CN109624741B - Charging assembly for automobile - Google Patents
Charging assembly for automobile Download PDFInfo
- Publication number
- CN109624741B CN109624741B CN201811502149.4A CN201811502149A CN109624741B CN 109624741 B CN109624741 B CN 109624741B CN 201811502149 A CN201811502149 A CN 201811502149A CN 109624741 B CN109624741 B CN 109624741B
- Authority
- CN
- China
- Prior art keywords
- electrode
- heat
- heat pipe
- cooling
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a charging assembly for an automobile, which comprises a liquid cooling cable part and a liquid cooling electrode part connected with the liquid cooling cable part; the liquid cooling cable part consists of an insulating outer tube, a conducting wire and an inner tube, wherein a pipeline for cooling water to flow is formed in the inner tube, the conducting wire is tightly surrounded on the outer side of the inner tube, and the insulating outer tube is arranged on the outer side of the conducting wire; the liquid cooling electrode part consists of an electrode and a heat pipe, the electrode is connected with the lead, one part of the heat pipe is inserted in the middle of the electrode, and cooling water flows through the other part of the heat pipe. Through combining heat pipe cooling technology and liquid cooling technology together for the cooling water can cool off cable and electrode simultaneously, has reduced the refrigerated link, has improved cooling efficiency, makes the speed of charging can obtain the assurance.
Description
Technical Field
The invention relates to the field of charging of new energy automobiles, in particular to a charging assembly for an automobile.
Background
With the increasingly prominent current environmental problems, the domestic new energy automobile industry is vigorous, the development speed is changed day by day, the battery capacity of the new energy automobile is increased, and the requirement of the new energy automobile on the charging speed is increased. The charging power is an important factor influencing the development of new energy automobiles, and the charging time can be greatly shortened by high-power charging, and the charging waiting time is reduced, so that the charging current required by the new energy automobiles is increased more and more. However, the increasing charging current causes the heating values of the charging cable and the charging electrode to increase rapidly, which increases the temperature of the charging cable and the charging electrode, and the temperature increase further causes the resistance of the charging cable and the charging electrode to increase, which further increases the temperature of the charging cable and the charging electrode. Too high temperature can reduce the insulating properties of cable and the rifle that charges, has the potential safety hazard, can burn out cable and the rifle that charges moreover, can even bring the harm to the person and equipment when serious.
The increase of the conductor sectional area of the cable and the electrode can be adopted to reduce the resistance of the cable and the electrode so as to reduce the heat productivity, but the increase of the conductor sectional area can lead to the increase of the cost, meanwhile, the charging cable becomes thick and heavy, the flexibility is reduced, the operation difficulty of a user is improved, and the service life of the cable is reduced.
One means for solving the problem of the temperature rise of the cable is to adopt a liquid cooling cable, the existing liquid cooling cable is of a hollow structure, cooling water is introduced into an inner pipe, the cooling water flowing in the inner pipe is used for removing heat generated during the charging of a conducting wire, the temperature of the cable is reduced, and the large-current transmission in the charging process is facilitated.
For the temperature rise of the electrode, the following heat dissipation technologies are available at the present stage: utilize thermoelectric semiconductor refrigeration subassembly's heat-absorbing surface, the heat that sends when connecting the terminal and charging in time conducts to thermoelectric semiconductor refrigeration subassembly to distribute away above-mentioned heat through thermoelectric semiconductor refrigeration subassembly's cooling surface, electrode temperature when effectively reducing to charge, and then eliminate the potential safety hazard that brings because of the temperature risees when charging. A heat exchange groove is arranged in the charging gun and is connected with a liquid inlet pipe and a liquid outlet pipe, a main line terminal and a wire terminal pass through the heat exchange groove, and heat generated by charging of the terminals is taken away by cooling liquid through the heat exchange groove.
