CN107082030B - Charging equipment cooling system - Google Patents

Charging equipment cooling system Download PDF

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Publication number
CN107082030B
CN107082030B CN201710374795.6A CN201710374795A CN107082030B CN 107082030 B CN107082030 B CN 107082030B CN 201710374795 A CN201710374795 A CN 201710374795A CN 107082030 B CN107082030 B CN 107082030B
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CN
China
Prior art keywords
cooling
charging
main line
circulating fluid
fluid pipeline
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201710374795.6A
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Chinese (zh)
Other versions
CN107082030A (en
Inventor
周诚智
周和平
康树峰
张强
邹志平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Woer New Energy Electric Technology Co Ltd
Original Assignee
Shenzhen Woer Heat Shrinkable Material Co Ltd
Changzhou Woer Heat Shrinkable Material Co Ltd
Shenzhen Woer New Energy Electric Technology Co Ltd
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
Application filed by Shenzhen Woer Heat Shrinkable Material Co Ltd, Changzhou Woer Heat Shrinkable Material Co Ltd, Shenzhen Woer New Energy Electric Technology Co Ltd filed Critical Shenzhen Woer Heat Shrinkable Material Co Ltd
Priority to CN201710374795.6A priority Critical patent/CN107082030B/en
Publication of CN107082030A publication Critical patent/CN107082030A/en
Application granted granted Critical
Publication of CN107082030B publication Critical patent/CN107082030B/en
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Classifications

    • 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
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • 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
    • 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
    • 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
    • H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
    • H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

A charging equipment cooling system comprises a charging gun, a charging cable, a radiator, a circulating pump and a circulating fluid pipeline. The circulating fluid pipeline is internally provided with a cooling substance, and the driving force of the cooling substance is provided by a circulating pump. The charging gun and the charging cable are connected in series through a circulating fluid pipeline, heat is taken away through cooling substances, and the circulating fluid pipeline transfers the heat to the radiator for heat dissipation. The charging cable includes a plurality of main line conductors and a main line insulating layer covering each of the main line conductors. The charging gun is internally provided with a plurality of main line terminals and a cooling groove which is tightly attached to the main line terminals and has a hollow structure, the cooling groove is provided with an inlet and an outlet, and a circulating fluid pipeline penetrates through the inside of the main line conductor to be connected with the inlet and the outlet of the cooling groove, so that cooling substances in the circulating fluid pipeline flow into or flow out of the cooling groove. The main line conductor is connected with the main line terminal, and the charging cable is electrically connected with the charging gun. The cooling system of the charging equipment can timely radiate heat of each part to the outside, so that timely radiation during high-current charging can be ensured, and charging safety can be ensured.

