CN219106316U - Current collector, cooling plate, battery pack and vehicle - Google Patents
Current collector, cooling plate, battery pack and vehicle Download PDFInfo
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- CN219106316U CN219106316U CN202222701438.5U CN202222701438U CN219106316U CN 219106316 U CN219106316 U CN 219106316U CN 202222701438 U CN202222701438 U CN 202222701438U CN 219106316 U CN219106316 U CN 219106316U
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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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Abstract
The utility model relates to the technical field of power batteries, in particular to a current collector, a cooling plate, a battery pack and a vehicle, wherein the current collector comprises a current collecting body, a first liquid inlet nozzle and a second liquid inlet nozzle, a containing cavity is formed in the current collecting body, the first liquid inlet nozzle and the second liquid inlet nozzle are respectively communicated with the containing cavity, the first liquid inlet nozzle and the second liquid inlet nozzle are oppositely arranged in the width direction of the current collecting body, the interval distance between the end face of one side of the first liquid inlet nozzle, which is far away from the current collecting body, and the end face of one side of the second liquid inlet nozzle, which is far away from the current collecting body, in the width direction of the current collecting body is W2, the width of the current collecting body is W1, and W2/W1 is less than or equal to 20. The current collector of the utility model can improve the structural strength of the current collector and reduce the manufacturing cost of the current collector.
Description
Technical Field
The utility model relates to the technical field of power batteries, in particular to a current collector, a cooling plate, a battery pack and a vehicle.
Background
The cooling of the power battery is mainly carried out through a cooling plate, a cooling flow channel is arranged in the cooling plate, and a cooling medium is required to be input into the cooling flow channel through a current collector and collected into the current collector. However, when the length of the liquid inlet nozzle in the related art is large, the flow path of the cooling medium in the liquid inlet nozzle is long, so that the temperature loss is caused, the cooling effect of the cooling plate is affected, when the length of the liquid inlet nozzle is small, the flow rate of the cooling medium entering the current collector is large, the pressure in the current collector is overlarge, and the sealing property and the structural strength of the current collector are adversely affected after long-time use. Therefore, there is a need to design a current collector solution that does not adversely affect the tightness and structural strength of the current collector while not affecting the cooling effect of the cooling plate.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the utility model provides the current collector, which can improve the cooling efficiency, and can also improve the structural stability and the service life of the current collector.
The current collector comprises a current collecting body, wherein a containing cavity is formed in the current collecting body; the liquid inlet nozzle comprises a first liquid inlet nozzle and a second liquid inlet nozzle, the first liquid inlet nozzle and the second liquid inlet nozzle are oppositely arranged in the width direction of the current collecting body, the first liquid inlet nozzle is far away from one side end face of the current collecting body and the second liquid inlet nozzle is far away from one side end face of the current collecting body, the interval distance between the first liquid inlet nozzle and the second liquid inlet nozzle in the width direction of the current collecting body is W2, the width of the current collecting body is W1, and W2/W1 is less than or equal to 20.
According to the current collector disclosed by the embodiment of the utility model, the temperature loss of cooling medium flowing through the liquid inlet nozzles is reduced by controlling the proportional relation between the lengths of the two liquid inlet nozzles and the width of the current collecting body, so that the cooling efficiency is improved, and meanwhile, the adverse influence of the pressure generated by the cooling medium entering the current collecting body on the tightness and the structural strength of the current collecting body is avoided, so that the structural stability and the service life of the current collector are improved.
In some embodiments, the current collecting body is provided with a connecting portion, the connecting portion is arranged outside the accommodating cavity, the connecting portion protrudes outwards in a direction away from the current collecting body, the connecting portion comprises a first connecting portion and a second connecting portion, the first liquid inlet nozzle is connected with the current collecting body through the first connecting portion, and the second liquid inlet nozzle is connected with the current collecting body through the second connecting portion.
In some embodiments, the current collecting body further comprises an arc-shaped portion, the arc-shaped portion protrudes outwards in a direction away from the accommodating cavity, and an inner wall surface of the arc-shaped portion is an arc-shaped surface protruding outwards in the direction away from the accommodating cavity.
In some embodiments, the height of the current collecting body is H1, the diameter of the liquid inlet nozzle is H2, the length of the current collecting body is L1, 2.ltoreq.H2.ltoreq.20, and/or 3.ltoreq.H2/W1.ltoreq.20.
