CN113488803B - Charging connection device, charging connector, charging socket and electric vehicle - Google Patents
Charging connection device, charging connector, charging socket and electric vehicle Download PDFInfo
- Publication number
- CN113488803B CN113488803B CN202110797839.2A CN202110797839A CN113488803B CN 113488803 B CN113488803 B CN 113488803B CN 202110797839 A CN202110797839 A CN 202110797839A CN 113488803 B CN113488803 B CN 113488803B
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- charging
- cooling unit
- terminal
- connection device
- power cable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
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- 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
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- 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
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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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
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application provides a connecting device charges, charging connector, charging socket and electric vehicle, connecting device charges includes power cable, cooling unit and housing assembly, and housing assembly includes housing and insulating heat conduction spare, and housing encloses into both ends open-ended and holds the chamber, and power cable, cooling unit and insulating heat conduction spare all wear to establish and be fixed in holding the intracavity, and insulating heat conduction spare is located between power cable and the cooling unit to make cooling unit cool off power cable. The charging connection device can simplify the assembly process of the charging connector or the charging socket, and is beneficial to improving the assembly reliability.
Description
Technical Field
The application relates to the technical field of charging, and relates to a charging connecting device, a charging connector, a charging socket and an electric vehicle.
Background
When the new energy automobile carries out high-power charging, the charging socket and the charging terminal of the charging gun can generate a large amount of heat, and the safety use of the whole automobile and the system is challenged greatly. The charging terminal is usually cooled by adopting a liquid cooling module, and the charging gun or the charging socket structure which is relatively complex is designed more complicated by adding the liquid cooling module.
The charging gun is internally provided with a plurality of parts such as a temperature sensor, a charging terminal, an insulating heat conducting plate and the like, and the temperature sensor, the charging terminal, the insulating heat conducting plate and the like are usually assembled on the charging gun head one by one according to an assembly sequence during assembly.
However, this assembly is relatively complex and the components are not reliably fixed inside the charging gun.
Disclosure of Invention
The application provides a charging connection device, charging connector, charging socket and electric vehicle, charging connection device assembly is simpler, and each spare part is fixed reliable.
In order to achieve the above-mentioned purpose, the application provides a connecting device charges, including power cable, cooling unit and housing assembly, housing assembly includes housing and insulating heat conduction spare, and housing encloses into both ends open-ended and holds the chamber, and the tip of power cable has the terminal, and power cable, cooling unit and insulating heat conduction spare all wear to establish and be fixed in holding the intracavity, and insulating heat conduction spare is located between power cable and the cooling unit to make the cooling unit cool off power cable.
In one possible implementation, the power cables are plural, the power cables are disposed at the side of the cooling unit, and the insulating heat conducting member is disposed between each power cable and the cooling unit.
In one possible implementation manner, the cooling unit includes a heat exchange member, a liquid inlet pipe and a liquid outlet pipe, the heat exchange member has a heat exchange cavity inside, and the liquid inlet pipe and the liquid outlet pipe are both communicated with the heat exchange cavity to form a heat exchange circulation pipeline, and a cooling liquid flows in the heat exchange circulation pipeline.
In one possible implementation, the terminals, the insulating heat conducting member and the cooling unit are arranged in the housing chamber in this order, and the terminals protrude from the end portions of the housing chamber outside the housing chamber.
In one possible implementation, the charging connection device further includes a limiting member and an adjusting fastener, and the side wall of the housing is provided with a through hole.
The first end of locating part butt in terminal side, and the second end of locating part has the screw hole. The adjusting fastener sequentially penetrates through the through hole and the threaded hole, and when the external thread of the adjusting fastener is relatively screwed with the threaded hole, the terminal is pushed by the adjusting fastener to approach the insulating heat conducting piece and the cooling unit. In one possible implementation, the charging connection device further includes a temperature sensor, the temperature sensor being attached to the terminal and configured to detect a temperature of the terminal.
The inner wall of the housing is provided with a mounting groove, the temperature sensor is arranged in the mounting groove, and the mounting groove is filled with heat transfer glue for wrapping the temperature sensor.
In one possible implementation, the charging connection device further comprises a cover plate, wherein the cover plate is arranged on one side of the cooling unit facing the terminal, and forms an isolation cavity for isolating the cooling unit together with the insulating heat conducting member.
The application still provides a charging connector, including charging connector casing, joint body, electric connection terminal and charging connection device, be equipped with in the charging connector casing and hold electric connection terminal and charging connection device's cavity, electric connection terminal is connected in charging connection device, and charging connection device installs in the joint body.
