CN118231049A - Charging pile cable - Google Patents
Charging pile cable Download PDFInfo
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- CN118231049A CN118231049A CN202410643414.XA CN202410643414A CN118231049A CN 118231049 A CN118231049 A CN 118231049A CN 202410643414 A CN202410643414 A CN 202410643414A CN 118231049 A CN118231049 A CN 118231049A
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- 239000004020 conductor Substances 0.000 claims abstract description 105
- 238000002955 isolation Methods 0.000 claims abstract description 55
- 238000001816 cooling Methods 0.000 claims abstract description 39
- 239000000110 cooling liquid Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims description 22
- 239000002826 coolant Substances 0.000 claims description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 6
- 230000036760 body temperature Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to a charging pile cable, which comprises a cable body and a charging head, wherein an anode conductor and a cathode conductor are arranged in the cable body, an insulating layer is arranged around the anode conductor and around the cathode conductor, a cooling layer is arranged around the insulating layer, a flow channel for cooling liquid to pass through is formed between the cooling layer and the insulating layer, an anode cavity, a cathode cavity and an isolation cavity are arranged at the charging head, the isolation cavity is communicated with the anode cavity and the isolation cavity, a first one-way valve is arranged between the isolation cavity and the anode cavity, a second one-way valve is arranged between the isolation cavity and the cathode cavity, and a driving piece for enabling the space in the isolation cavity to intermittently change is arranged in the charging head; the temperature of the positive electrode conductor and the temperature of the negative electrode conductor can be reduced, so that the temperature of the cable body can be controlled, potential safety hazards are avoided when the temperature of the cable body is too high, the charging process is not easily affected due to the fact that the temperature of the cable body is too high during charging, and safety threat to a user can be avoided.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a charging pile cable.
Background
The charging pile cable is used for connecting the charging pile and the electric vehicle. The charging post cable is typically composed of a plug at both ends and a cable in the middle for transmitting electrical energy from the charging post to the battery pack of the electric vehicle for charging. The charging pile cable generally has the characteristics of water resistance, high temperature resistance, abrasion resistance and the like so as to ensure safe and reliable charging operation. Different types of electric vehicles may require different specifications of charging stake cables, and thus matching electric vehicle models and charging power requirements may be considered in selecting the charging stake cable. The charging pile cable plays an important role in promoting popularization of the electric vehicle and facilitating charging of users.
During the charging process, when the current exceeds the range that the charging pile cable can bear, the cable can be overloaded, and the temperature is increased. If the tolerance limit of the cable is exceeded, thermal damage or even short-circuiting of the cable may be caused, thereby posing a threat to the charging process and the safety of the user.
Disclosure of Invention
In order to solve the problems, the application provides a charging pile cable.
The above object of the present invention is achieved by the following technical solutions: the utility model provides a fill electric pile cable, includes the cable body and charges the head, the inside anodal conductor and the negative pole conductor that set up of cable body encircle anodal conductor, encircle the negative pole conductor is provided with the insulating layer, encircles the insulating layer and is provided with the cooling layer, is formed with the runner that supplies the coolant liquid to pass through between cooling layer and the insulating layer, it is provided with anodal chamber, negative pole chamber and isolation chamber to charge head department, runner and anodal chamber intercommunication between anodal conductor and the cooling layer, runner and negative pole chamber intercommunication between negative pole conductor and the cooling layer, isolation chamber and anodal chamber isolation chamber and negative pole chamber intercommunication, just be provided with first check valve between isolation chamber and the anodal chamber, be provided with the second check valve between isolation chamber and the negative pole chamber, first check valve and second check valve are opposite with the direction of switch-on of keeping apart the chamber, be provided with the driving piece that is used for making the space intermittent type nature change in the isolation chamber in the charging head.
Through adopting above-mentioned technical scheme, when charging, with runner and external coolant liquid storage device intercommunication, the space through driving piece drive isolation intracavity changes, and the coolant liquid will get into the runner this moment in, and the coolant liquid can reduce the temperature of anodal conductor and negative pole conductor when flowing in the runner to control cable body's temperature, avoid cable body temperature to appear the potential safety hazard when too high, be difficult for influencing the charging process because of cable body temperature is too high when charging, can not cause the security threat to the user.