In some embodiments, the current collecting body has a length L1, and 1.ltoreq.H2/L1.ltoreq.10.
The cooling plate of the embodiment of the utility model comprises: the plate body is internally provided with a cooling cavity; the current collector is the current collector, the current collector is connected with the plate body, and the accommodating cavity is communicated with the cooling cavity.
The cooling plate of the embodiment of the utility model can improve the structural strength of the current collector and reduce the manufacturing cost of the current collector.
In some embodiments, the cooling plate further includes a plurality of partition plates respectively disposed in the cooling cavity, and the plurality of partition plates are spaced apart along the height direction of the plate body to partition the cooling cavity into a plurality of cooling flow passages.
In some embodiments, the inclination angles of the plurality of partition plates are the same, or the inclination angles of the plurality of partition plates are gradually increased and then gradually decreased from top to bottom.
In some embodiments, the divider plate is a flat plate and/or the divider plate is an arcuate plate.
In some embodiments, the plate has a length L2, a height H3, a width T1, and 5.ltoreq.L1/L2.ltoreq.100, and/or 3.ltoreq.H2/T1.ltoreq.50, and/or 2.ltoreq.L1/H1.ltoreq.50.
The battery pack according to the embodiment of the utility model includes the cooling plate as described in any one of the above.
According to the battery pack provided by the embodiment of the utility model, the cooling plate is adopted, so that the structural strength of the battery pack can be improved, and the manufacturing cost of the battery pack can be reduced.
The vehicle provided by the embodiment of the utility model comprises the battery pack.
According to the vehicle provided by the embodiment of the utility model, the cooling plate is adopted, so that the structural strength of the current collector can be improved, the manufacturing cost of the current collector can be reduced, and the structural strength and the manufacturing cost of the vehicle can be further reduced.
Drawings
Fig. 1 is a schematic view of a current collector according to an embodiment of the present utility model.
Fig. 2 is a schematic view of the receiving chamber of fig. 1.
Fig. 3 is a front view of a cooling plate of an embodiment of the present utility model.
Fig. 4 is a schematic diagram of the connection of the current collector to the plate in fig. 3.
Fig. 5 is a side view of the plate body of fig. 3.
Fig. 6 is a side view of the plate body of fig. 3.
Fig. 7 is a schematic view of a battery pack according to an embodiment of the present utility model.
Reference numerals:
the cooling plate 100, the battery cell 200,
the collecting body 1, the accommodating cavity 11, the connecting part 12, the arc-shaped part 13, the curved surface part 14,
a liquid inlet nozzle 2, a first liquid inlet nozzle 21, a second liquid inlet nozzle 22,
the plate body 3, the cooling chamber 31,
Detailed Description
Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
The current collector of the embodiment of the utility model comprises a current collecting body 1 and a liquid inlet nozzle 2, wherein a containing cavity 11 is arranged in the current collecting body 1, the liquid inlet nozzle 2 and the current collecting body 1 are integrally formed, one end of the liquid inlet nozzle 2 is communicated with the outside, and the other end of the liquid inlet nozzle 2 is communicated with the containing cavity 11.
Specifically, as shown in fig. 2, the collecting body 1 is provided with a receiving cavity 11, the inlet of the liquid inlet nozzle 2 is communicated with the outside, for example, the inlet of the liquid inlet nozzle 2 is suitable for being connected with a cooling liquid source, the outlet of the liquid inlet nozzle 2 is connected with the receiving cavity 11, for example, the cooling liquid source can enter the receiving cavity 11 through the liquid inlet nozzle 2, the liquid inlet nozzle 2 and the collecting body 1 are integrally formed, for example, the liquid inlet nozzle 2 and the collecting body 1 are integrally formed by stamping, or the collecting body 1 and the liquid inlet nozzle 2 are manufactured by adopting other existing integral forming technologies, for example, the collecting body 1 and the liquid inlet nozzle 2 are integrally formed by die casting.
The liquid inlet nozzle 2 comprises a first liquid inlet nozzle 21 and a second liquid inlet nozzle 22, the first liquid inlet nozzle 21 and the second liquid inlet nozzle 22 are oppositely arranged in the width direction of the current collecting body 1, the spacing distance between the end face of one side of the first liquid inlet nozzle 21, which is far away from the current collecting body 1, and the end face of one side of the second liquid inlet nozzle 22, which is far away from the current collecting body 1, in the width direction of the current collecting body 1 is W2, the width of the current collecting body 1 is W1, and W2/W1 is less than or equal to 2 and less than or equal to 20.