Description

Charging equipment cooling system
Technical Field
The invention relates to electric automobile charging equipment, in particular to a cooling system of the charging equipment.
Background
Automobiles are a vehicle with a higher and higher popularity. The automobile runs without gasoline, and the exhaust gas of the automobile is discharged, so that global climate is warmed, the environment is worsened, various aspects of the environment are seriously affected, meanwhile, the gasoline is taken as non-renewable energy, automobile resources are increasingly exhausted, and people have to pay attention to the point. New environmental protection renewable energy sources become the main body of future markets, so electric automobiles are new fields for future development. The electric automobile is charged as a power source, the electric energy consumption is relatively fast, the full charge is ensured in the charging process to ensure the driving mileage, and the electric automobile is prevented from being unable to drive due to the lack of energy in the middle. Most of the existing electric vehicles meet the charging requirement through a charging gun, and the charging gun plays a role of a bridge connected with the electric vehicles and the charging piles.
The new energy automobile needs to be charged, and the same electric quantity needs to be charged for a short time, so that the charging with large current is needed, and the charging with large current can cause large heating value of the terminal, so that potential safety hazard exists.
Therefore, how to solve the heat dissipation will be an important issue of fast power and charging safety.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the cooling system of the charging equipment, which can timely dissipate heat so as to ensure timely heat dissipation during high-current charging and ensure charging safety.
In order to achieve the above object, the present invention provides a cooling system for a charging device, including a charging gun, a charging cable, a radiator, a circulation pump, and a circulation fluid pipe, wherein a cooling material is disposed in the circulation fluid pipe, the charging gun and the charging cable are connected in series through the circulation fluid pipe and take away heat by the cooling material, the circulation fluid pipe transfers heat to the radiator to dissipate heat, a driving force of the cooling material in the circulation fluid pipe is provided by the circulation pump, the charging cable includes a plurality of main line conductors and a main line insulating layer covering each main line conductor, the charging gun has a plurality of main line terminals and a cooling tank having a hollow structure closely attached to the main line terminals, the cooling tank has an inlet and an outlet, the circulation fluid pipe passes through the inside of the main line conductors and is connected with the inlet and the outlet of the cooling tank, so that the cooling material in the circulation fluid pipe flows into or flows out of the cooling tank, and the main line conductors are connected with the main line terminals, so as to achieve electrical connection between the charging cable and the charging gun.
Preferably, the cooling groove is made of metal, which is more beneficial to heat dissipation of the main line terminal.
Preferably, a heat conducting material is coated before the inner surface of the cooling groove and the outer surface of the terminal, which is more beneficial to heat transfer between the cooling groove and the main line terminal.
Preferably, the cooling substance is a flowable cooling substance.
Preferably, the cooling object is a liquid cooling substance.
Preferably, 2 main line terminals and 2 cooling grooves are arranged in the charging gun, the cooling grooves are of hollow annular structures, and the cooling grooves are tightly attached to the outer sides of the main line terminals.
Still preferably, the charging gun further comprises a communicating pipe, the charging cable comprises 2 main line conductors, each main line conductor is internally provided with a circulating fluid pipeline port, the 2 main line conductors are respectively connected with the 2 main line terminals in a pressure joint mode, one circulating fluid pipeline port is connected with an inlet of one cooling tank, the other circulating fluid pipeline port is connected with an outlet of the other cooling tank, and the two cooling tanks are communicated through the communicating pipe.
Preferably, the charging gun further comprises a gun head and a fixing piece, wherein the gun head is provided with a cavity, the cooling groove and the main line terminal are fixed on the fixing piece, and the fixing piece is arranged in the cavity of the gun head.
Preferably, the circulating pump, the radiator, the charging cable and the charging gun are all provided with fluid inlet and outlet interfaces, and the circulating pump, the radiator, the charging cable and the charging gun are connected in series in sequence by using a hose, and the hose is the circulating fluid pipeline.
Preferably, the cooling tank inlet and the cooling tank outlet are connected with the cooling pipe through a threaded interface, the threaded interface is provided with external threads, an interface cavity is arranged in the threaded interface, one end of the cooling pipe is fixedly connected with a fastener, the fastener is provided with internal threads, the fastener is fastened on the threaded interface, and the internal threads of the fastener are connected with the external threads of the threaded interface in a matched manner.
Drawings
FIG. 1 is a schematic diagram of the cooling system of the charging device according to the present invention;