However, the above cooling methods for cables or electrodes have drawbacks: the inner tube in the liquid cooling cable is indirectly contacted with the lead, and the heat dissipation capacity of the liquid cooling cable still cannot meet the heat dissipation requirement of large current; the thermoelectric semiconductor refrigeration component and the heat exchange groove do not directly solve the heat dissipation problem from the body of the electrode terminal of the cable, and the heat exchange efficiency of the thermoelectric semiconductor refrigeration component and the heat exchange groove is difficult to meet the heat dissipation requirement during high-current charging; in addition, the prior art respectively cools the cable and the electrode, so that the cost is high, and the heat dissipation efficiency is difficult to ensure.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the charging assembly for the automobile, which combines the heat pipe cooling technology and the liquid cooling technology together, so that the cooling water can cool the cable and the electrode simultaneously, the cooling links are reduced, the cooling efficiency is improved, and the charging speed can be ensured.
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
a charging assembly for an automobile is provided, the charging assembly including a liquid cooled cable portion and a liquid cooled electrode portion connected to the liquid cooled cable portion; the liquid cooling cable part consists of an insulating outer tube, a conducting wire and an inner tube, wherein a pipeline for cooling water to flow is formed in the inner tube, the conducting wire is tightly surrounded on the outer side of the inner tube, and the insulating outer tube is arranged on the outer side of the conducting wire; the liquid cooling electrode part consists of an electrode and a heat pipe, the electrode is connected with the lead, one part of the heat pipe is inserted in the middle of the electrode, and cooling water flows through the other part of the heat pipe.
Preferably, an inter-wire layer is formed between the inner tube and the insulating outer tube, the wires are located in the inter-wire layer, and the inter-wire layer forms a space through which cooling water can flow.
Preferably, the insulating outer tube, the lead and the inner tube are respectively connected with the electrode in different radius ranges, the overlapping and pressing part of the insulating outer tube and the electrode is an outer tube connecting section, the overlapping and connecting part of the lead and the electrode is a lead connecting section, the overlapping and pressing part of the inner tube and the electrode is an inner tube connecting section, and the radii of the three connecting sections are sequentially reduced.
Preferably, the heat pipe comprises a heat pipe heat absorption section and a heat pipe cooling section, the heat pipe heat absorption section is inserted in the center of the electrode, and cooling water flows through the heat pipe cooling section of the heat pipe.
Preferably, the electrode is close to the one end of liquid cooling cable part is formed with the cooling chamber of stairstepping, and the opening of cooling chamber faces liquid cooling cable part, and the sectional area on the ladder upper portion of cooling chamber is greater than its ladder lower part's sectional area, heat pipe heat absorption section interference fit assigns in the ladder lower part, heat pipe cooling section with form the annular space that supplies cooling water to flow through between the ladder upper portion.
Preferably, the bottom of the upper part of the ladder is provided with a circle of backflow holes which are uniformly distributed along the circumferential direction of the electrode, and the backflow holes are used for communicating the inner pipe and the annular space with the wire interlayer.
Preferably, the heat pipe further comprises a heat storage section located between the heat absorption section of the heat pipe and the cooling section of the heat pipe, the heat pipe is internally provided with a phase change working medium, and the heat storage section is filled with a heat storage material.
Preferably, the phase-change working medium can circularly flow among the heat pipe heat absorption section, the heat storage section and the heat pipe cooling section, the heat storage material is a heat storage ball, the heat storage ball is sequentially placed in the heat storage section through a metal net and a grid, and the heat storage ball contains the phase-change material.
Preferably, the charging assembly further comprises two sets of temperature sensors, a flow sensor and a controller, wherein the two sets of temperature sensors are used for respectively detecting the temperatures of the electrode and the cooling water, the flow sensor is used for detecting the flow of the cooling water, and the temperature sensor and the flow sensor are respectively electrically connected with the controller.
Preferably, when the temperature detected by the temperature sensor exceeds a preset value, the controller reduces the charging current to a preset range or stops charging, or increases the flow rate of the cooling water; when the flow rate detected by the flow rate sensor is lower than a preset value, the controller reduces the charging current to a preset range or stops charging.