For example, W2/W1 may be 2, 3, 4, 5, 9, 10, 15, 19, 20.
The limit range is 2-20W 2/W1, which is obtained by the inventor through a great number of engineering experiments and verification, and comprehensively considers the factors such as the length of the flow path of the cooling medium in the liquid inlet nozzle, the cooling effect of the cooling plate, the pressure in the current collector and the like, and the cooling effect of the cooling plate, the sealing property and the structural strength of the current collecting body 1 are balanced in the range, so that the effect is excellent.
According to the current collector disclosed by the embodiment of the utility model, the temperature loss of a cooling medium flowing through the liquid inlet nozzles 2 is reduced by controlling the proportional relation between the lengths of the two liquid inlet nozzles 2 and the width of the current collecting body 1, so that the cooling efficiency is improved, and meanwhile, the adverse influence of the pressure generated by the cooling medium entering the current collecting body 1 on the tightness and the structural strength of the current collecting body 1 is avoided, so that the structural stability and the service life of the current collector are improved.
In addition, through integrally forming the current collecting body 1 and the liquid inlet nozzle 2, the structural strength of the current collector is improved, the manufacturing cost of the current collector is reduced, and compared with the welding process adopted in the related art, the liquid inlet nozzle 2 and the current collecting body 1 are integrally formed, so that the integral structure of the current collector is simplified, structural deformation and welding defects caused by the welding process are avoided, the integral structural strength of the current collector is further improved, and the space utilization rate of the current collector is improved.
In some embodiments, the current collecting body 1 is provided with a connecting portion 12, the connecting portion 12 is disposed outside the accommodating cavity 11, the connecting portion 12 protrudes outwards away from the current collecting body 1, the connecting portion 12 includes a first connecting portion and a second connecting portion, the first liquid inlet nozzle 21 is connected with the current collecting body 1 through the first connecting portion, and the second liquid inlet nozzle 22 is connected with the current collecting body 1 through the second connecting portion.
Specifically, the current collecting body 1 is provided with the connecting part 12, the shape of the connecting part 12 can be annular, or the shape of the connecting part 12 can be other existing shapes, for example, the shape of the connecting part 12 can be elliptical, the connecting part 12 is sleeved on the liquid inlet nozzle 2, the connecting part 12 is connected with the liquid inlet nozzle 2, the connecting part 12 is further connected with the current collecting body 1, the connecting part 12 is outwards protruded in the front-back direction away from the current collecting body 1, the stress concentration between the liquid inlet nozzle 2 and the current collecting body 1 is avoided, the structural strength of the current collector is improved, and the stability and the safety of the current collector are further improved.
In some embodiments, the current collecting body 1 further includes an arc-shaped portion 13, the arc-shaped portion 13 protruding toward a direction away from the accommodating chamber 11, and an inner wall surface of the arc-shaped portion 13 is an arc-shaped surface protruding toward a direction away from the accommodating chamber 11.
Specifically, the arc portion 13 protrudes outward in a direction away from the accommodating cavity 11, that is, the arc portion 13 protrudes leftward, and the size of the arc portion 13 is 1mm or less is 20mm or less, the current collecting body 1 further includes a curved surface portion 14, the curved surface portion 14 is recessed rightward, the curved surface portion 14 may be arc-shaped, and the size of the curved surface portion 14 is 1mm or less is 20mm or less.
According to the current collector disclosed by the embodiment of the utility model, the arc-shaped part 13 and the curved surface part 14 are arranged, so that the cooling liquid can smoothly circulate in the liquid inlet nozzle 2 and the current collector body 1, the flowing resistance and turbulence of the cooling liquid are reduced, and the running stability and safety of the current collector are improved.
In some embodiments, the liquid inlet nozzle 2 includes a collector body 1 having a height H1, a diameter H2 (not shown) of the liquid inlet nozzle 2, a length L1 of the collector body, 2.ltoreq.H2.ltoreq.20, and/or 3.ltoreq.H2.ltoreq.1/W1.ltoreq.20, and/or 1.ltoreq.H2/L1.ltoreq.10.