FIG. 2 is a schematic view of a cooling tank of a preferred structure according to the present invention;
FIG. 3 is a schematic cross-sectional view of the cooling tank shown in FIG. 2;
FIG. 4 is a schematic diagram of the cooling trough and main wire terminal mating shown in FIG. 2;
FIG. 5 is a schematic view showing a combined structure of the cooling tank, the main line terminal and the fixing member shown in FIG. 2;
FIG. 6 is an assembly view of a charging cable, a liquid cooling tube, and a charging gun of the charging apparatus cooling system of FIG. 1;
FIG. 7 is a partial cross-sectional view of the gun head of the composite structure of FIG. 6;
fig. 8 is a disassembled view of the assembled structure of the charging cable and the charging gun shown in fig. 6.
Detailed Description
The following describes embodiments of the present invention in detail. It should be emphasized that the following description is merely exemplary in nature and is in no way intended to limit the scope of the invention or its applications.
Referring to fig. 1, the cooling system for a charging device of the present invention includes a charging gun, a charging cable 2, a radiator 5, a circulating pump 4 and a circulating fluid pipe 3, wherein a liquid cooling oil is disposed in the circulating fluid pipe 3, a main line terminal 11 is disposed in the charging gun, the charging cable 2 is connected with the main line terminal 11, the charging cable 2 is connected in series through the circulating fluid pipe 3 and takes away heat through a cooling material, the circulating fluid pipe 3 transfers heat to the radiator 5 for heat dissipation, and a driving force of the cooling material in the circulating fluid pipe 3 is provided by the circulating pump 4.
Referring to fig. 2 and 3, a cooling tank 12 with a hollow structure is preferred in the present invention, which has an inflow port 121 and an outflow port 121, the cooling tank 12 has a through hole 122 matching with the main line terminal, and the cooling tank 12 is preferably made of metal material, which is more beneficial to heat dissipation of the main line terminal 11.
Referring to fig. 4 to 6, the charging gun of a preferred structure of the present invention further comprises a communication pipe 14 and a fixing member 13, wherein the cooling tank 12 and the main line terminal 11 are fixed on the fixing member 13, and the inner surface of the cooling tank 12 and the outer surface of the terminal 11 are coated with a heat conducting material (not shown in the figure). The charging gun is internally provided with 2 main line terminals 11 and 2 cooling tanks 12, and one cooling tank 12 is tightly attached to the outer side of each main line terminal 11.
Referring to fig. 7 to 8, a charging cable 2 of a preferred structure of the present invention includes 2 main line conductors 21, each main line conductor 21 has a circulating fluid pipe port therein, and a communication pipe 14 connects 2 cooling tanks 12 to form a fluid path for the 2 cooling tanks 12, and the 2 circulating fluid pipe ports are respectively connected to another connection port 121 of the cooling tank to form 1 cooling circuit. The circulating fluid pipe 3 penetrates the inside of the main line conductor 21, is separated from the main line conductor 21 at the interface of the cooling tank 12, and is connected with the inlet or outlet of the cooling tank 12, so that the cooling substance in the circulating fluid pipe flows into or out of the cooling tank 12, and the main line conductor 21 is connected with the main line terminal 11 to realize the electric connection between the charging cable and the charging gun.
In the preferred embodiment, the charging gun further comprises a gun head 10, the gun head 10 is provided with a cavity 101, the cooling groove 12 and the main line terminal 11 are fixed on a fixing piece 13, and the fixing piece 13 is arranged in the gun head cavity 101.
In the preferred embodiment, the cooling tank inlet and the cooling tank outlet are connected with the cooling pipe through a threaded interface, the threaded interface is provided with external threads, an interface cavity is arranged in the threaded interface, one end of the cooling pipe is fixedly connected with a fastener 15, the fastener 15 is provided with internal threads, the fastener is fastened on the threaded interface, and the internal threads of the fastener are connected with the external threads of the threaded interface in a matched manner.
In other preferred embodiments, the circulating pump 4, the radiator 5, the charging cable 2 and the charging gun are all provided with fluid inlet and outlet ports, and the circulating pump 4, the radiator 4, the charging cable 2 and the charging gun are connected in series by using a hose, wherein the hose is the circulating fluid pipeline.
In summary, the cooling system for the charging device disclosed by the invention dissipates heat of each part of the charging device, such as the charging gun and the charging cable, through the circulating fluid pipeline, and the circulating fluid pipeline transfers the heat to the radiator to dissipate the heat, so that the heat of each part can be timely dissipated to the outside, and the timely heat dissipation and the charging safety during high-current charging can be ensured.
The foregoing is a further detailed description of the invention in connection with specific/preferred embodiments, and it is not intended that the invention be limited to such description. It will be apparent to those skilled in the art that several alternatives or modifications can be made to the described embodiments without departing from the spirit of the invention, and these alternatives or modifications should be considered to be within the scope of the invention.

