CN113085608A - Liquid cooling structure of terminal that radiating effect is good - Google Patents

Liquid cooling structure of terminal that radiating effect is good Download PDF

Info

Publication number
CN113085608A
CN113085608A CN202110485506.6A CN202110485506A CN113085608A CN 113085608 A CN113085608 A CN 113085608A CN 202110485506 A CN202110485506 A CN 202110485506A CN 113085608 A CN113085608 A CN 113085608A
Authority
CN
China
Prior art keywords
charging
terminal
liquid
heat conduction
pipe
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.)
Pending
Application number
CN202110485506.6A
Other languages
Chinese (zh)
Inventor
李刚
李运明
杨尚芳
毛彬
郭亮
向晓东
喻通
付刚
田力
蒋友华
丁浩
赖登辉
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.)
Sichuan Yonggui Science and Technology Co Ltd
Original Assignee
Sichuan Yonggui Science and 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 Sichuan Yonggui Science and Technology Co Ltd filed Critical Sichuan Yonggui Science and Technology Co Ltd
Priority to CN202110485506.6A priority Critical patent/CN113085608A/en
Publication of CN113085608A publication Critical patent/CN113085608A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10Methods 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
    • B60L53/14Conductive energy transfer
    • B60L53/16Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30Constructional details of charging stations
    • B60L53/302Cooling of charging equipment
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/12Electric charging stations
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/14Plug-in electric vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses a liquid cooling structure of a terminal with a good heat dissipation effect, and belongs to the technical field of electric automobile charging. The liquid heat conduction pipes are respectively and sequentially wound on the two DC charging terminals; and the insulating heat conduction supports are respectively sleeved on the two DC charging terminals and used for conducting the heat of the DC charging terminals to the liquid heat conduction pipe and insulating the DC charging terminals and the DC charging terminals. The liquid cooling device is designed for the charging terminal, so that the charging current of the terminal can be greatly improved to improve the charging power under the working condition of the same terminal in the prior art, and the quick charging of a charging system is realized. All parts are encapsulated into a whole by high heat conduction and high insulation pouring sealant, so that the heat transfer and the safety are greatly improved.

