CN114161972A - Terminal liquid cooling structure of heavy current connector - Google Patents
Terminal liquid cooling structure of heavy current connector Download PDFInfo
- Publication number
- CN114161972A CN114161972A CN202111643768.7A CN202111643768A CN114161972A CN 114161972 A CN114161972 A CN 114161972A CN 202111643768 A CN202111643768 A CN 202111643768A CN 114161972 A CN114161972 A CN 114161972A
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- CN
- China
- Prior art keywords
- charging
- terminal
- insulating
- metal box
- current connector
- 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
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- 239000007788 liquid Substances 0.000 title claims abstract description 22
- 238000001816 cooling Methods 0.000 title claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 238000004382 potting Methods 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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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
-
- 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
-
- 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)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a terminal liquid cooling structure of a high-current connector, which comprises a U-shaped water pipe, a plurality of terminals and a plurality of terminals, wherein the U-shaped water pipe is made of a heat conduction material; the metal box is used for coating the U-shaped water pipe; the two DC charging terminals are respectively arranged on two sides of the metal box, and a clamping table used for limiting the metal box is arranged on each DC charging terminal; the insulating plate is arranged on the clamping platforms of the two DC charging terminals and used for insulating the bottom of the metal box from the DC charging terminals; and the insulating base plates are arranged on the clamping platforms of the two DC charging terminals respectively and used for insulating the side wall of the metal box from the DC charging terminals. By adopting the embodiment of the invention, the heating in the charging process can be greatly reduced, so that the charging current of the charging terminal is greatly improved.
Description
Technical Field
The invention relates to the technical field of electric automobile charging, in particular to a terminal liquid cooling structure of a high-current connector.
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 several hundred 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 ohm's 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 aims to provide a terminal liquid cooling structure of a high-current connector, aiming at solving the technical problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
a terminal liquid cooling structure of a high-current connector comprises a U-shaped water pipe, a plurality of terminals and a plurality of terminals, wherein the U-shaped water pipe is made of a heat conduction material; the metal box is used for coating the U-shaped water pipe; the two DC charging terminals are respectively arranged on two sides of the metal box, and a clamping table used for limiting the metal box is arranged on each DC charging terminal; the insulating plate is arranged on the clamping platforms of the two DC charging terminals and used for insulating the bottom of the metal box from the DC charging terminals; and the insulating base plates are arranged on the clamping platforms of the two DC charging terminals respectively and used for insulating the side wall of the metal box from the DC charging terminals.
In some embodiments, the U-shaped water tube is made of a metal material.
In some embodiments, the insulating panels have a border at both ends, by which the metal box is wrapped.
In some embodiments, two sides of the insulating pad in the length direction have bent edges, and the DC charging terminal is wrapped by the bent edges.
In some embodiments, potting insulation is disposed between the DC charging terminals and the insulating backing plate.
In some embodiments, a potting insulating glue is provided between the insulating pad and the metal case.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the invention
FIG. 2 is a schematic view of the structure of a water flow passage according to an embodiment of the present invention
Illustration of the drawings:
401-U-shaped water pipe, 402-metal box, 403-insulating pad, 404-insulating board, 405-DC charging terminal, 406-DC power cable.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
On the contrary, this application is intended to cover any alternatives, modifications, equivalents, and alternatives that may be included within the spirit and scope of the application as defined by the appended claims. Furthermore, in the following detailed description of the present application, certain specific details are set forth in order to provide a better understanding of the present application. It will be apparent to one skilled in the art that the present application may be practiced without these specific details.
The liquid cooling structure of the terminal of the high-current connector according to the embodiment of the present application will be described in detail with reference to fig. 1-2. It is to be noted that the following examples are only for explaining the present application and do not constitute a limitation to the present application.
In the embodiment of the application, as shown in fig. 1-2, the terminal liquid cooling structure of the high-current connector may include a U-shaped water pipe 401, a metal box 402, a DC charging terminal 405, an insulating plate 404, and an insulating pad 403, where the U-shaped water pipe 401 is made of a heat conducting material; preferably of a metallic material, for example copper. The metal box 402 is used for coating the U-shaped water pipe 401; the two DC charging terminals 405 are respectively arranged at two sides of the metal box 402, and the DC charging terminals 405 are provided with clamping platforms for limiting the metal box 402; the insulating plate 404 is disposed on the lands of the two DC charging terminals 405, and is used to insulate the bottom of the metal case 402 from the DC charging terminals 405; the two insulating pads 403 are respectively disposed on the lands of the two DC charging terminals 405, and serve to insulate the side walls of the metal case 402 from the DC charging terminals 405.
The connection between the DC power cable 406 and the DC charging terminal 405 is welded to ensure the reliability of the connection, and the connection resistance is lower than that of a conventional crimping method, so that the connection heating value of the lead and the terminal is reduced according to ohm's law, and the design of the DC charging terminal 405 and the connection process of the DC charging terminal 405 and the wire are simpler, better in operation, and easier to implement in the whole assembly process.
