CN210866422U - 48V start-stop power supply and electric vehicle - Google Patents
48V start-stop power supply and electric vehicle Download PDFInfo
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- CN210866422U CN210866422U CN201921957809.8U CN201921957809U CN210866422U CN 210866422 U CN210866422 U CN 210866422U CN 201921957809 U CN201921957809 U CN 201921957809U CN 210866422 U CN210866422 U CN 210866422U
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- liquid cooling
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The present disclosure relates to a 48V opens and stops power and electric vehicle, 48V opens and stops the power and includes: the power supply enclosure frame (1) is provided with a liquid cooling inlet (11) and a liquid cooling outlet (12); the battery cell assembly (2) is arranged in the power supply enclosure frame (1); the liquid cooling assembly (3) is arranged on at least one side of the electric core assembly (2), a liquid cooling runner is formed inside the liquid cooling assembly (3), and two ends of the liquid cooling runner are respectively connected with the liquid cooling inlet (11) and the liquid cooling outlet (12). This 48V of opening and stop power of disclosure adds the liquid cooling subassembly to with liquid cooling entry and liquid cooling export setting on the power encloses the frame, make 48V open and stop the battery package structure that the power formed the liquid cooling function, thereby make it have more the security, life is longer.
Description
Technical Field
The disclosure relates to the field of new energy automobiles, in particular to a 48V start-stop power supply and an electric vehicle.
Background
In new energy vehicles, it is generally desirable to minimize the size of the power battery to achieve the goals of minimizing space usage and minimizing cost. For this reason, the 48V on-off power supply on the market at present usually cannot be designed with a heat dissipation system, and the battery working under the condition of long-term overheating can reduce the service life of the battery, and serious overheating and even fire can cause thermal runaway.
SUMMERY OF THE UTILITY MODEL
The 48V start-stop power supply has the advantages of good safety and long service life.
In order to achieve the above object, a first aspect of the present disclosure provides a 48V start-stop power supply, including:
the power supply enclosure frame is provided with a liquid cooling inlet and a liquid cooling outlet;
the battery cell assembly is arranged in the power supply enclosure frame;
the liquid cooling assembly is arranged on at least one side of the battery core assembly, a liquid cooling runner is formed inside the liquid cooling assembly, and two ends of the liquid cooling runner are connected with the liquid cooling inlet and the liquid cooling outlet respectively.
Optionally, the electric core assembly includes a plurality of electric cores that pile up the setting, the liquid cooling subassembly includes at the perpendicular to first liquid cooling board and the second liquid cooling board that relative setting in the direction of piling up of electric core, the electric core assembly is located first liquid cooling board with between the second liquid cooling board.
Optionally, the first liquid cooling plate is located at the top of the battery core assembly, the first liquid cooling plate is a U-shaped liquid cooling plate, and the opening direction of the U-shaped liquid cooling plate is consistent with the stacking direction of the battery core.
Optionally, the second liquid cooling plate is located at the bottom of the battery cell assembly, and the second liquid cooling plate is a flat liquid cooling plate.
Optionally, the power enclosure frame comprises end plates; the end plate is positioned at one end of the battery cell assembly along the stacking direction of the battery cells; the liquid cooling inlet and the liquid cooling outlet are arranged on the end plate.
Optionally, an end plate flow passage is formed inside the end plate, and the end plate flow passage is communicated with the liquid cooling flow passage.
Optionally, the end plate flow channel comprises a first flow channel and a second flow channel which are communicated, the liquid cooling inlet is connected to one end of the first flow channel, and the liquid cooling outlet is connected to one end of the second flow channel.
Optionally, the end plate includes a base and a sealing cover plate, the base is provided with the end plate flow passage, and the sealing cover plate covers the end plate flow passage.
Optionally, the 48V start-stop power supply further includes a heat conducting member, and the heat conducting member is disposed between the electric core assembly and the liquid cooling assembly.
The other aspect of the disclosure also provides an electric vehicle, and the vehicle is provided with the 48V start-stop power supply of the first aspect of the disclosure.