Preferably, the conducting direction of the first one-way valve is from the isolating cavity side to the positive cavity side, and the conducting direction of the second one-way valve is from the negative cavity side to the isolating cavity side.
Through adopting above-mentioned technical scheme, when the volume in the isolation chamber through driving piece drive became small, first check valve switched on and the second check valve was closed, the coolant liquid in the isolation chamber got into anodal intracavity this moment, when the volume in the isolation chamber became big, first check valve closed and the second check valve switched on, the coolant liquid in the negative pole chamber got into the isolation intracavity this moment, along with the volume intermittent type nature change in isolation chamber, will make the coolant liquid circulate between negative pole chamber, isolation chamber and anodal chamber to make the coolant liquid constantly circulate and take away the heat on anodal conductor and the negative pole conductor.
Preferably, the flow channel is internally provided with insulating cooling liquid, the positive electrode conductor passes through the positive electrode cavity, the negative electrode conductor passes through the negative electrode cavity, at least part of the positive electrode conductor positioned in the positive electrode cavity is exposed in the positive electrode cavity, and at least part of the negative electrode conductor positioned in the negative electrode cavity is exposed in the negative electrode cavity.
Through adopting above-mentioned technical scheme, in the charging process, except that positive pole conductor and negative pole conductor generate heat, automobile battery also can generate heat, thereby have certain potential safety hazard when charging, through exposing partial positive pole conductor in the positive pole intracavity in the charging head, expose partial negative pole conductor in the negative pole intracavity, can reduce the temperature of positive pole conductor and negative pole conductor that is located the charging head fast, and positive pole conductor and negative pole conductor can be with automobile battery circuit contact when charging, consequently, can be located the positive pole conductor and the negative pole conductor of charging head and be in the partial heat of automobile battery when lower temperature, thereby reduce automobile battery's heat, improve the security in the charging process, simultaneously, in the charging process, positive pole conductor generates heat and is greater than negative pole conductor, consequently, positive pole conductor temperature is higher than negative pole conductor, and the coolant liquid reentrant positive pole intracavity after entering negative pole intracavity from negative pole conductor side, consequently, when carrying coolant liquid to the charging head inside from coolant liquid storage device, coolant liquid temperature change less, thereby make the coolant liquid temperature that gets into positive pole intracavity and negative pole intracavity lower, further improve the heat of automobile battery and the heat that can send out more effectively to the battery of positive pole conductor and negative pole conductor in the charging process.
Preferably, a heat conducting fin is arranged on the positive electrode conductor in the positive electrode cavity and on the negative electrode conductor in the negative electrode cavity.
Through adopting above-mentioned technical scheme, thereby through the cooling efficiency of heat conduction fin acceleration anodal conductor and negative pole conductor to make anodal conductor and car battery contact department, negative pole conductor and car battery contact department's temperature lower, more easily reduce car battery temperature, thereby make car battery temperature lower in the charging process, improve charging efficiency.
Preferably, a plurality of supporting protrusions are arranged on the insulating layer along the length direction of the insulating layer, the supporting protrusions are used for propping against the inner wall of the cooling layer, and a flow channel is formed between every two adjacent supporting protrusions.
Through adopting above-mentioned technical scheme, through supporting the arch, can form the runner between insulating layer and cooling layer, when the cable body is crooked, also be difficult for leading to the runner to be plugged up for the runner keeps unobstructed throughout in use, improves the cooling effect to cable body and charging head.
Preferably, when the charging head is connected with the vehicle to be charged, the horizontal height of the first one-way valve is greater than the horizontal height of the second one-way valve.
Through adopting above-mentioned technical scheme, because in use, the coolant liquid can only follow the negative pole chamber and get into the isolation chamber, follow the isolation chamber again and get into the positive pole chamber, through setting up higher with the level of first check valve, can effectively discharge the air in negative pole chamber, isolation chamber and the positive pole chamber, improve cooling efficiency.
Preferably, the isolation cavity comprises a hollow elastic shell, an elastic piece is arranged in the hollow elastic shell, and the driving piece is used for driving the hollow elastic shell to shrink intermittently.
Through adopting above-mentioned technical scheme, can make the isolation chamber in time resume the original state after being compressed through the elastic component to make the space intermittent type nature in the isolation chamber reduce and increase, the coolant liquid of being convenient for flows in the runner.