Specifically, the first liquid inlet nozzle 21 and the second liquid inlet nozzle 22 are arranged at intervals in the front-rear direction, the distance between the front end surface of the first liquid inlet nozzle 21 and the rear end surface of the second liquid inlet nozzle 22 in the front-rear direction is W2, the width of the current collecting body 1 in the front-rear direction is W1, the height of the current collecting body 1, that is, the size of the current collecting body 1 in the up-down direction is H1, the diameter of the liquid inlet nozzle 2 is H2, the length of the current collecting body 1 is L1, that is, the size of the current collecting body 1 in the left-right direction is L1, 2.ltoreq.h1/H2.ltoreq.20, for example, H1/H2 may be 2, 3, 4, 5, 9, 10, 15, 19, 20, and/W1.ltoreq.20, for example, H1/W1 may be 2, 3, 4, 5, 9, 10, 15, 19, 20, and/or 1.ltoreq.h1/L1.ltoreq.10, for example, H1/L1 may be 2, 3, 4, 5, 7, 8, 10. The flow smoothness of the cooling liquid in the current collector can be improved while the structural strength of the current collector is ensured, the turbulence of the cooling liquid in the current collector is avoided, and the stability and the safety of the current collector are improved.
The cooling plate 100 of the embodiment of the utility model includes a plate body 3 and a current collector, wherein the plate body 3 is internally provided with a cooling cavity 31, the current collector is the current collector, the current collector is connected with the plate body 3, and the accommodating cavity 11 is communicated with the cooling cavity 31.
Specifically, the plate body 3 extends left and right, the plate body 3 has a cooling cavity 31 therein, the current collector is connected to the plate body 3 so that the accommodating cavity 11 communicates with the cooling cavity 31, and the cooling liquid enters the cooling cavity 31 through the accommodating cavity 11 to absorb heat, optionally, the number of the current collectors is plural, for example, the number of the current collectors is two, the two current collectors are arranged at intervals in the left-right direction, for example, the right end of one current collector of the two current collectors is connected to the left end of the plate body 3, the accommodating cavity 11 of the current collector communicates with the cooling cavity 31 of the plate body 3, the right end of the plate body 3 is connected to the left end of the other current collector, the accommodating cavity 11 of the other current collector communicates with the cooling cavity 31 of the plate body 3, and the cooling liquid can enter the cooling cavity 31 of the plate body 3 from one of the two current collectors to cool, and the cooling liquid enters the other current collector from the plate body 3 to complete the cooling cycle.
By adopting the current collector, the cooling plate 100 of the embodiment of the utility model reduces the space occupation of the cold-removed plate, improves the structural strength of the cooling plate 100 and reduces the manufacturing cost of the cooling plate 100.
In some embodiments, the cooling plate 100 further includes a plurality of partition plates 4, the plurality of partition plates 4 being respectively provided in the cooling chamber 31, the plurality of partition plates 4 being arranged at intervals in the height direction of the plate body 3 to partition the cooling chamber 31 into a plurality of cooling flow passages.
Specifically, the plurality of partition plates 4 are arranged at intervals in the up-down direction to divide the cooling cavity 31 into a plurality of cooling channels, so that the flow of the cooling liquid in the circulation process of the cooling plate 100 is smooth, and the distance between the two partition plates 4 can be designed according to different heat dissipation requirements, so that different use environments can be applied.
In some embodiments, the inclination angles of the plurality of partition plates 4 are the same, or the inclination angles of the plurality of partition plates 4 are gradually increased and then gradually decreased from top to bottom.
Specifically, as shown in fig. 5 and 6, the inclination angle of the partition plates 4 positioned at the uppermost and lowermost ends of the plurality of partition plates 4 is the smallest, and the inclination angle of the partition plates positioned in the middle of the plurality of partition plates 4 is the largest, so that the cooling plate exhibits the characteristics of high up-down rigidity, low middle rigidity and high flexibility, and not only can the structural strength of the cooling plate be improved, but also the cooling plate has a certain elasticity to absorb the expansion of the battery cell 200.
For example, the partition plate 4 may be divided into a first partition plate 41, a second partition plate 42, a third partition plate 43, a fourth partition plate 44, a fifth partition plate 45, a sixth partition plate 46, and a seventh partition plate 47, with an angle between the first partition plate 41 and the inner wall surface of the plate body 3, and with a larger angle between the first partition plate 41 and the inner wall surface of the plate body 3 being α1, and 90+.α1+.120 °. For example, α1 may be 90 °, 100 °, 110 °, 120 °.