The charging assembly for the automobile has the advantages that on one hand, heat generated by the electrode and the conducting wire is taken away through the circulating loop of the cooling water, the structure is simple, the cooling efficiency is high, on the other hand, the cooling water is directly contacted with the conducting wire, more heat generated by the conducting wire can be taken away, meanwhile, the heat pipe structure can improve the cooling efficiency, the stable heat dissipation of the electrode and the safe work of the charging assembly are guaranteed, the control system can detect the faults of the charging system and the cooling system in the charging process in real time, and the work safety of the charging assembly is guaranteed.
Drawings
FIG. 1 shows a schematic axial cross-sectional view of a charging assembly in accordance with an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a heat pipe according to an embodiment of the present invention.
Description of the reference numerals: 1-electrode terminal, 2-electrode, 3-heat pipe heat absorption section, 4-heat pipe cooling section, 5-insulating outer pipe, 6-lead, 7-inner pipe, 8-insulating outer pipe connecting section, 9-lead connecting section, 10-inner pipe connecting section, 11-reflux hole, 12-isolation ring, 20-heat storage section, 21-heat storage ball, 22-metal net and 23-grid.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments of the present invention may be arbitrarily combined with each other without conflict.
The cable core of the cooling cable of the new energy automobile charging pile generally comprises two power cables, a ground wire, two auxiliary power cables, two signal cables and a control cable, wherein fillers are filled in the cable core, the cables are all embedded in the fillers and surrounded by the fillers, and a cable insulation outer sheath is coated outside the cable core.
The charging assembly for the automobile in the invention refers to the structure of each cable and the corresponding electrode terminal assembly. Taking a power cable as an example, as shown in fig. 1, it is a central sectional view along the axial direction of the cable at the position where the power cable and the electrode are connected according to the present invention. The charging assembly for an automobile includes a liquid cooled cable portion and a liquid cooled electrode portion connected to the liquid cooled cable portion. The liquid cooling cable part consists of an insulating outer tube 5, a lead 6 and an inner tube 7, a pipeline for cooling water to flow is formed in the inner tube 7, the lead 6 is tightly surrounded on the outer side of the inner tube 7, and the insulating outer tube 5 is arranged on the outer side of the lead 6; the liquid cooling electrode part consists of an electrode 2 and a heat pipe, wherein the electrode 2 is connected with the lead 6, one part of the heat pipe is inserted in the center of the electrode 2, and cooling water flows through the other part of the heat pipe. Wherein, the heat that electrode 2 department produced is absorbed to one end of heat pipe, transmits this heat to the other end of heat pipe, and the circulation has cooling water in the inner tube 7, and cooling water and the other end of heat pipe produce the heat exchange, take away the heat, cool off electrode 2. Meanwhile, the cooling water circulating in the inner pipe 7 also exchanges heat with the conducting wire 6 of the liquid cooling cable part, so that the heat generated by the conducting wire 6 is taken away, and the conducting wire 6 is cooled. The heat generated by the electrode 2 of the liquid cooling electrode part and the heat generated by the lead 6 of the liquid cooling cable part are taken away simultaneously through the circulation of cooling water, so that the heat dissipation problem of the electrode 2 and the lead 6 can be solved more efficiently, and the heat dissipation efficiency is improved.
The liquid cooling cable part is composed of an insulating outer tube 5, a lead 6 and an inner tube 7 from outside to inside in sequence. The inner tube 7 forms a pipe through which cooling water flows. An inter-wire layer is formed between the inner tube 7 and the insulating outer tube 5, and the wire 6 is located in the inter-wire layer. The wire 6 tightly surrounds the outer side of the inner tube 7, and the wire 6 can be formed by wrapping a copper foil tape, or can be formed by a copper foil tape wrapping layer and a copper wire cross woven layer, or can be formed by a copper wire cross woven layer. And a space for cooling water to flow is formed in the inter-wire layer, the cooling water directly exchanges heat with the wire 6, the heat generated by the wire 6 is taken away, and the wire 6 is cooled.