Preferably, the cross-sectional area of the flow path between the positive electrode conductor and the cooling layer is larger than the flow path between the negative electrode conductor and the cooling layer.
Through adopting above-mentioned technical scheme, because the positive pole conductor generates heat more, consequently increase the cross-sectional area of runner between positive pole conductor and the cooling layer, can reduce the speed that the coolant liquid flows around the positive pole conductor to make the coolant liquid absorb more heat around the positive pole conductor, also make the coolant liquid more around the positive pole conductor simultaneously, consequently, make the coolant liquid heat up required heat more, improve heat absorption efficiency, it is better to the positive pole conductor cooling effect.
Preferably, the positive electrode conductor and the negative electrode conductor are uniformly distributed in the cable body.
Through adopting above-mentioned technical scheme, because the runner is located around anodal conductor and the negative pole conductor, consequently, will anodal conductor and negative pole conductor equipartition be in the cable is originally internal, can make runner equipartition in the cable is originally internal to the cooling effect of cable is better, makes the cable body everywhere temperature can all keep in suitable temperature range.
Preferably, the cable body is internally provided with a reinforcing stay wire, the reinforcing stay wire is distributed along the length of the cable body, and the reinforcing stay wire is fixedly connected with the charging head.
Through adopting above-mentioned technical scheme, in use, the cable body can appear by the condition of pulling, and when the cable body was pulled, probably lead to the runner to break, in order to avoid the circumstances that the runner was broken after the cable body was tensile, set up the reinforcing stay in the cable body, make the cable body can not appear great deformation after receiving great pulling force through the reinforcing stay to make the runner be difficult for breaking.
In summary, the present invention includes at least one of the following beneficial technical effects:
when the cooling liquid flows in the flow channel, the temperatures of the positive electrode conductor and the negative electrode conductor can be reduced, so that the temperature of the cable body is controlled, potential safety hazards are avoided when the temperature of the cable body is high, the charging process is not easily influenced due to the fact that the temperature of the cable body is too high during charging, and safety threat to a user is avoided;
The supporting bulge can form a flow channel between the insulating layer and the cooling layer, and when the cable body is bent, the flow channel is not easy to be blocked, so that the flow channel is always kept smooth in use, and the cooling effect of the cable body and the charging head is improved.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present application.
Fig. 2 is a schematic cross-sectional structure of a cross-section of a cable body.
Fig. 3 is a schematic cross-sectional structure of the charging head.
Fig. 4 is an enlarged schematic view of the a portion structure in fig. 3.
In the figure, 1, a cable body; 2. a charging head; 3. a positive electrode conductor; 4. a negative electrode conductor; 5. a cooling layer; 6. a positive electrode cavity; 7. a negative electrode cavity; 8. an isolation chamber; 9. a flow passage; 10. a first one-way valve; 11. a second one-way valve; 12. a driving member; 13. a heat conduction fin; 14. a supporting protrusion; 15. a hollow elastic housing; 16. an elastic member; 17. reinforcing stay wires; 18. an insulating layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In order that those skilled in the art will better understand the technical solutions in the present specification, the technical solutions in the embodiments of the present specification will be clearly and completely described below with reference to the drawings in the embodiments of the present specification, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments.
In describing embodiments of the present application, words such as "for example" or "for example" are used to mean serving as examples, illustrations, or descriptions. Any embodiment or design described herein as "such as" or "for example" in embodiments of the application should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "or" for example "is intended to present related concepts in a concrete fashion.
In the description of embodiments of the application, the term "plurality" means two or more. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating an indicated technical feature. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.