Through above-mentioned technical scheme, 48V of this disclosure opens and stops the power and add the liquid cooling subassembly to with liquid cooling entry and liquid cooling export setting on the power encloses the frame, make 48V open and stop the battery package structure that the power formed the area liquid cooling function, thereby make it have more the security, life is longer. The 48V start-stop power supply disclosed by the invention is small in whole volume, simple in structure, convenient to assemble, low in production cost and high in reliability, can meet the power consumption requirement of a vehicle on a high-power electric appliance, and has higher economic and environmental protection values.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
fig. 1 is a schematic structural diagram of a 48V start-stop power supply according to an embodiment.
Fig. 2 is a cross-sectional view of the end plate in the 48V start stop power supply of fig. 1.
Description of the reference numerals
1 power enclosure 11 liquid cooling inlet
12 liquid cooling outlet 13 end plate
131 first flow passage 132 second flow passage
133 base 134 sealing cover
2 electric core assembly 3 liquid cooling subassembly
31 first liquid cold plate 32 second liquid cold plate
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, unless otherwise specified, the use of the terms "upper, lower, left, and right" as used herein generally refers to the position "above, below, left, right," inner, and outer "of a specific component in the embodiment shown in the drawings generally refers to the position" inside, outside, "and" far and near "of the specific component in the embodiment shown in the drawings generally refers to the position" far and near "of the specific component in the embodiment shown in the drawings.
As shown in fig. 1 and fig. 2, the first aspect of the present disclosure discloses a 48V start-stop power supply, which includes a power supply enclosure frame 1, a battery cell assembly 2 and a liquid cooling assembly 3, wherein the battery cell assembly 2 includes a plurality of battery cells, the battery cells are stacked along the thickness direction thereof to form the battery cell assembly 2, the battery cell assembly 2 is disposed in the power supply enclosure frame 1, and the power supply enclosure frame 1 protects the battery cell assembly. The liquid cooling assembly 3 is arranged in the direction perpendicular to the stacking direction of the plurality of electric cores in the electric core assembly 2 and at least arranged on one side of the electric core assembly 2. The liquid cooling component 3 is internally provided with a liquid cooling runner which is hermetically connected with the power supply surrounding frame 1.
In order to improve the heat dissipation performance of the liquid cooling assembly 3, the first liquid cooling plate 31 and the second liquid cooling plate 32 are oppositely arranged in the direction perpendicular to the stacking direction of the plurality of cells in the cell assembly 2, the cell assembly 2 is arranged between the first liquid cooling plate 31 and the second liquid cooling plate 32, the cell assembly 2 is commonly cooled through the first liquid cooling plate 31 and the second liquid cooling plate 32, and in the embodiment of the present disclosure, the first liquid cooling plate 31 and the second liquid cooling plate 32 are respectively arranged at the top and the bottom of the cell assembly 2. Meanwhile, a heat conducting piece is arranged between the electric core assembly 2 and the liquid cooling assembly 3, and the heat dissipation capacity of the liquid cooling assembly 3 on the electric core assembly 2 is further improved.
As shown in fig. 1, the first liquid cooling plate 31 is disposed at the top of the electric core assembly 2 to dissipate heat from the pole portion of the plurality of electric cores, the first liquid cooling plate 31 is integrally set to a U shape, the liquid cooling channel inside the first liquid cooling plate 31 is connected to the second port from the first port of the first liquid cooling plate 31, and when the cooling system is started, the cooling liquid flows into the second port from the first port or flows into the first port from the second port to effectively dissipate heat from the electric core assembly 2.
The second liquid cooling plate 32 is arranged at the bottom of the cell assembly and is used for dissipating heat of the cell shells of a plurality of cells, the second liquid cooling plate 32 is of a flat plate type structure, so that the stability of the cell assembly 2 when placed on the second liquid cooling plate 32 is ensured, the second liquid cooling plate 32 is also provided with a first port and a second port, and because the second liquid cooling plate 32 is of a flat plate type, the design method of the inner flow passage is more, the design of the flow passage is only required to be connected from the first port to the second port, in this embodiment, the second liquid cooling plate 32 is divided into a left side plate and a right side plate, the first port is disposed at one end of the left side plate, the second port is disposed at one end of the right side plate, the left side plate and the right side plate are communicated with each other, when cooling system started, the coolant liquid flowed into the second port by first port and flowed out or flowed into first port by the second port and flowed out the homoenergetic and effectively dispel the heat to electric core assembly 2.