The insulating outer tube 5, the lead wire 6 and the inner tube 7 are connected to the electrode 2 in different radius ranges, respectively. The electrode 2 of the liquid cooling electrode part is a cylindrical metal conductor, one end of the electrode is connected with the electrode terminal 1 of the new energy automobile in an inserting mode, and the other end of the electrode is connected with the liquid cooling cable part insulating outer tube 5, the conducting wire 6 and the inner tube 7 respectively. Two stepped steps are formed on the outer end face of the electrode 2 close to the liquid cooling cable part. The insulating outer tube 5 is overlapped and pressed with the cylindrical outer peripheral surface of the electrode 2, the overlapped and pressed part is an outer tube connecting section 8, and a circle of isolating ring 12 is arranged at the end point of the outer tube connecting section 8 to be isolated from the electrode terminal 1; the lead 6 is connected with the large-diameter step of the step-shaped step in a superposition way, the superposed and connected part is a lead connecting section 9, and the lead 6 is simultaneously connected with the axial end face of the large-diameter step; the inner pipe 7 is overlapped and pressed with the small-diameter step of the stepped step, the overlapped and pressed part is an inner pipe connecting section 10, and the radiuses of the outer pipe connecting section 8, the lead connecting section 9 and the inner pipe connecting section 10 are reduced in sequence. And fixedly connecting the liquid cooling electrode part with the liquid cooling cable part through the three connecting sections.
The electrode 2 is formed with a stepped cooling chamber at one end of the liquid cooling cable part, the opening of the cooling chamber faces the liquid cooling cable part, the sectional area of the upper part of the step of the cooling chamber is larger than that of the lower part of the step, and the cooling chamber is communicated with the cooling water pipeline of the inner pipe. The heat pipe comprises a heat pipe heat absorption section 3 and a heat pipe cooling section 4. The heat pipe heat absorption section 3 of the heat pipe is inserted in the lower part of the ladder in an interference fit manner, the heat pipe heat absorption section 3 absorbs heat generated by the electrode 2 in the charging process and transfers the heat to the heat pipe cooling section 4, the heat pipe cooling section 4 is positioned in the upper part of the ladder of the cooling cavity and forms an annular space with the upper part of the ladder of the cooling cavity, heat exchange is carried out between cooling water and the heat pipe cooling section 4, and finally the heat generated by the electrode 2 is taken away. The bottom end of the upper part of the ladder is provided with a circle of return holes 11 which are uniformly distributed along the circumferential direction of the electrode 2, and cooling water flows to the wire interlayer through the inner pipe 7, the cooling cavity and the return holes 12 to form the circulating flow of the cooling water.
As shown in fig. 2, the heat pipe includes a heat pipe heat absorption section 3, a heat pipe cooling section 4, and a heat storage section 20 located between the heat pipe heat absorption section 3 and the heat pipe cooling section 4, a phase change working medium is filled in the heat pipe, and a heat storage material is filled in the heat storage section 20. The phase-change working medium can circularly flow among the heat pipe heat absorption section 3, the heat storage section 20 and the heat pipe cooling section 4, the heat storage material is heat storage balls 21, the heat storage balls 21 are sequentially arranged in the heat storage section 20 through a metal net 22 and a grid 23, and a space for the phase-change working medium to flow is arranged among the metal net 22, the grid 23 and the heat storage balls 21. The heat storage balls 21 contain a phase change material, which may be paraffin. The heat storage material can play a role in storing heat, and can smoothly discharge the heat generated by the electrode 2 through the heat pipe; meanwhile, when the cooling system or the charging system breaks down suddenly, the heat storage material can still absorb part of the heat generated by the electrode 2, so that sufficient time is provided for the response of the controller.
The charging assembly also includes a temperature sensor, a flow sensor, and a controller (not shown). The temperature sensors are arranged at the electrodes and used for detecting the temperature of the electrodes, and the temperature sensors are arranged in the circulation loop of the cooling water and used for detecting the temperature of the cooling water at different positions. The flow sensor is provided in the circulation circuit of the cooling water and detects the flow rate of the cooling water.