Referring to fig. 1 and fig. 2, the charging pile cable disclosed by the invention comprises a cable body 1 and a charging head 2, wherein a positive conductor 3, a negative conductor 4, a reinforcing stay 17 and a communication line are arranged in the cable body 1, the positive conductor 3 and the negative conductor 4 are used for transmitting electric energy to an automobile, the positive conductor 3 and the negative conductor 4 are uniformly distributed in the cable body 1, the reinforcing stay 17 is used for reinforcing the tensile property of the cable body 1, so that the cable body 1 is not easy to break or deform greatly when being stretched, the stability of the internal structure of the cable body 1 is ensured, the communication line is used for keeping communication with an automobile to be charged and a temperature sensor in the cable body 1, so that the temperatures of an automobile battery and the cable body 1 are conveniently fed back in time, the charging power, the flowing speed of a cooling liquid and the like are conveniently adjusted in time, the temperatures of the cable body 1 and the automobile battery are kept within a reasonable range, and the safety in the charging process is greatly improved. In this embodiment, strengthen the length distribution of acting as go-between 17 along cable body 1, strengthen the quantity of acting as go-between 17 and be at least one, strengthen the quantity of acting as go-between 17 and be 2 in this embodiment, strengthen the one end of acting as go-between 17 and charging head 2 fixed connection, strengthen the other end of acting as go-between 17 and be connected with the electric pile that fills, so, when the user forgets to pull out behind the charging head 2 start-up vehicle, can avoid cable body 1 to be broken circumstances such as appear, improves the life of cable body 1.
Wherein, surround the positive pole conductor 3, surround the negative pole conductor 4 and be provided with insulating layer 18, namely wrap up positive pole conductor 3 and negative pole conductor 4 through insulating layer 18, thereby play insulating effect, avoid appearing the condition such as short circuit in use, be provided with cooling layer 5 around insulating layer 18 in insulating layer 18 outer loop, in this embodiment, cooling layer 5 is made for insulating material, and cooling layer 5 and insulating layer 18 all have certain elasticity, be formed with the runner 9 that supplies the coolant liquid to pass through between cooling layer 5 and insulating layer 18, in this embodiment, be provided with supporting bulge 14 along the length direction of positive pole conductor 3 and negative pole conductor 4, supporting bulge 14 quantity is two at least, and a plurality of supporting bulge 14 distribute around insulating layer 18, supporting bulge 14 material is the same material as insulating layer 18, runner 9 forms between adjacent supporting bulge 14, in this embodiment, the cross section of supporting bulge 14 is semi-circular, thereby make cooling layer 5 and supporting bulge 14 contact department smoother, in other embodiments, the cross-section of supporting bulge 14 can be oval or circular etc.. In the present embodiment, the cross-sectional area of the flow passage 9 between the positive electrode conductor 3 and the cooling layer 5 is larger than the flow passage 9 between the negative electrode conductor 4 and the cooling layer 5.
Referring to fig. 3 and 4, the charging head 2 is used for docking with a charging port of an automobile so as to communicate the cable body 1 with the battery of the automobile, a positive electrode cavity 6, a negative electrode cavity 7 and an isolation cavity 8 are arranged in the charging head 2, when the charging head 2 is connected with the automobile to be charged, the horizontal height of a first one-way valve 10 is larger than that of a second one-way valve 11, in the embodiment, after the charging head 2 is docked with the automobile, the positive electrode cavity 6 is positioned at the top of the isolation cavity 8, the isolation cavity 8 is positioned at the top of the negative electrode cavity 7, the positive electrode cavity 6, the isolation cavity 8 and the negative electrode cavity 7 are sequentially communicated, a flow passage 9 between the positive electrode conductor 3 and the cooling layer 5 is communicated with the positive electrode cavity 6, the flow passage 9 between the negative electrode conductor 4 and the cooling layer 5 is communicated with the negative electrode cavity 7, the first one-way valve 10 is arranged between the isolation cavity 8 and the positive electrode cavity 6, the second one-way valve 11 is arranged between the isolation cavity 8 and the negative electrode cavity 7, a driving member 12 for intermittently changing the space in the isolation chamber 8 is arranged in the charging head 2, the space in the isolation chamber 8 is driven to be larger or smaller by the driving member 12, the first one-way valve 10 and the second one-way valve 11 are opposite to the conduction direction of the isolation chamber 8, in this embodiment, the conduction direction of the first one-way valve 10 is from the isolation chamber 8 side to the positive electrode chamber 6 side, the conduction direction of the second one-way valve 11 is from the negative electrode chamber 7 side to the isolation chamber 8 side, when the space in the isolation chamber 8 is made smaller, the second one-way valve 11 is closed and the first one-way valve 10 is opened, at the moment, the cooling liquid in the isolation chamber 8 enters the positive electrode chamber 6, then the space in the isolation chamber 8 is restored to be the original state, at the moment, under the action of negative pressure in the isolation chamber 8, the first one-way valve 10 is closed and the second one-way valve 11 is opened, at the moment, the cooling liquid in the negative electrode chamber 7 enters the isolation chamber 8, the cooling liquid can continuously enter the positive electrode cavity 6 from the negative electrode cavity 7 by continuous circulation, so that the cooling liquid is circulated.