An included angle is formed between the second partition plate 42 and the inner wall surface of the plate body 3, and a larger included angle between the second partition plate 42 and the inner wall surface of the plate body 3 is alpha 2, and alpha 2 is more than or equal to 95 degrees and less than or equal to 130 degrees. For example, α2 may be 95 °, 100 °, 110 °, 130 °.
An included angle is formed between the third partition plate 43 and the inner wall surface of the plate body 3, and a larger included angle between the third partition plate 43 and the inner wall surface of the plate body 3 is alpha 3, and alpha 3 is more than or equal to 100 degrees and less than or equal to 140 degrees. For example, α3 may be 100 °, 110 °, 120 °, 140 °.
An included angle is formed between the fourth partition plate 44 and the inner wall surface of the plate body 3, and a larger included angle between the fourth partition plate 44 and the inner wall surface of the plate body 3 is alpha 4, and alpha 4 is more than or equal to 105 degrees and less than or equal to 150 degrees. For example, α4 may be 105 °, 110 °, 120 °, 150 °.
An included angle is formed between the fifth partition plate 45 and the inner wall surface of the plate body 3, and a larger included angle between the fifth partition plate 45 and the inner wall surface of the plate body 3 is α5 (not shown), and α5 is 100 degrees or more and 140 degrees or less. For example, α5 may be 100 °, 110 °, 120 °, 140 °.
The sixth partition plate 46 has an angle with the inner wall surface of the plate body 3, and a larger angle between the sixth partition plate 46 and the inner wall surface of the plate body 3 is α6 (not shown), and α6 is 95 ° -130 °, for example, α6 may be 95 °, 110 °, 130 °.
The seventh partition plate 47 has an angle with the inner wall surface of the plate body 3, and a larger angle between the seventh partition plate 47 and the inner wall surface of the plate body 3 is α7 (not shown), and α7 is 90 ° -120 °, for example, α7 may be 90 °, 100 °, 110 °, 120 °.
And α1- α2- α3- α4, α7- α6- α5- α4, optionally α1=α7, α2=α6, α3=α5, the plate body 3 may be divided into an upper section, a lower section and a middle section in the up-down direction. The rigidity of the upper section and the lower section of the plate body 3 is larger, the rigidity of the middle section of the plate body 3 is smaller than the rigidity of the upper section and the lower section of the plate body 3, the flexibility of the middle section of the plate body 3 is larger than the flexibility of the upper section and the lower section of the plate body 3, the situation that the middle section of the plate body 3 is broken due to larger rigidity due to collision is avoided, meanwhile, the structural strength of the cooling plate 100 is guaranteed due to the fact that the rigidity of the upper section and the lower section of the plate body 3 is larger than the rigidity of the middle section of the plate body 3, and the stability and the safety of the cooling plate 100 are improved.
Optionally, the partition plate 4 is a flat plate, and/or the partition plate 4 is an arc plate. That is, the dividing plate may be a flat plate to ensure the rigidity of the cooling plate 100, and/or the dividing plate may be an arc plate to increase the contact area between the cooling liquid and the cooling plate 100, to increase the cooling efficiency of the cooling plate 100, and the dividing plate may be an arc plate to increase the flexibility of the cooling plate 100, so as to increase the stability and safety of the cooling plate 100.
In some embodiments, the plate 3 has a length L2, the plate 3 has a height H3, the plate 3 has a width T1, and 5.ltoreq.L1/L2.ltoreq.100, and/or 3.ltoreq.H2/T1.ltoreq.50, and/or 2.ltoreq.L1/H1.ltoreq.50.
Specifically, the dimension of the plate body 3 in the left-right direction is L2, the dimension of the plate body 3 in the up-down direction is H3, the dimension of the plate body 3 in the front-rear direction is T1, and 5.ltoreq.l1/l2.ltoreq.100, for example, L1/L2 is 5, 15, 25, 30, 40, 50, 60, 70, 90, 100, and/or 3.ltoreq.h3/T1.ltoreq.50, for example, H3/T1 is 3, 4, 10, 20, 30, 40, 50, and/or 2.ltoreq.l1/h1.ltoreq.50, for example, L1/H1 may be 2, 10, 30, 40, 50. The turbulence generated when the cooling liquid enters the plate body 3 is avoided, the circulation resistance of the cooling liquid in the current collector is reduced, the structural strength of the current collector is improved, the occupied space of the cold-removing plate is reduced while the use requirement of the cooling plate 100 is met, and the stability and the safety of the cooling plate 100 are improved.
