用了上述充电电缆的所有实施例的全部技术方案，因此至少具有上述实施例的技术方案所带来的所有有益效果，在此不再一一赘述。
循环流体管道700b内置有冷却液。
充电枪200b、充电电缆100b、电源模块400b通过循环流体管道700b串联起来并通过循环流体管道700b带走热量。循环流体管道700b将热量传递至散热器500b进行散热。循环流体管道700b内的液体的驱动力由循环泵600b提供。
循环流体管道700b串联散热的部件并不局限于上述各部件，其他任何需要散热的部件也可通过循环流体管道700b串联起来进行散热。
作为本实施例的进一步改进，循环泵600b、散热器500b、电源模块400b、充电电缆100b和充电枪200b都有流体的进出接口，用软管将循环泵600b、散热器500b、电源模块400b、充电电缆100b和充电枪200b依次串联起来，所述软管为所述循环流体管道。
作为本实施例的进一步改进，请参阅图6，充电电缆100b包括至少一根主线导体101b和包覆主线导体101b的主线绝缘层102b，在主线导体101b的内部设置有冷却管103b，冷却管103b内传输用于冷却主线导体101b的制冷流体或冷却液，该冷却管103b形成所述循环流体管道。冷却管103b设置在主线导体101b内，最大程度地降低导体温度。充电电缆采用本发明的电缆，与现有的带冷却导管的充电电缆相比，能够进一步提高制冷效率，且简化了充电电缆内部结构。
另外，作为充电电缆100b，所述电缆100b还包括外护套104b。
作为本实施例的进一步改进，所述电源模块400b为循环流体冷却的电源模块。
综上所述，本发明充电设备冷却系统通过循环流体管道700b对充电设备的各个部件例如充电枪200b、充电电缆100b、电源模块400b进行散热，循环流体管道700b将热量传递至散热器500b进行散热，这能及时将各部件的热量散发至外界中去，从而能够确保在大电流充电时及时散热并能确保充电安全。
请参阅图7，本发明充电设备冷却系统包括充电枪200c、充电电缆100c、散热器500c、循环泵600c和循环流体管道700c。
由于该充电设备冷却系统采用了上述充电电缆的所有实施例的全部技术方案，因此至少具有上述实施例的技术方案所带来的所有有益效果，在此不再一一赘述。
循环流体管道700c内置有冷却液。
充电枪200c、充电电缆100c、散热器500c通过循环流体管道700c串联起来并通过循环流体管道带走热量，循环流体管道700c将热量传递至散热器500c进行散热，循环流体管道700c内的冷却液的驱动力由循环泵600c提供。
作为本实施例的进一步改进，循环泵600c、散热器500c、充电电缆100c和充电枪200c都有流体的进出接口，用软管将循环泵600c、散热器500c、充电电缆100c和充电枪200c依次串联起来，软管为所述循环流体管道700c。
循环流体管道700c串联散热的部件并不局限于上述各部件，其他任何需要散热的部件也可通过循环流体管道700c串联起来进行散热。
充电枪200c内具有端子冷却槽，该端子冷却槽为紧贴端子绝缘隔绝的液体冷却槽，该端子冷却槽具有液体入口和液体出口。循环流体管道的液体通过流体入口流入端子冷却槽，端子冷却槽内的液体通过液体出口流出并进入所述循环流体管道内。
请参阅图8和图9，在本实施例中，充电枪200c包括枪头201c、主线端子202c和冷却槽盖203c。枪头201c具有端子腔（图中未示），主线端子202c设置于端子腔内。冷却槽盖203c与枪头201c固定在一起，冷却槽盖203c内设置有端子冷却槽2033c和端子固定槽2034c。主线端子202c一端收容于端子固定槽2034c内，冷却槽盖203c上设置有所述液体入口2035c和液体出口2036c。
作为本实施例的进一步改进，所述冷却槽盖203c包括冷却槽盖2031c和冷却槽后盖2032c，所述液体入口2035c和液体出口2036c设置于冷却槽后盖2032c上。
作为本实施例的进一步改进，所述液体入口2035c、液体出口2036c通过螺纹接口204c连接冷却管103c，螺纹接口204c设置有外螺纹，螺纹接口204c内设置有接口腔，冷却管103c一端固定连接有紧固件205c，紧固件205c设置有内螺纹，紧固件205c紧固于螺纹接口204c，其中紧固件205c的内螺纹与螺纹接口204c的外螺纹配套连接。
请参阅图10，作为本实施例的进一步改进，充电电缆100c包括至少一根主线导体101c和包覆主线导体101c的主线绝缘层102c，在主线导体101c的内部设置有冷却管103c，冷却管103c内传输用于冷却主线导体101c的制冷流体或冷却液，该冷却管103c形成所述循环流体管道。冷却管103c设置在主线导体101c内，最大程度地降低导体温度。充电电缆采用本发明的电缆，与现有的带冷却导管的充电电缆相比，能够进一步提高制冷效率，且简化了充电电缆内部结构。
另外，作为充电电缆100c，所述电缆100c还包括外护套104c。
综上所述，本发明充电设备冷却系统通过循环流体管道700c对充电设备的各个部件例如充电枪200c、充电电缆100c进行散热，循环流体管道700c将热量传递至散热器500c进行散热，这能及时将各部件的热量散发至外界中去，从而能够确保在大电流充电时及时散热并能确保充电安全。