In actual use, the cooling liquid storage device is required to be installed on the automobile charging pile, the flow channel 9 is communicated with the cooling liquid storage device, meanwhile, the cooling device is arranged in the cooling liquid storage device, cooling liquid in the cooling liquid storage device is cooled through the cooling device, and when the space in the isolation cavity 8 is continuously reduced and restored to the original state, the cooling liquid in the cooling liquid storage device continuously enters the positive cavity 6 and the negative cavity 7 through the flow channel 9 and enters the cooling liquid storage device from the positive cavity 6 and the negative cavity 7, so that the recycling and the circulating cooling of the cooling liquid are realized. In this embodiment, the cooling liquid storage device is a tank with a certain volume, the flow channels 9 around the positive electrode conductor 3 and the flow channels 9 around the negative electrode conductor 4 are respectively communicated with the tank, preferably, the position where the flow channels 9 around the positive electrode conductor 3 are communicated with the tank is located at the upper end of the tank, and the position where the flow channels 9 around the negative electrode conductor 4 are communicated with the tank is located at the bottom end of the tank.
Referring to fig. 3 and 4, in this embodiment, the cooling liquid is an insulating cooling liquid, such as oligosiloxane, fluorosilicone oil, silicone oil, and the like, and different cooling liquids can be selected according to the use needs and different areas, wherein at least part of the positive electrode conductor 3 is located in the positive electrode cavity 6, at least part of the negative electrode conductor 4 is located in the negative electrode cavity 7, part of the positive electrode conductor 3 located in the positive electrode cavity 6 is exposed in the positive electrode cavity 6, part of the negative electrode conductor 4 located in the negative electrode cavity 7 is exposed in the negative electrode cavity 7, and the heat conducting fins 13 are connected to the positive electrode conductor 3 exposed in the positive electrode cavity 6 and the negative electrode conductor 4 exposed in the negative electrode cavity 7, and the heat conducting fins 13 are located in the positive electrode cavity 6 and the negative electrode cavity 7.
The isolation cavity 8 is surrounded by a hollow elastic shell 15, in this embodiment, the hollow elastic shell 15 is made of an insulating material with higher elasticity, an elastic piece 16 is arranged inside the hollow elastic shell 15, in this embodiment, the elastic piece 16 is an insulating rubber block, the insulating rubber blocks are distributed in the isolation cavity 8 at intervals, the driving piece 12 is a miniature electric rod, a piston rod of the miniature electric rod is used for pushing the outer wall of the hollow elastic shell 15, so that the space inside the hollow elastic shell 15 is reduced, and when the piston rod of the miniature electric rod is recovered, the hollow elastic shell 15 is restored under the action of the elastic piece 16, so that the volume of the isolation cavity 8 is intermittently changed, and the cooling liquid is driven to flow in the flow channel 9.