The application also provides a charging socket, including socket panel, electric connection terminal and charging connection device, electric connection terminal is connected in charging connection device, and charging connection device installs in socket panel.
The application also provides an electric vehicle, including automobile body and charging socket, charging socket connects on the automobile body.
The utility model provides a charging connection device, charging connector, charging socket and electric vehicle, charging connection device includes power cable, cooling unit and housing assembly, housing assembly includes housing and insulating heat conduction spare, housing encloses into both ends open-ended and holds the chamber, and the tip of power cable has the terminal, and power cable, cooling unit and insulating heat conduction spare all wear to establish and be fixed in holding the intracavity, and insulating heat conduction spare is located between power cable and the cooling unit to make cooling unit cool off power cable. Like this, charging connecting device can make charging connector or charging socket complicacy, loaded down with trivial details assembly process simplify, modularization, makes core spare parts such as power cable, cooling unit an organic whole, again with charging connecting device assembly to charging connector or charging socket, can guarantee that the assembly of core spare part is orderly, accurate and safe and reliable.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief description will be given below of the drawings that are needed in the embodiments or the prior art descriptions, it being obvious that the drawings in the following description are some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic structural diagram of a charging connection device according to an embodiment of the present application;
fig. 2 is an exploded view of a charging connection device according to an embodiment of the present application;
fig. 3 is a front view of a structure of a charging connection device according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a charging gun in the charging connector according to the embodiment of the present application;
fig. 5 is a schematic structural diagram of a charging socket according to an embodiment of the present application;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 7 is a partial enlarged view at B in FIG. 6;
fig. 8 is a cross-sectional view taken along the direction C-C in fig. 3.
Reference numerals illustrate:
1-a charging connection device;
11-power cable; 12-a cooling unit; 13-a housing assembly; 14-limiting pieces; 15-adjusting the fastener; 16-a temperature sensor; 17-cover plate;
a 111-terminal; 121-heat exchange piece; 122-liquid inlet pipe; 123-a liquid outlet pipe; 131-a housing; 132-insulating heat conducting member; 141-a threaded hole;
1111-a receiving groove; 1311-a via; 1312-mounting slots;
2-electrical connection terminals;
21-connecting a bracket; 22-connecting terminals;
3-a joint body;
4-receptacle panel.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numerals refer to the same or similar components or components having the same or similar functions throughout. The described embodiments are some, but not all, of the embodiments of the present application. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application. Embodiments of the present application are described in detail below with reference to the accompanying drawings.
In the description of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be fixedly connected, or indirectly connected through intermediaries, for example, or may be in communication with each other between two elements or in an interaction relationship between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on the drawings, which are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The terms "first," "second," "third" (if any) in the description and claims of the present application and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be capable of operation in sequences other than those illustrated or described herein, for example.
Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or display that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or display.
The charging gun or the charging socket is internally provided with a plurality of parts such as a temperature sensor, a charging terminal, an insulating heat conducting plate and the like, and when the charging gun or the charging socket is assembled, the temperature sensor, the charging terminal, the insulating heat conducting plate and the like are assembled on a charging gun head or a socket panel one by one according to an assembly sequence. However, this assembly is relatively complex, and the components are not reliably secured to the charging gun head or the receptacle panel. And because the high-power charging gun or the charging socket is internally provided with the cooling module, how to effectively isolate the high-voltage cable from the cooling module is also a problem to be solved.
Based on this, this application embodiment provides a charging connection device, charging connector, charging socket and electric vehicle, and charging connection device can be with complicated, loaded down with trivial details assembly process simplification, modularization, and charging connector and charging socket internals are fixed reliably.
Fig. 1 is a schematic structural diagram of a charging connection device according to an embodiment of the present application; fig. 2 is an exploded view of a charging connection device according to an embodiment of the present application; fig. 3 is a front view of a structure of a charging connection device according to an embodiment of the present application. Referring to fig. 1 to 3, the charging connection device 1 provided in the embodiment of the application includes a power cable 11, a cooling unit 12 and a housing assembly 13, the housing assembly 13 includes a housing 131 and an insulating heat conducting member 132, the housing 131 encloses into a housing cavity with two open ends, the end of the power cable 11 has a terminal 111, the power cable 11, the cooling unit 12 and the insulating heat conducting member 132 are all penetrated and fixed in the housing cavity, and the insulating heat conducting member 132 is located between the power cable 11 and the cooling unit 12, so that the cooling unit 12 cools the power cable 11.