The power encloses frame 1 and includes end plate 13, end plate 13 sets up the one side at electric core assembly 2 along the pile up orientation of a plurality of electric cores, end plate 13 one side is provided with liquid cooling entry 11 and the liquid cooling export 12 that communicate each other with external cooling system, the opposite side is provided with the liquid cooling interface, liquid cooling interface and 3 sealing connection of liquid cooling subassembly, the coolant liquid is by liquid cooling entry 11 entering end plate 13, and flow into liquid cooling subassembly 3 by the liquid cooling interface, behind the liquid cooling subassembly 3 mesocycle, get back to end plate 13 by the liquid cooling interface and flow out by liquid cooling export 12, open the liquid cooling entry 11 and the liquid cooling export 12 setting that stop the power with 48V and can effectively reduce 48V and open the space occupancy that stops cooling system in the power on.
Because liquid cooling subassembly 3 includes first liquid cooling 31 and second liquid cooling board 32 in this scheme, is provided with two pairs of liquid cooling interfaces on corresponding end plate 13, and a pair of liquid cooling interface sets up in end plate 3 bottom, with second liquid cooling board 32 sealing connection, another pair of liquid cooling interface setting is in the upper end of end plate 13, with first liquid cooling board 31 sealing connection.
The U-shaped opening direction of the first liquid cooling plate 31 is consistent with the stacking direction of the plurality of cells, and the first port and the second port of the first liquid cooling plate 31 are ensured to be connected with the pair of liquid cooling interfaces on the end plate 13 in a sealing manner towards the end plate 13. The first port and the second port of the second liquid cooling plate 32 are disposed on the same side of the second liquid cooling plate and face the end plate 13, so that the first port and the second port can be connected to another pair of liquid cooling interfaces of the end plate 13.
The end plate 13 includes a base 133 and a sealing cover plate 134, one side of the base 133 is provided with an end plate flow passage, the other side is provided with a liquid cooling interface, the end plate flow passage is communicated with the liquid cooling interface, and the sealing cover plate 134 covers the end plate flow passage. The end plate flow passage includes a first flow passage 131 and a second flow passage 132, the first flow passage 131 is communicated with the second flow passage 132, the first flow passage 131 is hermetically connected with the liquid cooling inlet 11 or the liquid cooling outlet 12, the second flow passage 132 is hermetically connected with the remaining liquid cooling inlet 11 or the liquid cooling outlet 12, in this embodiment, the liquid cooling inlet 11 is hermetically connected to one end of the first flow passage 131, and the liquid cooling outlet 12 is hermetically connected to one end of the second flow passage 132.
When a cooling system outside a 48V start-stop power supply works, cooling liquid enters the end plate flow passage from the liquid cooling inlet 11, because the first flow passage 131 is communicated with the second flow passage 132, the cooling liquid can simultaneously enter the first flow passage 131 and the second flow passage 132 after being poured into the end plate flow passage and enters the liquid cooling assembly through the liquid cooling inlet, and returns to the end plate flow passage after cooling the electric core assembly 2, at the moment, the cooling liquid continuously enters the end plate flow passage from the liquid cooling inlet 11, and the cooling liquid returning to the end plate flow passage can only flow out from the liquid cooling outlet 12, so that cooling liquid circulation is formed, and heat dissipation and cooling of the electric core assembly 2 are realized. It should be understood that the positions of the liquid cooling inlet 11 and the liquid cooling outlet 12 on the first flow passage 131 or the second flow passage 132 can be designed according to the requirements of the actual cooling system. In addition, because the cooling system in the 48V start-stop power supply is a substantially closed flow channel in the technical solution, the cooling liquid only needs to enter from one of the liquid cooling inlet 11 or the liquid cooling outlet 12 and flow out from the other.