When the automobile battery charging device is used, cooling liquid is injected into the flow channel 9, and when the cooling liquid is injected, the space in the intermittent driving isolation cavity 8 is continuously reduced and restored, at the moment, the cooling liquid is filled in the flow channel 9, the positive electrode cavity 6, the negative electrode cavity 7 and the isolation cavity 8, when the situation is in a cold area, the outdoor air temperature is very low, so that the charging efficiency of the automobile battery is very low, the purpose of quick charging cannot be achieved, therefore, the cooling liquid can be heated, the cable body 1 is heated through the cooling liquid, on the one hand, the temperature of the cable body 1 is kept in a reasonable range, the situation that the cable body 1 is frozen when the temperature is very low is avoided, and in addition, when the cable body 1 is very low, if the cable body 1 is stretched or bent, the cable body 1 is very easy to damage, therefore, the situation can be avoided when the situation is heated, meanwhile, the automobile battery can be heated through the positive electrode conductor 3 and the negative electrode conductor 4 to transfer heat to the automobile battery, the situation that the automobile battery is heated, the temperature of the automobile battery is increased in a certain range when the automobile battery is charged, and the situation that the charging efficiency of the automobile battery is very low is avoided.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (10)
1. The utility model provides a charging pile cable which is characterized in that, including cable body (1) and charging head (2), the inside positive conductor (3) and negative conductor (4) that set up of cable body (1), encircle positive conductor (3), encircle negative conductor (4) are provided with insulating layer (18), encircle insulating layer (18) and are provided with cooling layer (5), be formed with between cooling layer (5) and insulating layer (18) and supply runner (9) that the coolant liquid passed through, charging head (2) department is provided with positive chamber (6), negative electrode chamber (7) and isolation chamber (8), runner (9) and positive chamber (6) intercommunication between positive conductor (3) and cooling layer (5), runner (9) and negative chamber (7) intercommunication between negative conductor (4) and cooling layer (5), isolation chamber (8) and positive chamber (6), isolation chamber (8) and negative chamber (7) intercommunication, just be provided with between isolation chamber (8) and positive chamber (6) and isolation chamber (10), be provided with one-way valve (11) between second check valve (11) and second check valve (11), a driving piece (12) for enabling the space in the isolation cavity (8) to intermittently change is arranged in the charging head (2).
2. A charging pile cable according to claim 1, characterized in that the direction of conduction of the first non-return valve (10) is from the side of the isolating chamber (8) to the side of the positive chamber (6), and the direction of conduction of the second non-return valve (11) is from the side of the negative chamber (7) to the side of the isolating chamber (8).
3. The charging pile cable according to claim 1, characterized in that an insulating cooling liquid is introduced into the flow channel (9), the positive electrode conductor (3) passes through the positive electrode cavity (6), the negative electrode conductor (4) passes through the negative electrode cavity (7), at least part of the positive electrode conductor (3) positioned in the positive electrode cavity (6) is exposed in the positive electrode cavity (6), and at least part of the negative electrode conductor (4) positioned in the negative electrode cavity (7) is exposed in the negative electrode cavity (7).
4. A charging pile cable according to claim 3, characterized in that a heat conducting fin (13) is provided on the positive conductor (3) located in the positive cavity (6) and on the negative conductor (4) located in the negative cavity (7).
5. The charging pile cable according to claim 1, characterized in that a plurality of supporting protrusions (14) are arranged on the insulating layer (18) along the length direction of the insulating layer (18), the supporting protrusions (14) are used for abutting against the inner wall of the cooling layer (5), and a flow channel (9) is formed between every two adjacent supporting protrusions (14).
6. A charging pile cable according to claim 2, characterized in that the level of the first non-return valve (10) is greater than the level of the second non-return valve (11) when the charging head (2) is connected to the vehicle to be charged.
7. A charging pile cable according to claim 2, characterized in that the isolation cavity (8) comprises a hollow elastic housing (15), an elastic member (16) being arranged in the hollow elastic housing (15), the driving member (12) being adapted to drive the hollow elastic housing (15) to intermittently contract.
8. The charging pile cable according to claim 1, characterized in that the cross-sectional area of the flow channel (9) between the positive conductor (3) and the cooling layer (5) is larger than the flow channel (9) between the negative conductor (4) and the cooling layer (5).
9. The charging pile cable according to claim 1, characterized in that the positive conductor (3) and the negative conductor (4) are uniformly distributed in the cable body (1).
10. The charging pile cable according to claim 1, characterized in that a reinforcing stay wire (17) is arranged in the cable body (1), the reinforcing stay wires (17) are distributed along the length of the cable body (1), and the reinforcing stay wires (17) are fixedly connected with the charging head (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410643414.XA CN118231049A (en) | 2024-05-23 | 2024-05-23 | Charging pile cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410643414.XA CN118231049A (en) | 2024-05-23 | 2024-05-23 | Charging pile cable |
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| CN118231049A true CN118231049A (en) | 2024-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410643414.XA Pending CN118231049A (en) | 2024-05-23 | 2024-05-23 | Charging pile cable |
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| WO2023093502A1 (en) * | 2021-11-29 | 2023-06-01 | 宁德时代新能源科技股份有限公司 | Charging device and electric device |
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| CN218661440U (en) * | 2022-12-15 | 2023-03-21 | 苏州图立方科技有限公司 | AGV fills electric pile structure with charging protection mechanism |
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