Specifically, the middle of the housing 131 is provided with a first groove, the middle of the cooling unit 12 is provided with a second groove, the directions of the first groove and the second groove are consistent, the shapes of the first groove and the second groove are matched, when the cooling unit 12 is assembled into the accommodating cavity in the housing 131, the movement of the cooling unit 12 in the housing 131 can be limited, therefore, the cooling unit 12 can be stably and reliably fixed on the housing 131 through the first groove and the second groove, then the insulating heat conducting piece 132 is fixed between the cooling unit 12 and the power cable 11, the insulating heat conducting piece 132 can isolate the high voltage of the cooling unit 12 and the high voltage of the power cable 11, and the heat generated when the insulating heat conducting piece 132 charges the power cable 11 can be transferred to the cooling unit 12 so as to cool the power cable 11, and therefore, the working temperature of the power cable 11 is always in a normal range.
The charging connecting device 1 can simplify and modularize complex and tedious assembly processes of the charging gun or the charging socket, core parts such as the power cable 11, the cooling unit 12 and the like are made into a whole, and then the charging connecting device 1 is assembled to the charging gun or the charging socket, so that the ordered, accurate, safe and reliable assembly of the core parts can be ensured.
With continued reference to fig. 1-3, in some embodiments, the power cables 11 are plural, the power cables 11 are disposed laterally of the cooling unit 12, and the insulating heat conductive member 132 is disposed between each power cable 11 and the cooling unit 12.
It should be understood that the number of the power cables 11 may be two, three or five, for example, two terminals 111 are typically used in the dc charging gun, three terminals 111 or five terminals 111 are typically used in the ac charging gun, and when implemented, the number may be selected according to the specific requirements of the charging gun or the charging socket, which is not limited in this embodiment. The insulating and heat conducting members 132 are disposed corresponding to the power cables 11, and the insulating and heat conducting members are disposed between each power cable 11 and the cooling unit 12, so that heat generated by charging each power cable 11 can be conducted to the cooling unit 12, and thus the power cables 11 are cooled.
Referring to fig. 2, in some embodiments, the cooling unit 12 includes a heat exchange member 121, a liquid inlet pipe 122 and a liquid outlet pipe 123, the heat exchange member 121 has a heat exchange chamber therein, and the liquid inlet pipe 122 and the liquid outlet pipe 123 are both in communication with the heat exchange chamber to form a heat exchange circulation line in which a cooling liquid flows.
When the charging gun or the charging socket performs high-power charging, the current and the voltage are very high, and the power cable 11 is very easy to generate heat. A special heat exchange circulation pipeline is arranged beside the power cable 11, cooling liquid with a heat dissipation effect is added into the heat exchange circulation pipeline, the cooling unit 12 is provided with a power pump, and the cooling liquid is pushed by the power pump to circulate along the heat exchange circulation pipeline, so that heat is taken out.
Fig. 4 is a schematic structural diagram of a charging gun in the charging connector according to the embodiment of the present application; fig. 5 is a schematic structural diagram of a charging socket according to an embodiment of the present application. Referring to fig. 2, 4 and 5, as an alternative embodiment, the terminal 111, the insulating and heat conducting member 132 and the cooling unit 12 are sequentially arranged in the accommodating chamber, and the terminal 111 protrudes from the end of the accommodating chamber outside the accommodating chamber.
It can be understood that the main part of the power cable 11 that generates heat is located at the terminal 111, and the insulating heat conducting member 132 is arranged between the terminal 111 and the heat exchanging member 121, so that a large amount of heat generated by the operation of the terminal 111 can be conducted to the heat exchanging member 121, and the heat is carried out through the heat exchanging circulation pipeline, so that the terminal 111 is cooled down, and the normal operation of the charging gun or the charging socket is ensured. A portion of the terminal 111 protrudes out of the housing 131 to assemble the charging connection device 1 with the header body 3 or the receptacle panel 4.
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 3; fig. 7 is a partial enlarged view at B in fig. 6. Referring to fig. 2, 3, 6 and 7, as an alternative embodiment, the charging connection device 1 further includes a limiting member 14 and an adjusting fastener 15, and a through hole 1311 is formed in a sidewall of the casing 131.