A second aspect of the present disclosure is directed to an electric vehicle using the 48V start-stop power supply disclosed in the first aspect of the present disclosure as a power supply.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure. For example, the liquid cooling assembly 3 of the double liquid cooling plate can be changed into the liquid cooling assembly 3 of the single liquid cooling plate, and correspondingly, the liquid cooling assembly 3 can be changed into the single liquid cooling plate.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. The utility model provides a 48V opens and stops power, its characterized in that includes:
the power supply enclosure frame (1) is provided with a liquid cooling inlet (11) and a liquid cooling outlet (12);
the battery cell assembly (2) is arranged in the power supply enclosure frame (1);
the liquid cooling assembly (3) is arranged on at least one side of the electric core assembly (2), a liquid cooling runner is formed inside the liquid cooling assembly (3), and two ends of the liquid cooling runner are respectively connected with the liquid cooling inlet (11) and the liquid cooling outlet (12).
2. The 48V start-stop power supply according to claim 1, wherein the cell assembly (2) comprises a plurality of cells arranged in a stack, the liquid cooling assembly (3) comprises a first liquid cooling plate (31) and a second liquid cooling plate (32) which are oppositely arranged in a stacking direction perpendicular to the cells, and the cell assembly (2) is located between the first liquid cooling plate (31) and the second liquid cooling plate (32).
3. The 48V start-stop power supply according to claim 2, wherein the first liquid cooling plate (31) is positioned at the top of the battery core assembly (2), the first liquid cooling plate (31) is a U-shaped liquid cooling plate, and the opening direction of the U-shaped liquid cooling plate is consistent with the stacking direction of the battery cores.
4. The 48V start-stop power supply according to claim 2, wherein the second liquid cooling plate (32) is located at the bottom of the cell assembly (2), and the second liquid cooling plate (32) is a flat plate type liquid cooling plate.
5. A 48V start-stop power supply according to claim 2, characterized in that the power supply enclosure (1) comprises end plates (13); the end plate (13) is positioned at one end of the cell assembly (2) along the stacking direction of the cells; the liquid cooling inlet (11) and the liquid cooling outlet (12) are arranged on the end plate (13).
6. The 48V start-stop power supply according to claim 5, wherein an end plate flow passage is formed inside the end plate (13) and is communicated with the liquid cooling flow passage.
7. The 48V start-stop power supply according to claim 6, wherein the end plate flow passage comprises a first flow passage (131) and a second flow passage (132) which are communicated with each other, the liquid cooling inlet (11) is connected to one end of the first flow passage (131), and the liquid cooling outlet (12) is connected to one end of the second flow passage (132).
8. The 48V start-stop power supply according to claim 6, wherein the end plate (13) comprises a base (133) and a sealing cover plate (134), the base (133) is provided with the end plate flow passage, and the sealing cover plate (134) is covered on the end plate flow passage.
9. The 48V start-stop power supply according to claim 1, further comprising a heat conducting member disposed between the electric core assembly (2) and the liquid cooling assembly (3).
10. An electric vehicle, characterized in that the vehicle is provided with a 48V start-stop power supply according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921957809.8U CN210866422U (en) | 2019-11-13 | 2019-11-13 | 48V start-stop power supply and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921957809.8U CN210866422U (en) | 2019-11-13 | 2019-11-13 | 48V start-stop power supply and electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN210866422U true CN210866422U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921957809.8U Active CN210866422U (en) | 2019-11-13 | 2019-11-13 | 48V start-stop power supply and electric vehicle |
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| CN (1) | CN210866422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022048294A1 (en) * | 2020-09-04 | 2022-03-10 | 欣旺达电动汽车电池有限公司 | Battery pack and automobile having same |
-
2019
- 2019-11-13 CN CN201921957809.8U patent/CN210866422U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022048294A1 (en) * | 2020-09-04 | 2022-03-10 | 欣旺达电动汽车电池有限公司 | Battery pack and automobile having same |
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Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Xinwangda Power Technology Co.,Ltd. Address before: 518107 Xinwangda Industrial Park, No.18, Tangjia south, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. |