CN113085608A - Liquid cooling structure of terminal that radiating effect is good - Google Patents
Liquid cooling structure of terminal that radiating effect is good Download PDFInfo
- 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
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- Prior art keywords
- charging
- terminal
- liquid
- heat conduction
- pipe
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- 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
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/302—Cooling of charging equipment
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- 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
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- 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
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.
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110485506.6A CN113085608A (en) | 2021-04-30 | 2021-04-30 | Liquid cooling structure of terminal that radiating effect is good |
Applications Claiming Priority (1)
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CN202110485506.6A CN113085608A (en) | 2021-04-30 | 2021-04-30 | Liquid cooling structure of terminal that radiating effect is good |
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CN113085608A true CN113085608A (en) | 2021-07-09 |
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CN202110485506.6A Pending CN113085608A (en) | 2021-04-30 | 2021-04-30 | Liquid cooling structure of terminal that radiating effect is good |
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Cited By (3)
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 |
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Cited By (5)
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 |
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PB01 | Publication | ||
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Application publication date: 20210709 |