The metal box 402 is located between the two DC charging terminals 405, the metal box 402 is located between the two DC charging terminals 405 and is insulated by the insulating pad plate 403 and the insulating plate 404, the insulating pad plate 403 is made of high-insulation high-heat-conduction material to ensure that heat is transferred between the charging terminals and the metal box 402, and then the heat is taken away from the DC charging terminals 405 through liquid circulation, so that the heat cannot be accumulated at the DC charging terminals 405, and the temperature of the DC charging terminals 405 is prevented from rising continuously.
Between DC charging terminal 405 and insulating backing plate 403, through the embedment in order to get rid of between the air between insulating backing plate 403 and the metal box 402, the 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 cooling structure provided by the invention can greatly reduce the heat generated by the terminal during working. The cooling liquid flows through the liquid circulating pump, flows into the metal box 402 from the liquid inlet end of the U-shaped water pipe 401 through the cable conduit in the cable, then flows into the other conduit of the cable through the fluid channel of the U-shaped water pipe 401 in the metal box 402 and the liquid outlet end of the U-shaped water pipe 401, and then flows back to the storage device. The process is repeated, the DC charging terminal 405 is transferred to the insulating base plate 403 through liquid circulation, then transferred to the metal box 402, and finally the liquid in the U-shaped water pipe 401 of the metal box 402 takes away heat, so that the DC charging terminal 405 is cooled, the DC charging terminal 405 can be used for large-current charging, high temperature cannot be generated, and the requirement of high-power, rapid and safe charging of a system is met.
In some embodiments, the insulating plate 404 has a border at both ends by which the metal box 402 is wrapped. The whole structure is more stable.
In some embodiments, the insulating pad 403 has bent edges at two sides in the length direction, and the DC charging terminal 405 is wrapped by the bent edges. The whole structure is more stable. The terminal liquid cooling structure of the high-current connector disclosed in the present application may bring beneficial effects including but not limited to:
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. 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.
3. The current-carrying capacity of the electric wire with the same sectional area is improved by about 3-5 times.
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 (6)
1. The utility model provides a terminal liquid cooling structure of heavy current connector which characterized in that includes:
the U-shaped water pipe is made of a heat conduction material;
the metal box is used for coating the U-shaped water pipe;
the two DC charging terminals are respectively arranged on two sides of the metal box, and a clamping table used for limiting the metal box is arranged on each DC charging terminal;
the insulating plate is arranged on the clamping platforms of the two DC charging terminals and used for insulating the bottom of the metal box from the DC charging terminals;
and the insulating base plates are arranged on the clamping platforms of the two DC charging terminals respectively and used for insulating the side wall of the metal box from the DC charging terminals.
2. The terminal liquid-cooled structure of a high current connector of claim 1, wherein said U-shaped water tube is made of a metal material.
3. A terminal liquid cooling structure of a high current connector as claimed in claim 1, wherein said insulating plate has edge-covers at both ends, and said metal case is covered by said edge-covers.
4. The liquid cooling structure of the terminal of the large current connector as claimed in claim 1, wherein the insulating pad has bent edges at two sides in the length direction, and the DC charging terminal is wrapped by the bent edges.
5. The liquid-cooled structure of a terminal of a high-current connector according to claim 1, wherein a potting insulating paste is disposed between the DC charging terminal and the insulating pad.
6. A terminal liquid cooling structure of a high current connector according to claim 5, wherein a potting insulating paste is provided between said insulating pad and the metal case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111643768.7A CN114161972A (en) | 2021-12-29 | 2021-12-29 | Terminal liquid cooling structure of heavy current connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111643768.7A CN114161972A (en) | 2021-12-29 | 2021-12-29 | Terminal liquid cooling structure of heavy current connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114161972A true CN114161972A (en) | 2022-03-11 |
Family
ID=80488574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111643768.7A Pending CN114161972A (en) | 2021-12-29 | 2021-12-29 | Terminal liquid cooling structure of heavy current connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114161972A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678714A (en) * | 2022-03-29 | 2022-06-28 | 中航光电科技股份有限公司 | Water-cooling connector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212202A (en) * | 2021-04-30 | 2021-08-06 | 四川永贵科技有限公司 | Liquid cooling structure of heavy current terminal |
| CN113328288A (en) * | 2021-07-14 | 2021-08-31 | 浙江吉利控股集团有限公司 | Charging connector, electric vehicle and charging pile |
| CN113451838A (en) * | 2021-07-14 | 2021-09-28 | 浙江吉利控股集团有限公司 | Terminal structure |
| CN214647637U (en) * | 2021-04-30 | 2021-11-09 | 四川永贵科技有限公司 | Liquid cooling structure of terminal convenient to assembly |
-
2021
- 2021-12-29 CN CN202111643768.7A patent/CN114161972A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212202A (en) * | 2021-04-30 | 2021-08-06 | 四川永贵科技有限公司 | Liquid cooling structure of heavy current terminal |
| CN214647637U (en) * | 2021-04-30 | 2021-11-09 | 四川永贵科技有限公司 | Liquid cooling structure of terminal convenient to assembly |
| CN113328288A (en) * | 2021-07-14 | 2021-08-31 | 浙江吉利控股集团有限公司 | Charging connector, electric vehicle and charging pile |
| CN113451838A (en) * | 2021-07-14 | 2021-09-28 | 浙江吉利控股集团有限公司 | Terminal structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| 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 |
Application publication date: 20220311 |
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| RJ01 | Rejection of invention patent application after publication |