The first end of the stopper 14 abuts against the side of the terminal 111, and the second end of the stopper 14 has a threaded hole. The adjusting fastener 15 is sequentially inserted through the through hole 1311 and the threaded hole, and when the external thread of the adjusting fastener 15 is screwed with the threaded hole, the terminal 111 approaches the insulating heat conductive member 132 and the cooling unit 12 under the pushing of the adjusting fastener 15. Specifically, in some alternative embodiments, the limiting member 14 is a limiting block, the accommodating groove 1111 is formed on the side of the terminal 111, the shape of the accommodating groove 1111 is matched with that of the limiting member 14, the first end of the limiting member 14 abuts against the accommodating groove 1111, the second end of the limiting member 14 is in threaded connection with the adjusting fastener 15, so that the adjusting fastener 15 abuts against the terminal 111 to push the terminal 111 to approach the insulating heat conducting member 132 to the cooling unit 12, and therefore, the limiting member 14 and the adjusting fastener 15 jointly act, so that the terminal 111, the cooling unit 12 and the insulating heat conducting member 132 can be in tight and effective contact, heat loss is reduced, and heat exchange efficiency of the cooling unit 12 is improved.
Fig. 8 is a cross-sectional view taken along the direction C-C in fig. 3, and referring to fig. 2, 3 and 8, as an alternative embodiment, the charging connection device 1 further includes a temperature sensor 16, where the temperature sensor 16 is attached to the terminal 111 and is used to detect the temperature of the terminal 111. The inner wall of the housing 131 is provided with a mounting groove 1312, the temperature sensor 16 is arranged in the mounting groove 1312, and the mounting groove 1312 is filled with heat transfer glue wrapping the temperature sensor 16.
It should be understood that the temperature sensor 16 is disposed corresponding to the terminals 111 so that the temperature of each terminal 111 can be detected. The temperature sensor 16 is placed near the heat generating source, whereby the temperature measurement by the temperature sensor 16 is faster and more accurate. In particular, the housing of the temperature sensor 16 may be made of a highly insulating and thermally conductive material, such as silica gel, ceramic, etc., which is not limited herein.
The gap is arranged between the temperature sensor 16 and the terminal 111, and the gap between the temperature sensor 16 and the terminal 111 is filled with heat transfer glue, so that the contact between the temperature sensor 16 and the terminal 111 can be more sufficient, and the temperature measuring effect of the temperature sensor 16 is better.
Referring to fig. 2, as an alternative embodiment, the charging connection device 1 further includes a cover plate 17, where the cover plate 17 is disposed on a side of the cooling unit 12 facing the terminal 111, and encloses an isolation cavity for isolating the cooling unit 12 together with the insulating heat conductive member 132.
It can be understood that the cover plate 17 is covered on the side of the heat exchange member 121 facing the terminals 111, and the cover plate 17, the housing 131 and the insulating and heat conducting member 132 together enclose an isolation cavity to isolate the heat exchange member 121 from the two terminals 111, so that the isolation cavity can effectively isolate the high-voltage power cable 11 from the low-voltage cooling unit 12, and the safety of the charging connector or the charging socket can be improved. In particular, the cover 17 may be made of the same insulating and heat conducting material as the insulating and heat conducting member 132, such as silica gel, ceramic, or an insulating material, such as plastic, rubber, or the like, which is not limited in this embodiment.
The embodiment of the application provides a charging connection device, charging connector, charging socket and electric vehicle, charging connection device includes power cable, cooling unit and housing assembly, housing assembly includes housing and insulating heat conduction spare, housing encloses into both ends open-ended and holds the chamber, the tip of power cable has the terminal, power cable, cooling unit and insulating heat conduction spare all wear to establish and be fixed in holding the intracavity, insulating heat conduction spare is located between power cable and the cooling unit to make cooling unit cool off power cable. Like this, charging connecting device can make charging gun or charging socket complicacy, loaded down with trivial details assembly process simplify, modularization, makes core spare parts such as power cable, cooling unit an organic whole, again will charge connecting device and assemble to charging connector or charging socket, can guarantee that the assembly of core spare part is orderly, accurate and safe and reliable.
The embodiment of the application also provides a charging connector, including charging connector casing, joint body 3, electric connection terminal 2 and charging connection device 1, be equipped with in the charging connector casing and hold electric connection terminal 2 and charging connection device 1's cavity, electric connection terminal 2 is connected in charging connection device 1, and charging connection device 1 installs in joint body 3. The structure, the working principle and the main functions of the charging connection device 1 are described in detail in the foregoing embodiments, and are not repeated here, wherein the charging connection device 1 is provided in the foregoing embodiments.