In the working process, the temperature sensor continuously sends detected temperature signals of the electrode and the cooling water to the controller, the temperature threshold values of the electrode and the cooling water are prestored in the controller, when the detected temperature of the electrode or the detected temperature of the cooling water exceeds a preset value in the controller, the cooling system of the charging assembly possibly breaks down or the output current of the charging pile is too large, the controller automatically reduces the charging current to a preset range or stops charging after judgment, and sends out abnormal charging signals such as sound and light alarm signals to remind a user, or improves the flow of the cooling water or reduces the temperature of the cooling water, so that the temperatures of the electrode and a lead are reduced.
During the working process, the flow sensor continuously sends the detected flow signal of the cooling water to the controller, the flow threshold value is prestored in the controller, when the detected flow of the cooling water exceeds the preset value in the controller, the cooling pipeline of the charging assembly possibly has faults of bending, blocking and the like, the controller automatically reduces the charging current to the preset range or stops charging after judgment, and sends out a sound and light alarm signal and other charging abnormal signals to remind a user.
Alternatively, explosion-proof heat-insulating cooling oil can be selected to replace water as the cooling medium, so that the safety performance of the cooling medium in the charging process can be improved.
The working process of the charging assembly for the automobile in the embodiment of the invention is as follows:
the electric energy is transmitted to the electrode through the conducting wire and then transmitted to the new energy automobile through the electrode. The cooling water is pressurized by the water pump, flows along the arrow direction shown in fig. 1, flows into the cooling cavity from the inner pipe, flows out of the cooling cavity through the backflow hole, flows into the wire interlayer between the inner pipe and the insulating outer pipe, is filled with the cooling water, and flows back to the water pump through the wire interlayer to complete circulation. Alternatively, the cooling water may be circulated in the opposite direction to the above circulation. The heat that the electrode produced passes through the heat pipe heat absorption section and passes to the heat pipe, and the heat is transmitted to heat pipe cooling segment by heat pipe heat absorption section, and heat pipe cooling segment contacts the heat transfer with the cooling water in the cooling chamber, and the cooling water walks the heat on the heat pipe, and the cooling water flows in and is full of the interstratum between insulating outer tube and the inner tube through the backward flow hole, carries out abundant contact heat transfer with the wire, takes away the heat that the wire produced.
The charging assembly for the automobile has the advantages that on one hand, heat generated by the electrode and the conducting wire is taken away through the circulating loop of the cooling water, the structure is simple, the cooling efficiency is high, on the other hand, the cooling water is directly contacted with the conducting wire, more heat generated by the conducting wire can be taken away, meanwhile, the heat pipe structure can improve the cooling efficiency, the stable heat dissipation of the electrode and the safe work of the charging assembly are guaranteed, the control system can detect the faults of the charging system and the cooling system in the charging process in real time, and the work safety of the charging assembly is guaranteed.
Although the embodiments of the present invention have been described above, the above descriptions are only for the convenience of understanding the present invention, and are not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A charging assembly for an automobile, the charging assembly comprising a liquid cooled cable portion and a liquid cooled electrode portion connected to the liquid cooled cable portion; the liquid cooling cable is characterized in that the liquid cooling cable part consists of an insulating outer tube, a conducting wire and an inner tube, a pipeline for cooling water to flow is formed in the inner tube, the conducting wire is tightly surrounded on the outer side of the inner tube, and the insulating outer tube is arranged on the outer side of the conducting wire; the liquid cooling electrode part consists of an electrode and a heat pipe, the electrode is connected with the lead, one part of the heat pipe is inserted in the middle of the electrode, and cooling water flows through the other part of the heat pipe.
2. The charging assembly according to claim 1, wherein an inter-wire layer is formed between the inner tube and the insulating outer tube, the wires are located in the inter-wire layer, and the inter-wire layer forms a space in which cooling water can flow.