Description

Liquid cooling structure of terminal that radiating effect is good
Technical Field
The invention relates to the technical field of electric automobile charging, in particular to a liquid cooling structure of a terminal with a good heat dissipation effect.
Background
With the continuous development of the new energy electric automobile industry, the endurance mileage of the electric automobile is improved, the capacity of a power battery is increased, and the problem of charging speed is solved by increasing the charging power and realizing quick charging. However, the charging power of the current voltage platform of the electric vehicle cannot be increased by increasing the charging voltage due to various factors, and the charging power can only be increased by increasing the charging current.
When the charging current is greatly increased to hundreds of amperes, the terminal is required to bear larger current, and in the large-current charging process, the charging terminal generates a large amount of heat according to the joule law, so that the temperature of the whole connecting system is increased along with the continuous accumulation of the heat of the charging terminal, and the charging process is very dangerous and even cannot be continuously charged.
Disclosure of Invention
The invention provides a liquid cooling structure of a terminal with a good heat dissipation effect, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a liquid cooling structure of terminal that radiating effect is good, includes two DC charging terminals, still includes:
the liquid heat conduction pipes are respectively and sequentially wound on the two DC charging terminals;
and the insulating heat conduction supports are respectively sleeved on the two DC charging terminals and used for conducting the heat of the DC charging terminals to the liquid heat conduction pipe and insulating the DC charging terminals and the DC charging terminals.
Further, the method also comprises the following steps: the water inlet pipe is connected with one end of the liquid heat conducting pipe; and the water outlet pipe is connected with the other end of the liquid heat conduction pipe.
Further, the liquid heat conduction pipe is spirally wound by a single pipe or spirally wound by double pipes.
Further, the liquid heat conduction pipe is made of a heat-conducting metal material or a heat-conducting plastic material.
Compared with the prior art, the invention has the beneficial effects that:
1. the liquid cooling device is designed for the charging terminal, so that the charging current of the terminal can be greatly improved to improve the charging power under the working condition of the same terminal in the prior art, and the quick charging of a charging system is realized.
2. The current-carrying capacity of the electric wire with the same sectional area is improved by about 2-4 times. In short, the embodiment of the invention can greatly reduce the heat generation during charging, thereby greatly improving the charging current of the charging terminal.
Drawings
Fig. 1 is a schematic structural view (double-tube spiral winding) of a liquid cooling structure of a terminal having a good heat dissipation effect according to the present invention.
Fig. 2 is a schematic structural view of a liquid cooling structure of the terminal with a good heat dissipation effect according to the present invention (single pipe is spirally wound).
The labels in the figure are: 1-a water inlet pipe, 2-a liquid heat conduction pipe, 3-an insulating heat conduction bracket, 4-a DC charging terminal and 5-a water outlet pipe.
Detailed Description
As shown in fig. 1-2, a liquid cooling structure of a terminal with good heat dissipation effect includes two DC charging terminals 4 and a liquid heat pipe 2, wherein the liquid heat pipe 2 is respectively wound on the two DC charging terminals 4 in sequence; and the insulating heat conduction bracket 3 is respectively sleeved on the two DC charging terminals 4 and used for conducting the heat of the DC charging terminals 4 to the liquid heat conduction pipe 2 and insulating the DC charging terminals 4 and the DC charging terminals 4.
In order to let in liquid promptly cooling water in the convenience to liquid heat pipe 2, the liquid cooling structure of this terminal that the radiating effect is good still includes: the water inlet pipe 1 is connected with one end of the liquid heat-conducting pipe 2; and the water outlet pipe 5 is connected with the other end of the liquid heat conduction pipe 2.
The cooling liquid flows through the liquid circulating pump, flows into the liquid heat-conducting pipe 2 from the water inlet pipe 1 through the cable conduit in the cable, then reaches the water outlet pipe 5 through the liquid heat-conducting pipe 2 to enter the other conduit of the cable, and then flows back to the cooling liquid storage device.
The process is repeated, the DC charging terminal 4 is transmitted to the insulating heat conduction support 3 and then transmitted to the liquid heat conduction pipe 2 through circulation of cooling liquid, the cooling liquid in the liquid heat conduction pipe 2 takes away heat, and therefore the DC charging terminal 4 is cooled, the DC charging terminal 4 can be used for large-current charging, high temperature cannot be generated, and the requirement of high-power quick and safe charging of a system is met.
Generally, the current-carrying wire and the DC charging terminal 4 are connected by welding to ensure the reliability of the connection, and the connection resistance is lower than that of the conventional crimping method, so that the connection heating value of the wire and the terminal is reduced according to the joule law, and the design of the DC charging terminal 4 and the connection process of the DC charging terminal 4 and the wire are simpler and better in operation, and are easier to implement in the whole assembly process.
Liquid heat pipe 2 spiral winding is on two DC charging terminal 4, liquid heat pipe 2 is located and adopts insulating heat conduction support 3 to insulate on two DC charging terminal 4, insulating heat conduction support 3 material adopts high-insulation high heat conduction material to ensure that the heat transmits between DC charging terminal 4 and liquid heat pipe 2, rethread cooling liquid circulation takes the heat away from DC charging terminal 4, makes the heat can not gather in DC charging terminal 4 department, avoids DC charging terminal 4 temperature constantly rising.
Between DC charging terminal 4 and insulating heat conduction support 3, through the embedment in order to get rid of air between liquid heat pipe 2 and the insulating heat conduction support 3, high heat conduction high insulating glue material is chooseed for use to the embedment material, makes thermal transmission and insulating nature obtain better assurance, can also play dustproof, waterproof effect in the course of the work.
The liquid heat conducting pipe 2 is connected with the water inlet pipe 1 and the water outlet pipe 5 by adopting a thread or welding mode. Different materials can be selected according to the requirements of the process and the like so as to ensure the reliability and stability of the welding process and simultaneously make the welding process easier to realize.
In this embodiment, liquid heat pipe 2 is the metal conduit, adopts the screw-tupe to twine on insulating heat conduction support 3, can increase the contact range between like this, and the metal conduit of this design chooses interior hollow copper pipe for use and forms through the coiling. And a single copper pipe or a plurality of coils can be adopted according to the flow requirement of the cooling liquid.
In this embodiment, the insulating and heat-conducting bracket 3 is made of a plastic material or a ceramic material with heat conductivity and insulation. Mainly plays the roles of heat transfer and insulation. The liquid heat transfer pipe 2 is spirally wound, and the liquid heat transfer pipe 2 may have any desired shape according to the design purpose and the use effect. The spiral winding type liquid heat conduction pipes 2 can have large volume and surface area, contact area between the spiral winding type liquid heat conduction pipes and the heat conduction blocks is increased, and heat can be conveniently and timely transmitted out through cooling liquid.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (4)