It is understood that the charging connector may be a charging connector on the power supply device, or may be a charging connector on the device to be charged, or may be a charging connector disposed outside the power supply device and the device to be charged and used for connecting the charging device and the device to be charged to each other, or may be a charging connector disposed inside the power supply device and the device to be charged and used for connecting with a power grid or a battery, or may be a male connector or a female connector. For example, the charging connector may be a charging gun or a high-voltage connector for connecting a cable of a charging socket to a battery in an electric vehicle.
Taking the charging gun as an example, referring to fig. 2 and 4, the electric connection terminal 2 includes a connection bracket 21 and a connection terminal 22, the connection terminal 22 is fixed on the connection bracket 21, the connection bracket 21 and a housing 131 are connected by screw threads, the charging connection device 1 assembled in advance is mounted on the connector body 3, and the charging gun housing is mounted on the connector body 3, so that the assembly of the charging gun can be completed.
The embodiment of the application provides a charging connection device, charging connector, charging socket and electric vehicle, charging connection device includes power cable, cooling unit and housing assembly, housing assembly includes housing and insulating heat conduction spare, housing encloses into both ends open-ended and holds the chamber, the tip of power cable has the terminal, power cable, cooling unit and insulating heat conduction spare all wear to establish and be fixed in holding the intracavity, insulating heat conduction spare is located between power cable and the cooling unit to make cooling unit cool off power cable. Therefore, the charging connecting device can simplify and modularize the complex and tedious assembly process of the charging connector, core parts such as the power cable, the cooling unit and the like are made into a whole, and then the charging connecting device and the electric connecting terminal are assembled to the charging connector, so that the core parts of the charging connector can be assembled orderly, accurately, safely and reliably.
The embodiment of the application also provides a charging socket, which comprises a socket panel 4, an electric connection terminal 2 and a charging connection device 1, wherein the electric connection terminal 2 is connected with the charging connection device 1, and the charging connection device 1 is installed on the socket panel 4. The structure, the working principle and the main functions of the charging connection device 1 are described in detail in the foregoing embodiments, and are not repeated here, wherein the charging connection device 1 is provided in the foregoing embodiments.
Referring to fig. 2 and 4, the electrical connection terminal 2 includes a connection bracket 21 and a connection terminal 22, the connection terminal 22 is fixed to the connection bracket 21, the connection bracket 21 is connected to a housing 131 by screw threads, and the pre-assembled charging connection device 1 is mounted on the socket panel 4, thereby completing the assembly of the charging socket.
The embodiment of the application provides a charging connection device, charging connector, charging socket and electric vehicle, charging connection device includes power cable, cooling unit and housing assembly, housing assembly includes housing and insulating heat conduction spare, housing encloses into both ends open-ended and holds the chamber, the tip of power cable has the terminal, power cable, cooling unit and insulating heat conduction spare all wear to establish and be fixed in holding the intracavity, insulating heat conduction spare is located between power cable and the cooling unit to make cooling unit cool off power cable. Like this, charging connecting device can make the complex, loaded down with trivial details assembly process simplification, the modularization of charging socket, makes core spare parts such as power cable, cooling unit an organic whole, again with charging connecting device and electric connection terminal to the assembly charging socket, can guarantee that the assembly of the core spare part of charging socket is orderly, accurate and safe and reliable.
The application still provides an electric vehicle, including the socket that charges in automobile body and the aforesaid embodiment, the socket that charges is connected in the automobile body, is connected socket panel 4 with electric vehicle, can assemble the socket that charges to electric vehicle on. And the charging socket has an electrical connection with a battery or the like inside the electric vehicle, so that the battery can be charged. The structure, the working principle and the main functions of the charging socket are described in detail in the foregoing embodiments, and are not described herein.