3. The charging assembly according to claim 2, wherein the insulating outer tube, the lead and the inner tube are respectively connected with the electrode in different radius ranges, the part of the insulating outer tube, which is overlapped and pressed with the electrode, is an outer tube connecting section, the part of the lead, which is overlapped and connected with the electrode, is a lead connecting section, the part of the inner tube, which is overlapped and pressed with the electrode, is an inner tube connecting section, and the radii of the three connecting sections are sequentially reduced.
4. The charging assembly of claim 2, wherein the heat pipe comprises a heat pipe heat absorbing section and a heat pipe cooling section, the heat pipe heat absorbing section is inserted in the center of the electrode, and cooling water flows through the heat pipe cooling section of the heat pipe.
5. The charging assembly of claim 4, wherein the electrode has a stepped cooling cavity formed at an end thereof adjacent to the liquid-cooled cable portion, the cooling cavity opens toward the liquid-cooled cable portion, the sectional area of the upper portion of the step of the cooling cavity is larger than that of the lower portion of the step, the heat absorbing section of the heat pipe is inserted into the lower portion of the step in an interference fit manner, and an annular space for cooling water to flow through is formed between the cooling section of the heat pipe and the upper portion of the step.
6. The charging assembly according to claim 5, wherein the bottom of the upper part of the step is provided with a circle of backflow holes uniformly distributed along the circumferential direction of the electrode, and the backflow holes communicate the inner pipe, the annular space and the inter-wire layer.
7. The charging assembly of claim 4, wherein the heat pipe further comprises a heat storage section located between the heat pipe heat absorption section and the heat pipe cooling section, the heat pipe having a phase change working medium therein, the heat storage section being filled with a heat storage material.
8. The charging assembly of claim 7, wherein the heat pipe heat absorption section, the heat accumulation section and the heat pipe cooling section are communicated with each other, the heat accumulation material is a heat accumulation ball, the heat accumulation ball is arranged in the heat accumulation section in sequence through a metal mesh and a grid, and the heat accumulation ball contains a phase change material.
9. The charging assembly according to claim 1 or 2, further comprising two sets of temperature sensors for detecting temperatures of the electrode and the cooling water, respectively, a flow sensor for detecting a flow rate of the cooling water, and a controller electrically connected to the temperature sensors and the flow sensor, respectively.
10. The charging assembly according to claim 9, wherein when the temperature detected by the temperature sensor exceeds a preset value, the controller reduces the charging current to a preset range or stops charging, or increases the flow rate of the cooling water; when the flow rate detected by the flow rate sensor is lower than a preset value, the controller reduces the charging current to a preset range or stops charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811502149.4A CN109624741B (en) | 2018-12-10 | 2018-12-10 | Charging assembly for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811502149.4A CN109624741B (en) | 2018-12-10 | 2018-12-10 | Charging assembly for automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109624741A CN109624741A (en) | 2019-04-16 |
| CN109624741B true CN109624741B (en) | 2021-06-08 |
Family
ID=66072265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811502149.4A Active CN109624741B (en) | 2018-12-10 | 2018-12-10 | Charging assembly for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109624741B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7163865B2 (en) * | 2019-05-14 | 2022-11-01 | 株式会社オートネットワーク技術研究所 | Connection terminals and connectors |
| CN113942407B (en) * | 2021-11-29 | 2024-01-23 | 宁波三星智能电气有限公司 | Charging device and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016105347A1 (en) * | 2016-03-22 | 2017-09-28 | Phoenix Contact E-Mobility Gmbh | Connector part with a cooled contact element |