The battery pack according to the embodiment of the utility model includes the cooling plate 100 and the plurality of battery cells 200 according to any one of the above, the plurality of battery cells 200 are arranged at intervals along the length direction of the cooling plate 100, and the outer wall surface of the cooling plate 100 is in contact with the outer wall surface of the battery cells 200.
The battery pack of the embodiment of the utility model adopts the cooling plate, so that the cooling efficiency of the battery cell 200 can be improved, and the structural stability and the service life of the battery pack can be improved.
The vehicle comprises the battery pack.
The vehicle according to the embodiment of the utility model adopts the cooling plate 100, so that the cooling efficiency of the battery pack can be improved, and the structural stability and the service life of the battery pack can be improved.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (12)
1. A current collector, comprising:
the collecting body is internally provided with a containing cavity;
the liquid inlet comprises a first liquid inlet and a second liquid inlet, the first liquid inlet and the second liquid inlet are respectively communicated with the accommodating cavity, the first liquid inlet and the second liquid inlet are oppositely arranged in the width direction of the current collecting body, the first liquid inlet is far away from one side end face of the current collecting body and the second liquid inlet is far away from one side end face of the current collecting body, the interval distance between the side end faces of the current collecting body and the current collecting body in the width direction of the current collecting body is W2, the width of the current collecting body is W1, and W2/W1 is less than or equal to 20.
2. The current collector according to claim 1, wherein the current collector body is provided with a connecting portion, the connecting portion is arranged outside the accommodating cavity, the connecting portion protrudes outwards in a direction away from the current collector body, the connecting portion comprises a first connecting portion and a second connecting portion, the first liquid inlet nozzle is connected with the current collector body through the first connecting portion, and the second liquid inlet nozzle is connected with the current collector body through the second connecting portion.
3. The current collector of claim 1, wherein the current collector body further comprises an arcuate portion, the arcuate portion protruding in a direction away from the receiving cavity, and an inner wall surface of the arcuate portion is an arcuate surface protruding in a direction away from the receiving cavity.
4. The current collector of claim 1, wherein the height of the current collecting body is H1, the diameter of the liquid inlet nozzle is H2, 2.ltoreq.h1/h2.ltoreq.20, and/or 3.ltoreq.h1/w1.ltoreq.20.
5. The current collector of claim 4, wherein the length of the current collecting body is L1 and 1.ltoreq.h1/L1.ltoreq.10.
6. A cooling plate, comprising:
the plate body is internally provided with a cooling cavity;
a current collector as claimed in any one of claims 1 to 5, connected to the plate and the receiving chamber communicating with the cooling chamber.
7. The cooling plate according to claim 6, further comprising a plurality of partition plates provided in the cooling chamber, respectively, the plurality of partition plates being arranged at intervals in a height direction of the plate body to partition the cooling chamber into a plurality of cooling flow passages.
8. The cooling plate according to claim 7, wherein the inclination angles of the plurality of partition plates are the same or the inclination angles of the plurality of partition plates are gradually increased and then gradually decreased from top to bottom.
9. The cooling plate according to claim 7, wherein the partition plate is a flat plate and/or the partition plate is an arc plate.
10. The cooling plate according to any one of claims 7-8, wherein the plate body has a length L2, the plate body has a height H3, the plate body has a width T1, and 5.ltoreq.l1/l2.ltoreq.100, and/or 3.ltoreq.h3/t1.ltoreq.50, and/or 2.ltoreq.l1/h1.ltoreq.50.
11. A battery pack comprising the cooling plate according to any one of claims 6 to 10.
12. A vehicle comprising a battery pack as claimed in claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222701438.5U CN219106316U (en) | 2022-10-13 | 2022-10-13 | Current collector, cooling plate, battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222701438.5U CN219106316U (en) | 2022-10-13 | 2022-10-13 | Current collector, cooling plate, battery pack and vehicle |
Publications (1)
| Publication Number | Publication Date |
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| CN219106316U true CN219106316U (en) | 2023-05-30 |
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| CN202222701438.5U Active CN219106316U (en) | 2022-10-13 | 2022-10-13 | Current collector, cooling plate, battery pack and vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN219106316U (en) |
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2022
- 2022-10-13 CN CN202222701438.5U patent/CN219106316U/en active Active
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