The embodiment of the application provides a charging connection device, charging connector, charging socket and electric vehicle, charging connection device includes power cable, cooling unit and housing assembly, housing assembly includes housing and insulating heat conduction spare, housing encloses into both ends open-ended and holds the chamber, the tip of power cable has the terminal, power cable, cooling unit and insulating heat conduction spare all wear to establish and be fixed in holding the intracavity, insulating heat conduction spare is located between power cable and the cooling unit to make cooling unit cool off power cable. Like this, charging connecting device can make the complex, loaded down with trivial details assembly process simplification, the modularization of charging socket, makes core spare parts such as power cable, cooling unit an organic whole, again with charging connecting device and electric connection terminal to the assembly charging socket, can guarantee that the assembly of the core spare part of charging socket is orderly, accurate and safe and reliable. By adopting the charging socket for the electric vehicle, the reliability of a charging system of the electric vehicle can be improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (8)
1. The charging connection device is characterized by comprising a power cable, a cooling unit and a shell assembly, wherein the shell assembly comprises a housing and an insulating heat conducting piece, the housing encloses a containing cavity with two open ends, the end part of the power cable is provided with a terminal, the power cable, the cooling unit and the insulating heat conducting piece are all arranged in the containing cavity in a penetrating way and are fixed in the containing cavity, and the insulating heat conducting piece is positioned between the power cable and the cooling unit so as to enable the cooling unit to cool the power cable;
the terminal, the insulating heat conducting piece and the cooling unit are sequentially arranged in the accommodating cavity, and the terminal extends out of the accommodating cavity from the end part of the accommodating cavity;
the device also comprises a limiting piece and an adjusting fastener, wherein a through hole is formed in the side wall of the housing;
the first end of the limiting piece is abutted against the side of the terminal, and the second end of the limiting piece is provided with a threaded hole; the adjusting fastener sequentially penetrates through the through hole and the threaded hole, and when the external thread of the adjusting fastener and the threaded hole are relatively screwed, the terminal is pushed by the adjusting fastener to approach the insulating heat conducting piece and the cooling unit.
2. The charging connection apparatus according to claim 1, wherein the power cables are plural, the power cables are disposed laterally of the cooling unit, and the insulating heat conductive member is disposed between each of the power cables and the cooling unit.
3. The charging connection device according to claim 2, wherein the cooling unit comprises a heat exchange member, a liquid inlet pipe and a liquid outlet pipe, wherein a heat exchange cavity is formed in the heat exchange member, and the liquid inlet pipe and the liquid outlet pipe are both communicated with the heat exchange cavity to form a heat exchange circulation pipeline, and a cooling liquid flows in the heat exchange circulation pipeline.
4. A charging connection as claimed in any one of claims 1 to 3, further comprising a temperature sensor, the temperature sensor being in contact with the terminal and being arranged to detect the temperature of the terminal; the inner wall of the housing is provided with a mounting groove, the temperature sensor is arranged in the mounting groove, and the mounting groove is filled with heat transfer glue for wrapping the temperature sensor.
5. A charging connection as claimed in any one of claims 1 to 3, further comprising a cover plate which is provided on a side of the cooling unit facing the terminals and which together with the insulating heat conducting member encloses an isolation chamber for isolating the cooling unit.
6. A charging connector, comprising a charging connector housing, a connector body, an electrical connection terminal and the charging connection device according to any one of claims 1-5, wherein a cavity for accommodating the electrical connection terminal and the charging connection device is provided in the charging connector housing, the electrical connection terminal is connected to the charging connection device, and the charging connection device is mounted on the connector body.
7. A charging socket comprising a socket panel, an electrical connection terminal and the charging connection device of any one of claims 1-5, the electrical connection terminal being connected to the charging connection device, and the charging connection device being mounted to the socket panel.
8. An electric vehicle comprising a body and the charging receptacle of claim 7, the charging receptacle being attached to the body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110797839.2A CN113488803B (en) | 2021-07-14 | 2021-07-14 | Charging connection device, charging connector, charging socket and electric vehicle |
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| CN202110797839.2A CN113488803B (en) | 2021-07-14 | 2021-07-14 | Charging connection device, charging connector, charging socket and electric vehicle |
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| CN113488803A CN113488803A (en) | 2021-10-08 |
| CN113488803B true CN113488803B (en) | 2023-08-01 |
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| CN114103687A (en) * | 2021-11-19 | 2022-03-01 | 立讯精密工业(江苏)有限公司 | Rifle cooling system and rifle that charges charge |
| CN114709659B (en) * | 2022-04-24 | 2023-11-28 | 四川永贵科技有限公司 | Power contact pin cooling assembly and charging connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8736226B2 (en) * | 2008-10-28 | 2014-05-27 | Panasonic Corporation | Charging cable, charging cable unit, and charging system for electric vehicle |
| CN210182630U (en) * | 2019-07-23 | 2020-03-24 | 深圳巴斯巴科技发展有限公司 | Liquid cooling charging connector |
| CN210309967U (en) * | 2019-07-23 | 2020-04-14 | 东莞市趣电智能科技有限公司 | Terminal cooling mechanism and rifle that charges |
| CN112566472B (en) * | 2020-12-21 | 2024-01-30 | 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 |
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