以上仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是在本发明的发明构思下，利用本发明说明书及附图内容所作的等效结构变换，或直接或间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。

Claims (20)

  1. 一种电缆，包括多根主线导体和包覆各主线导体的主线绝缘层，其特征在于，在所述主线导体的内部设置有冷却管，所述冷却管内传输用于冷却所述主线导体的制冷流体。
  2. 如权利要求1所述的电缆，其特征在于，所述多根主线导体包括第一主线导体和第二主线导体，所述第一主线导体和所述第二主线导体的内部各自设置有所述冷却管。
  3. 如权利要求2所述的电缆，其特征在于，所述第一主线导体内的冷却管与所述第二主线导体内的冷却管相互之间形成连通的回路，从其中一个冷却管流入的制冷流体经过另一个冷却管流出。
  4. 如权利要求3所述的电缆，其特征在于，所述第一主线导体内的冷却管与所述第二主线导体内的冷却管的连接端通过回转U型管连接。
  5. 如权利要求1所述的电缆，其特征在于，所述冷却管与所述主线导体同心设置。
  6. 如权利要求1所述的电缆，其特征在于，所述电缆还包括外护套，所述主线导体设置在所述外护套内。
  7. 如权利要求6所述的电缆，其特征在于，所述电缆为充电电缆，所述外护套内还设置有地线导体和信号线导体。
  8. 如权利要求6所述的电缆，其特征在于，所述外护套内还设置有填充材料。
  9. 如权利要求1所述的电缆，其特征在于，所述冷却管的管材为聚氨酯、硅胶或特氟龙。
  10. 一种导线，包括导体，其特征在于，在所述导体的内部设置有冷却管，所述冷却管内传输用于冷却所述导体的制冷流体。
  11. 一种充电设备冷却系统，包括充电电缆，所述充电电缆包括多根主线导体和包覆各主线导体的主线绝缘层，其特征在于，在所述主线导体的内部设置有冷却管，所述冷却管内传输用于冷却所述主线导体的制冷流体。
  12. 如权利要求11所述的充电设备冷却系统，其特征在于，所述充电设备冷却系统还包括充电插座、电机、电池、散热器、循环泵及循环流体管道，所述充电插座、充电电缆、电机和/或电池通过循环流体管道串联起来并通过循环流体管道带走热量，循环流体管道将热量传递至散热器进行散热，循环流体管道内的液体的驱动力由循环泵提供。
  13. 根据权利要求12所述的充电设备冷却系统，其特征在于，所述循环泵、散热器、电机和/或电池、充电电缆及充电插座都有流体的进出接口，用软管将循环泵、散热器、电机和/或电池、充电电缆及充电插座依次串联起来，所述软管为所述循环流体管道。
  14. 根据权利要求11所述的充电设备冷却系统，其特征在于，所述充电设备冷却系统还包括充电枪、充电电缆、电源模块、散热器、循环泵及循环流体管道，所述循环流体管道内置有冷却液，所述充电枪、充电电缆、及电源模块通过循环流体管道串联起来并通过循环流体管道带走热量，循环流体管道将热量传递至散热器进行散热，循环流体管道内的液体的驱动力由循环泵提供。
  15. 根据权利要求14所述的充电设备冷却系统，其特征在于，所述循环泵、散热器、电源模块、充电电缆及充电枪都有流体的进出接口，用软管将循环泵、散热器、电源模块、充电电缆及充电枪依次将串联起来，所述软管为所述循环流体管道。
  16. 根据权利要求11所述的充电设备冷却系统，其特征在于，所述充电设备冷却系统还包括充电枪、充电电缆、散热器、循环泵及循环流体管道，所述循环流体管道内置有冷却液，所述充电枪、充电电缆通过循环流体管道串联起来并通过循环流体管道带走热量，循环流体管道将热量传递至散热器进行散热，循环流体管道内的冷却液的驱动力由循环泵提供，所述充电枪内具有端子冷却槽，该端子冷却槽为紧贴端子绝缘隔绝的液体冷却槽，该端子冷却槽具有液体入口和液体出口，所述循环流体管道的冷却液通过流体入口流入端子冷却槽，端子冷却槽内的冷却液通过液体出口流出并进入所述循环流体管道内。
  17. 根据权利要求16所述的充电设备冷却系统，其特征在于，所述循环泵、散热器、充电电缆及充电枪都有流体的进出接口，用软管将循环泵、散热器、充电电缆及充电枪依次串联起来，所述软管为所述循环流体管道。
  18. 根据权利要求16所述的充电设备冷却系统，其特征在于，所述充电枪包括枪头、主线端子及冷却槽盖，枪头具有端子腔，主线端子设置于端子腔内，冷却槽盖与枪头固定在一起，冷却槽盖内设置有所述端子冷却槽和端子固定槽，主线端子一端收容于端子固定槽内，冷却槽盖上设置有所述液体入口和液体出口。
  19. 根据权利要求18所述的充电设备冷却系统，其特征在于，所述冷却槽盖包括冷却槽前盖和冷却槽后盖，所述液体入口和液体出口设置于冷却槽后盖上。
  20. 根据权利要求18所述的充电设备冷却系统，其特征在于，所述液体入口、液体出口通过螺纹接口连接冷却管，螺纹接口设置有外螺纹，螺纹接口内设置有接口腔，冷却管一端固定连接有紧固件，紧固件设置有内螺纹，紧固件紧固于螺纹接口，其中紧固件的内螺纹与螺纹接口的外螺纹配套连接。
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