1. The utility model provides a liquid cooling structure of terminal that radiating effect is good, includes two DC charging terminals (4), its characterized in that: further comprising:
the liquid heat conduction pipes (2), the liquid heat conduction pipes (2) are respectively and sequentially wound on the two DC charging terminals (4);
insulating heat conduction support (3), insulating heat conduction support (3) overlap respectively and establish on two DC charging terminal (4) for on conducting the heat of DC charging terminal (4) to liquid heat pipe (2) and with DC charging terminal (4) and DC charging terminal (4) insulating setting.
2. The liquid cooling structure of a terminal with good heat dissipation effect of claim 1, wherein: further comprising:
the water inlet pipe (1), the water inlet pipe (1) is connected with one end of the liquid heat-conducting pipe (2);
and the water outlet pipe (5) is connected with the other end of the liquid heat conduction pipe (2).
3. The liquid cooling structure of a terminal with good heat dissipation effect of claim 1, wherein: the liquid heat conduction pipes (2) are spirally wound by a single pipe or spirally wound by double pipes.
4. A liquid-cooled structure of a terminal having a good heat dissipating effect according to any one of claims 1 to 3, wherein: the liquid heat conduction pipe (2) is made of a heat-conducting metal material or plastic material.
CN202110485506.6A 2021-04-30 2021-04-30 Liquid cooling structure of terminal that radiating effect is good Pending CN113085608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110485506.6A CN113085608A (en) 2021-04-30 2021-04-30 Liquid cooling structure of terminal that radiating effect is good

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110485506.6A CN113085608A (en) 2021-04-30 2021-04-30 Liquid cooling structure of terminal that radiating effect is good

Publications (1)

Publication Number Publication Date
CN113085608A true CN113085608A (en) 2021-07-09

Family

ID=76681163

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110485506.6A Pending CN113085608A (en) 2021-04-30 2021-04-30 Liquid cooling structure of terminal that radiating effect is good

Country Status (1)

Country Link
CN (1) CN113085608A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114374110A (en) * 2021-12-01 2022-04-19 华为数字能源技术有限公司 Charging terminal, rifle that charges, fill electric pile and vehicle
CN114678714A (en) * 2022-03-29 2022-06-28 中航光电科技股份有限公司 Water-cooling connector
WO2023185240A1 (en) * 2022-03-31 2023-10-05 深圳市道通合创数字能源有限公司 Electrical connector, charging pile, and charging system

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106849238A (en) * 2017-02-17 2017-06-13 深圳市沃尔核材股份有限公司 Charging equipment cooling system
CN107425318A (en) * 2017-04-06 2017-12-01 乐视汽车(北京)有限公司 Charging gun
CN108879823A (en) * 2018-06-15 2018-11-23 深圳易瓦科技有限公司 Liquid-cooled charging system for electric automobile and its liquid cooling method
CN109600960A (en) * 2017-09-30 2019-04-09 比亚迪股份有限公司 The charging unit and vehicle of vehicle
CN109728459A (en) * 2019-01-22 2019-05-07 上海蔚来汽车有限公司 Electro-hydraulic integrated form attachment device and vehicle
CN110254264A (en) * 2019-07-04 2019-09-20 昆山惠禾新能源科技有限公司 Liquid cooling terminal and charging gun
US20190291588A1 (en) * 2018-03-22 2019-09-26 Tesla, Inc. Liquid-cooled charging connector
CN110696651A (en) * 2019-09-27 2020-01-17 中航光电科技股份有限公司 Liquid cooling structure of charging terminal
CN212485405U (en) * 2020-06-17 2021-02-05 深圳易瓦科技有限公司 Heat radiation structure
CN112566472A (en) * 2020-12-21 2021-03-26 威海市泓淋电力技术股份有限公司 Non-contact liquid cooling system for high-power charging and liquid cooling method thereof