| CN107640046A (en) * | 2017-09-13 | 2018-01-30 | 常州大学 | A kind of charging pile with cable refrigerating function |
| EP3043421B1 (en) * | 2015-01-12 | 2018-04-18 | Phoenix Contact e-Mobility GmbH | Electric connection body for a charging connector and/or a charging socket, charging connector and charging station for supplying electric energy to a receiver of electrical energy |
| CN108847316A (en) * | 2018-06-06 | 2018-11-20 | 洛阳正奇机械有限公司 | The dedicated liquid cooling cable DC+ of a kind of 600A direct-current charging post and DC-'s and the cold type of cooling |
| CN208142392U (en) * | 2018-04-02 | 2018-11-23 | 东莞市趣电智能科技有限公司 | A kind of charging gun of the water-cooling of anti-short circuit |
-
2018
- 2018-12-10 CN CN201811502149.4A patent/CN109624741B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3043421B1 (en) * | 2015-01-12 | 2018-04-18 | Phoenix Contact e-Mobility GmbH | Electric connection body for a charging connector and/or a charging socket, charging connector and charging station for supplying electric energy to a receiver of electrical energy |
| DE102016105347A1 (en) * | 2016-03-22 | 2017-09-28 | Phoenix Contact E-Mobility Gmbh | Connector part with a cooled contact element |
| CN107640046A (en) * | 2017-09-13 | 2018-01-30 | 常州大学 | A kind of charging pile with cable refrigerating function |
| CN208142392U (en) * | 2018-04-02 | 2018-11-23 | 东莞市趣电智能科技有限公司 | A kind of charging gun of the water-cooling of anti-short circuit |
| CN108847316A (en) * | 2018-06-06 | 2018-11-20 | 洛阳正奇机械有限公司 | The dedicated liquid cooling cable DC+ of a kind of 600A direct-current charging post and DC-'s and the cold type of cooling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109624741A (en) | 2019-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7075144B2 (en) | Series cooling structure of positive and negative liquid-cooled electric cables of a kind of high-power charging stand | |
| CN107425318B (en) | charging gun | |
| JP7075143B2 (en) | A kind of high-power charging stand Parallel coolant-cooled electric cable for positive and negative electrodes | |
| CN109624741B (en) | Charging assembly for automobile | |
| CN206639641U (en) | A kind of cooling cable system for the high-power charging of electric automobile | |
| CN111105899A (en) | Liquid cooling cable of European standard direct current charging gun | |
| CN111129856A (en) | Liquid cooling cable for new forms of energy electric automobile charging socket | |
| CN103730705A (en) | Super-capacity lithium ion battery pack with heat-transfer oil circulating radiating device | |
| CN113085608A (en) | Liquid cooling structure of terminal that radiating effect is good | |
| CN211088574U (en) | Cable terminal subassembly and vehicle that has it | |
| CN211294719U (en) | Liquid cooling cable of European standard direct current charging gun | |
| CN113380451A (en) | Charging cable | |
| CN209257902U (en) | A kind of charging assembly for automobile | |
| CN116959799A (en) | Liquid cooling charging cable and charging device | |
| CN217956075U (en) | Conductive medium and liquid cooling control system for conductive medium | |
| CN217823617U (en) | Liquid cooling connector assembly and vehicle | |
| CN109599694B (en) | Charging device and vehicle | |
| CN211265088U (en) | Self-cooling cable and cable self-cooling system | |
| JPH11121059A (en) | Intermediate connection portion for superconducting cable | |
| CN114583353A (en) | Large-capacity battery pack with temperature control device | |
| CN110165459B (en) | Connecting structure of cable for charging gun and charging gun binding post | |
| CN114865410A (en) | Connector assembly with liquid cooling function and vehicle | |
| CN219349834U (en) | Integrated sheath type high-power cable | |
| CN112713414A (en) | Liquid cooling terminal structure for high-power charging | |
| KR102526967B1 (en) | Electirc Vehicle Charging Connector and Electirc Vehicle Charging Assembly Having The Same |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201019 Address after: 201313 room 118, building 20, no.1-42, Lane 83, Hongxiang North Road, Lingang New Zone, China (Shanghai) free trade pilot zone, Pudong New District, Shanghai Applicant after: Shanghai fenfenfen New Energy Technology Co., Ltd Address before: 100103 Unit 302, Building 7, Courtyard 5, Xidian Road, Chaoyang District, Beijing Applicant before: Shen Qimeng |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |