CN214189360U - Quick electric power supply system of pure electric new forms of energy vehicle - Google Patents
Quick electric power supply system of pure electric new forms of energy vehicle Download PDFInfo
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- CN214189360U CN214189360U CN202120008600.8U CN202120008600U CN214189360U CN 214189360 U CN214189360 U CN 214189360U CN 202120008600 U CN202120008600 U CN 202120008600U CN 214189360 U CN214189360 U CN 214189360U
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- charging
- conductive fluid
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- receiving seat
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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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- 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
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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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
- 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
Abstract
The utility model discloses a quick electric power supply system of a pure electric new energy vehicle, which comprises an online charging energy storage battery, a charging pile, a charging gun, a receiving seat and a loading quick charging battery; the charging energy storage battery is connected with the power grid, the charging energy storage battery is connected with the charging pile through a power cable, the charging pile is connected with the charging gun through a conductive fluid pipeline type cable, the charging gun is connected with the receiving seat in an inserting mode, and the receiving seat is connected with the loading quick-charging battery. The advantages are that: the defects of a traditional pure electric new energy electric energy supply system are overcome, and an on-line charging energy storage battery and a charging pile which operate at a single cell voltage level lower than the international safety voltage standard of below 36 volts are used for charging the loading quick charging battery; the conductive fluid pipeline type cable is used for providing the functions of physical flexibility and high heat dissipation rate under the condition of relatively small conductor sectional area for conveying large current for a charging link from a charging pile to a loading quick-charging battery; the second-level quick implementation of the pure electric new energy vehicle is guaranteed.
Description
Technical Field
The utility model relates to an electric power supply technical field especially relates to a quick electric power supply system of electricelectric moves new forms of energy vehicle.
Background
With the pace of modern life being accelerated, the requirements of people on the use of public transportation means or private transportation means in going out are further improved, and the specific outstanding problem is that the energy supply time of the pure electric new energy transportation means is not as long as the energy supply time of the traditional petrochemical engineering energy transportation means. Therefore, a new higher challenge is provided for a pure electric new energy vehicle to comprehensively replace a traditional petrochemical engineering energy vehicle, and the electric energy system of the original pure electric new energy vehicle has a plurality of contradictions, for example, the second-level rapid electric energy filling cannot be completed so far; the charging voltage needs to be increased when the charging is fast, which brings new challenges to system insulating materials and personal safety; the rapid charging large-scale access to the power grid can bring a very large load overload burden to the power grid, the operation safety of the power grid is directly threatened, and the failure rate is high and is one of the factors which are not developed up to now. Before the electric energy system of the pure electric new energy vehicle does not solve the technical barrier problem, the electric energy system of the pure electric vehicle cannot be popularized on a large scale and applied in a charging technology within the second level.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quick electric power supply system of electricelectric moves new forms of energy vehicle to solve the aforementioned problem that exists among the prior art.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a quick electric power supply system for a pure electric new energy vehicle comprises an online charging energy storage battery, a charging pile, a charging gun, a power receiving seat and a loading quick charging battery; the charging energy storage battery is connected with a power grid, the charging energy storage battery is connected with the charging pile through a power cable, the charging pile is connected with the charging gun through a conductive fluid pipeline type cable, the charging gun is connected with the receiving seat in an inserting mode, and the receiving seat is connected with the loading quick charging battery.
Preferably, two fluid channels penetrating through two opposite ends of the charging gun are arranged on the charging gun in parallel at intervals and are respectively a first fluid channel and a second fluid channel, the charging pile is connected with the first fluid channel and the second fluid channel of the charging gun through a conductive fluid pipeline type cable, one end of the charging gun, which is close to the power receiving seat, is provided with a plug-in connector which protrudes and extends towards the direction close to the power receiving seat, one side of the power receiving seat, which is close to the charging gun, is provided with a plug-in groove which is recessed towards one side far away from the charging gun, and the plug-in connector correspondingly extends into the plug-in groove so that the charging gun is connected with the power receiving seat in a plug-in manner; a certain distance is kept between the charging gun and the power receiving seat to form a flow cavity, and the first fluid channel and the second fluid channel are communicated with the flow cavity.
Preferably, the plug is located between the first fluid channel and the second fluid channel, and the plug is parallel to the first fluid channel and the second fluid channel.
Preferably, the conductive fluid pipeline type cable comprises a puncture-proof outer pipe and at least one direct current positive conductive fluid circulation pipeline and at least one direct current negative conductive fluid circulation pipeline which are arranged in the puncture-proof outer pipe; the direct-current positive electrode conductive fluid circulation pipeline and the direct-current negative electrode conductive fluid circulation pipeline are parallel to each other and are arranged in parallel; the direct-current positive electrode conductive fluid circulation pipeline and the direct-current negative electrode conductive fluid circulation pipeline are respectively connected with a first fluid channel and a second fluid channel; and the direct current positive electrode conductive fluid circulation pipeline and the direct current negative electrode conductive fluid circulation pipeline are filled with a fluid conductive medium.
Preferably, the number of the direct current positive electrode conductive fluid circulation pipelines and the number of the direct current negative electrode conductive fluid circulation pipelines arranged in the puncture-preventing outer pipe are equal.
Preferably, the charging pile comprises an alternating current input bus, a cable bus connecting bar and a direct current output bus; the alternating current input bus is connected with the online charging energy storage battery through a power cable, a plurality of voltage reduction power supply sets are arranged between the alternating current input bus and the cable bus connecting bar in parallel, and each voltage reduction power supply set comprises a plurality of voltage reduction switch power supplies; and the cable bus connecting bar is connected with a direct current output bus, and the direct current output bus is connected with the conductive fluid pipeline type cable.
Preferably, the truck-loading quick-charging battery comprises a battery pack cathode bus and a battery pack anode bus, and a plurality of single battery cores are arranged between the battery pack anode bus and the battery pack cathode bus in parallel; and the battery pack cathode bus and the battery pack anode bus are connected with the power receiving seat.
The utility model has the advantages that: the defects of a traditional pure electric new energy electric energy supply system are overcome, and an on-line charging energy storage battery and a charging pile which operate at a single cell voltage level lower than the international safety voltage standard of below 36 volts are used for charging the loading quick charging battery; an online charging energy storage battery is used as an energy storage charging buffer of a second-level quick power supply system of the pure electric new energy vehicle; the vehicle-mounted quick-charging battery uses a quick-charging type battery core with an improved electrolyte formula and a new battery manufactured by increasing the area of positive and negative electrodes of the battery core, and adopts a physical structure that a plurality of groups of single battery cores are connected in parallel for charging and discharging, so that the charging and discharging current is improved, and the low-voltage high-current operation is safer; the plug-in connection of the charging gun and the power receiving seat ensures the connection and contact reliability of a million-ampere large current and reduces the volume of the charging gun and the power receiving seat; the conductive fluid pipeline type cable is used for providing the functions of physical flexibility and high heat dissipation rate under the condition of relatively small conductor sectional area for conveying large current for a charging link from a charging pile to a loading quick-charging battery; the second-level quick implementation of the pure electric new energy vehicle is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of an electric power replenishment system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a positive dc output bus structure of a charging pile in an embodiment of the present invention;
fig. 3 is a schematic structural view of the plug connection between the charging gun and the socket according to the embodiment of the present invention;
fig. 4 is the embodiment of the present invention provides a schematic structural diagram of a loading quick-charging battery.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
As shown in fig. 1 to 4, in the embodiment, a fast electric power supply system for a pure electric new energy vehicle is provided, and includes an online charging energy storage battery, a charging pile, a charging gun, a receiving seat, and a loading fast charging battery; the charging energy storage battery is connected with a power grid, the charging energy storage battery is connected with the charging pile through a power cable, the charging pile is connected with the charging gun through a conductive fluid pipeline type cable, the charging gun is connected with the receiving seat in an inserting mode, and the receiving seat is connected with the loading quick charging battery.
The online charging energy storage battery acquires electric energy from a power grid, the electric energy is conveyed to the charging pile through a plurality of conventional power cables, the charging pile adopts a low-voltage large-current conductive fluid pipeline type cable, and the charging gun and the receiving seat which can be quickly disassembled and assembled are connected with the loading quick-charging battery, the electric energy is transmitted to the loading quick-charging battery, and the second-level quick-charging supply work of the pure electric new energy vehicle is realized.
In this embodiment, two fluid channels penetrating through opposite ends of the charging gun are arranged in parallel and at intervals, and are respectively a first fluid channel and a second fluid channel, the charging pile is connected with the first fluid channel and the second fluid channel of the charging gun through a conductive fluid pipeline type cable, one end of the charging gun, which is close to the power receiving seat, is provided with a plug-in connector which protrudes and extends towards the direction close to the power receiving seat, one side of the power receiving seat, which is close to the charging gun, is provided with a plug-in groove which is recessed towards one side far away from the charging gun, and the plug-in connector correspondingly extends into the plug-in groove, so that the charging gun is connected with the power receiving seat in a plug-in manner; a certain distance is kept between the charging gun and the power receiving seat to form a flow cavity, and the first fluid channel and the second fluid channel are communicated with the flow cavity.
The mode that adopts the grafting between rifle and the socket of charging makes pure electric new forms of energy vehicle and fills the high-speed joint and the separation between the electric pile, makes the charging process more simple and convenient. When needs use and fill electric pile to charge to electricelectric moves new forms of energy vehicle, only need will receive the seat to install on electricelectric moves new forms of energy vehicle and be connected with the loading quick charging battery, will charge the rifle and carry out plug-in connection with receiving the seat, later can carry out quick charge.
The plug is positioned between the first fluid channel and the second fluid channel, and the plug is parallel to the first fluid channel and the second fluid channel.
The concrete structure of the plug-in connector can be set by using related structures in the prior art, and only the plug-in connector can be ensured to be plugged with the plugging groove.
Use the sealing ring to seal around flowing the chamber between rifle and the socket to charge, guarantee to charge rifle and receive sealed between the socket, make fluid conducting medium in flowing chamber and the inside business turn over of first fluid passage and second fluid passage, avoid fluid conducting medium from charging the rifle and receiving to flow out between the socket, influence the charging process.
In this embodiment, the conductive fluid pipeline type cable includes a puncture-proof outer tube and at least one direct current positive conductive fluid circulation pipeline and at least one direct current negative conductive fluid circulation pipeline disposed in the puncture-proof outer tube; the direct-current positive electrode conductive fluid circulation pipeline and the direct-current negative electrode conductive fluid circulation pipeline are parallel to each other and are arranged in parallel; the direct-current positive electrode conductive fluid circulation pipeline and the direct-current negative electrode conductive fluid circulation pipeline are respectively connected with a first fluid channel and a second fluid channel; and the direct current positive electrode conductive fluid circulation pipeline and the direct current negative electrode conductive fluid circulation pipeline are filled with a fluid conductive medium.
In this embodiment, the number of the direct current positive electrode conductive fluid circulation pipes and the number of the direct current negative electrode conductive fluid circulation pipes, which are arranged in the puncture-preventing outer pipe, are equal. The set number of the circulating pipelines can be set according to specific conditions so as to better meet the actual requirements; for example, two direct-current positive electrode conductive fluid circulation pipelines and two direct-current negative electrode conductive fluid circulation pipelines are provided. The conductive fluid pipeline type cable is flexible, has an active circulation heat dissipation effect, and improves the electric energy transmission efficiency.
All direct current positive electrode conductive fluid circulation pipelines are wrapped in the first heat insulation insulating pipe; all direct current negative pole conductive fluid circulation pipeline cladding is in the second insulating tube that insulates against heat, first insulating tube with the second insulating tube that insulates against heat is the same, first insulating tube with the second insulating tube that insulates against heat sets up prevent inside the outer tube that punctures.
The fluid conductive medium flows in a direct current positive electrode conductive fluid circulation pipeline and a direct current negative electrode conductive fluid circulation pipeline in the conductive fluid pipeline type cable, contacts with the current receiving seat through the first fluid channel to discharge, returns to the conductive fluid pipeline type cable through the second fluid channel to be charged again after the discharge is finished, and the cycle is repeated in this way, so that the electric energy input of the loading quick-charging battery is realized. The soft contact of the conductive fluid pipeline type cable has high contact reliability, good current circulation conductivity and good heat dissipation performance, and also has very low contact wear characteristics, so that the transmission of high current at a million ampere level can be ensured, and the second-level quick charge of a pure electric new energy vehicle is realized.
In this embodiment, the charging pile includes an ac input bus, a cable bus bar, and a dc output bus; the alternating current input bus is connected with the online charging energy storage battery through a power cable, a plurality of voltage reduction power supply sets are arranged between the alternating current input bus and the cable bus connecting bar in parallel, and each voltage reduction power supply set comprises a plurality of voltage reduction switch power supplies; and the cable bus connecting bar is connected with a direct current output bus, and the direct current output bus is connected with the conductive fluid pipeline type cable.
The charging pile module adopts a physical connection mode that a plurality of voltage reduction power supply sets are connected in parallel to provide low-voltage large-current output for the charging gun, and the output is million-ampere large current lower than the voltage level of a single battery cell below 36 volts of the international safety voltage standard.
In this embodiment, the truck-loading quick-charging battery includes a battery pack cathode bus and a battery pack anode bus, and a plurality of single battery cells are arranged in parallel between the battery pack anode bus and the battery pack cathode bus; and the battery pack cathode bus and the battery pack anode bus are connected with the power receiving seat.
The vehicle-mounted quick-charging battery is a new battery made up by using quick-charging type battery core with improved electrolyte formula and making the area of positive and negative electrodes of battery core be increased. The charging and discharging are completed by using a safe voltage circuit connection mode that a plurality of groups of single battery cells are connected in parallel and the low voltage is less than 36 volts. The half-barrel water phenomenon of the bucket effect of overcharging and overdischarging of the single battery cores of the series battery core charging and discharging can be avoided, a charging and discharging equalization circuit does not need to be designed for the single battery cores, and the safety power utilization principle is better met.
Through adopting the utility model discloses an above-mentioned technical scheme has obtained following profitable effect:
the utility model provides a quick electric power supply system of pure electric new energy vehicle, which overcomes the defects of the traditional pure electric new energy electric energy supply system, and uses an online charging energy storage battery and a charging pile which are operated at a monomer cell voltage level lower than 36 volts of the international safety voltage standard to charge a loading quick charging battery; an online charging energy storage battery is used as an energy storage charging buffer of a second-level quick power supply system of the pure electric new energy vehicle; the vehicle-mounted quick-charging battery uses a quick-charging type battery core with an improved electrolyte formula and a new battery manufactured by increasing the area of positive and negative electrodes of the battery core, and adopts a physical structure that a plurality of groups of single battery cores are connected in parallel for charging and discharging, so that the charging and discharging current is improved, and the low-voltage high-current operation is safer; the plug-in connection of the charging gun and the power receiving seat ensures the connection and contact reliability of a million-ampere large current and reduces the volume of the charging gun and the power receiving seat; the conductive fluid pipeline type cable is used for providing the functions of physical flexibility and high heat dissipation rate under the condition of relatively small conductor sectional area for conveying large current for a charging link from a charging pile to a loading quick-charging battery; the second-level quick implementation of the pure electric new energy vehicle is guaranteed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.
Claims (8)
1. The utility model provides a quick electric power supply system of pure electric new forms of energy vehicle which characterized in that: the charging system comprises an online charging energy storage battery, a charging pile, a charging gun, a power receiving seat and a loading quick-charging battery; the charging energy storage battery is connected with a power grid, the charging energy storage battery is connected with the charging pile through a power cable, the charging pile is connected with the charging gun through a conductive fluid pipeline type cable, the charging gun is connected with the receiving seat in an inserting mode, and the receiving seat is connected with the loading quick charging battery.
2. The system of claim 1, wherein the system further comprises: the charging gun is provided with two fluid channels which penetrate through two opposite ends of the charging gun in parallel and at intervals and are respectively a first fluid channel and a second fluid channel, the charging pile is connected with the first fluid channel and the second fluid channel of the charging gun through a conductive fluid pipeline type cable, one end of the charging gun close to the power receiving seat is provided with a plug-in connector which protrudes and extends towards the direction close to the power receiving seat, one side of the power receiving seat close to the charging gun is provided with a plug-in groove which is sunken towards one side far away from the charging gun, and the plug-in connector correspondingly extends into the plug-in groove so as to enable the charging gun to be connected with the power receiving seat in a plug-in manner; a gap exists between the charging gun and the power-receiving socket to form a flow cavity, and the first fluid passage and the second fluid passage are communicated with the flow cavity.
3. The system of claim 2, wherein the system further comprises: the plug is positioned between the first fluid channel and the second fluid channel, and the plug is parallel to the first fluid channel and the second fluid channel.
4. The system of claim 3, wherein the system further comprises: the conductive fluid pipeline type cable comprises a puncture-proof outer pipe, and at least one direct-current positive conductive fluid circulating pipeline and at least one direct-current negative conductive fluid circulating pipeline which are arranged in the puncture-proof outer pipe; the direct-current positive electrode conductive fluid circulation pipeline and the direct-current negative electrode conductive fluid circulation pipeline are parallel to each other and are arranged in parallel; the direct-current positive electrode conductive fluid circulation pipeline and the direct-current negative electrode conductive fluid circulation pipeline are respectively connected with a first fluid channel and a second fluid channel; and the direct current positive electrode conductive fluid circulation pipeline and the direct current negative electrode conductive fluid circulation pipeline are filled with a fluid conductive medium.
5. The system of claim 4, wherein the system further comprises: the number of the direct current positive electrode conductive fluid circulation pipelines and the number of the direct current negative electrode conductive fluid circulation pipelines which are arranged in the puncture-proof outer pipe are equal.
6. The system of claim 5, wherein the system further comprises: all direct current positive electrode conductive fluid circulation pipelines are wrapped in the first heat insulation insulating pipe; all direct current negative pole conductive fluid circulation pipeline cladding is in the second insulating tube that insulates against heat, first insulating tube with the second insulating tube that insulates against heat is the same, first insulating tube with the second insulating tube that insulates against heat sets up prevent inside the outer tube that punctures.
7. The system of claim 6, wherein the system further comprises: the charging pile comprises an alternating current input bus, a cable bus connecting bar and a direct current output bus; the alternating current input bus is connected with the online charging energy storage battery through a power cable, a plurality of voltage reduction power supply sets are arranged between the alternating current input bus and the cable bus connecting bar in parallel, and each voltage reduction power supply set comprises a plurality of voltage reduction switch power supplies; and the cable bus connecting bar is connected with a direct current output bus, and the direct current output bus is connected with the conductive fluid pipeline type cable.
8. The system of claim 7, wherein the system further comprises: the loading quick-charging battery comprises a battery pack cathode bus and a battery pack anode bus, and a plurality of single battery cores are arranged between the battery pack anode bus and the battery pack cathode bus in parallel; and the battery pack cathode bus and the battery pack anode bus are connected with the power receiving seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120008600.8U CN214189360U (en) | 2021-01-05 | 2021-01-05 | Quick electric power supply system of pure electric new forms of energy vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120008600.8U CN214189360U (en) | 2021-01-05 | 2021-01-05 | Quick electric power supply system of pure electric new forms of energy vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214189360U true CN214189360U (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120008600.8U Active CN214189360U (en) | 2021-01-05 | 2021-01-05 | Quick electric power supply system of pure electric new forms of energy vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN214189360U (en) |
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2021
- 2021-01-05 CN CN202120008600.8U patent/CN214189360U/en active Active
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