Claims (10)

1. The utility model provides a charging equipment cooling system which is characterized in that, including charging gun, charging cable, radiator, circulating pump and circulating fluid pipeline, be equipped with the cooling material in the circulating fluid pipeline, charging gun, charging cable are established ties through circulating fluid pipeline and take away the heat through the cooling material, circulating fluid pipeline carries heat to the radiator and dispels the heat, the drive power of the cooling material in the circulating fluid pipeline is provided by the circulating pump, charging cable includes many main line conductors and cladding each main line conductor's main insulating layer, have a plurality of main line terminal and a plurality of cooling tank of the hollow structure of hugging closely the main line terminal in the charging gun, the structure of cooling tank is annular, a cooling tank cover is located a main line terminal, the cooling tank has entry and export, entry and export are located main line terminal both sides; the charging gun further comprises a communicating pipe, the communicating pipe connects the cooling tanks, so that the cooling tanks form a fluid passage, the circulating fluid pipeline penetrates through the inside of the main line conductor to be connected with the inlet and the outlet of the cooling tanks, so that cooling substances in the circulating fluid pipeline flow into or flow out of the cooling tanks, the main line conductor is connected with the main line terminal, and the charging cable and the charging gun are electrically connected.
2. The charging device cooling system according to claim 1, wherein the cooling tank is a metal cooling tank.
3. The charging device cooling system of claim 2, wherein a thermally conductive material is coated between the cooling slot inner surface and the terminal outer surface.
4. The charging device cooling system of claim 1, wherein the cooling substance is a flowable cooling substance.
5. A charging device cooling system according to claim 3, wherein the cooling object is a liquid cooling substance.
6. The charging device cooling system of claim 1, wherein the charging gun has 2 main line terminals and 2 cooling grooves therein, one cooling groove being closely attached to an outer side of each main line terminal.
7. The charging facility cooling system according to claim 6, wherein the charging gun further comprises a communication pipe, the charging cable comprises 2 main line conductors each having one circulating fluid pipe port therein, the 2 main line conductors being pressure-connected to the 2 main line terminals, one circulating fluid pipe port being connected to the inlet of one cooling tank, the other circulating fluid pipe port being connected to the outlet of the other cooling tank, the two cooling tanks being communicated with each other by the communication pipe.
8. The charging facility cooling system of claim 1, wherein the charging gun further comprises a gun head and a fixture, the gun head having a cavity, the cooling slot and the main line terminal being secured to the fixture, the fixture being disposed within the gun head cavity.
9. The charging facility cooling system of claim 1, wherein the circulation pump, the radiator, the charging cable and the charging gun are all provided with fluid inlet and outlet ports, and the circulation pump, the radiator, the charging cable and the charging gun are connected in series in sequence by a hose, the hose being the circulation fluid pipe.
10. The cooling system of the charging device according to claim 1, wherein the cooling tank inlet and the cooling tank outlet are connected with the cooling pipe through a threaded interface, the threaded interface is provided with external threads, an interface cavity is arranged in the threaded interface, one end of the cooling pipe is fixedly connected with a fastener, the fastener is provided with internal threads, the fastener is fastened to the threaded interface, and the internal threads of the fastener are in matched connection with the external threads of the threaded interface.
CN201710374795.6A 2017-05-24 2017-05-24 Charging equipment cooling system Active CN107082030B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710374795.6A CN107082030B (en) 2017-05-24 2017-05-24 Charging equipment cooling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710374795.6A CN107082030B (en) 2017-05-24 2017-05-24 Charging equipment cooling system

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CN107082030A CN107082030A (en) 2017-08-22
CN107082030B true CN107082030B (en) 2023-07-07

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