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106849238A (en) * 2017-02-17 2017-06-13 深圳市沃尔核材股份有限公司 Charging equipment cooling system
CN107425318A (en) * 2017-04-06 2017-12-01 乐视汽车(北京)有限公司 Charging gun
CN109600960A (en) * 2017-09-30 2019-04-09 比亚迪股份有限公司 The charging unit and vehicle of vehicle
US20190291588A1 (en) * 2018-03-22 2019-09-26 Tesla, Inc. Liquid-cooled charging connector
CN108879823A (en) * 2018-06-15 2018-11-23 深圳易瓦科技有限公司 Liquid-cooled charging system for electric automobile and its liquid cooling method
CN109728459A (en) * 2019-01-22 2019-05-07 上海蔚来汽车有限公司 Electro-hydraulic integrated form attachment device and vehicle
CN110254264A (en) * 2019-07-04 2019-09-20 昆山惠禾新能源科技有限公司 Liquid cooling terminal and charging gun
CN110696651A (en) * 2019-09-27 2020-01-17 中航光电科技股份有限公司 Liquid cooling structure of charging terminal
CN212485405U (en) * 2020-06-17 2021-02-05 深圳易瓦科技有限公司 Heat radiation structure
CN112566472A (en) * 2020-12-21 2021-03-26 威海市泓淋电力技术股份有限公司 Non-contact liquid cooling system for high-power charging and liquid cooling method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
吴民达: "《机械产品胶接密封技术实用手册》", 31 May 1995, 辽宁科学技术出版社 *
马蓉等: "《装备用低频电缆组件组装工艺》", 30 September 2014, 电子科技大学出版社 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114374110A (en) * 2021-12-01 2022-04-19 华为数字能源技术有限公司 Charging terminal, rifle that charges, fill electric pile and vehicle
WO2023098692A1 (en) * 2021-12-01 2023-06-08 华为数字能源技术有限公司 Charging terminal, charging gun, charging pile and vehicle
CN114678714A (en) * 2022-03-29 2022-06-28 中航光电科技股份有限公司 Water-cooling connector
CN114678714B (en) * 2022-03-29 2024-04-16 中航光电科技股份有限公司 Water-cooling connector
WO2023185240A1 (en) * 2022-03-31 2023-10-05 深圳市道通合创数字能源有限公司 Electrical connector, charging pile, and charging system

Similar Documents

Publication Publication Date Title
CN113085608A (en) Liquid cooling structure of terminal that radiating effect is good
CN113212202A (en) Liquid cooling structure of heavy current terminal
WO2019184883A1 (en) Positive and negative liquid-cooling cable serial cooling structure of high-power charging pile
CN103366915B (en) Liquid conductor coil device
CN208753040U (en) A kind of liquid cooling cable and the electric vehicle charging cables cooling device using it
CN206711659U (en) A kind of charging electric vehicle cable with cooling tube
CN206639641U (en) A kind of cooling cable system for the high-power charging of electric automobile
CN103348466A (en) Cooling device and power conversion device
CN203253060U (en) Water-circulation cooling apparatus outside magnetic stimulation coil
CN214647637U (en) Liquid cooling structure of terminal convenient to assembly
CN114161972A (en) Terminal liquid cooling structure of heavy current connector
CN200990701Y (en) Internal thermal circulating radiator for cooling electro magnetic equipment
CN209388732U (en) Liquid metal heat radiation copper bar
CN203215985U (en) Non-contact electric heating circulating system
CN214956156U (en) Flexible liquid cooling cable
CN114696502A (en) Self-cooling armature winding system
CN113147454A (en) Liquid cooling structure of full-coverage type terminal
CN202042317U (en) Sf6 gas transformer
CN216783279U (en) Cooling structure of high-power charging interface
CN207820266U (en) A kind of induction coil heating apparatus
CN202796818U (en) Direct water-cooling type quick fuse
CN216942709U (en) New energy automobile direct current rifle internal cooling structure that charges
CN220108575U (en) Heat radiation structure and connection port structure with same
CN207303284U (en) A kind of temperature control equipment of dynamic lithium battery group
CN113119774A (en) Liquid cooling structure of terminal convenient to processing

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210709