CN216671754U - Power battery and vehicle with same - Google Patents
Power battery and vehicle with same Download PDFInfo
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- CN216671754U CN216671754U CN202123030513.1U CN202123030513U CN216671754U CN 216671754 U CN216671754 U CN 216671754U CN 202123030513 U CN202123030513 U CN 202123030513U CN 216671754 U CN216671754 U CN 216671754U
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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 application relates to a power battery and vehicle that has it, power battery includes: the box body is provided with an installation cavity, and the end surface of the box body is provided with a liquid inlet and a liquid outlet; the two supports are oppositely arranged in the mounting cavity at intervals, the supports are provided with radiating tubes, the radiating tubes are arranged close to the supports, one ends of the radiating tubes are communicated with the liquid inlet, and the other ends of the radiating tubes are communicated with the liquid outlet; and the battery module is clamped between the two brackets. According to the power battery disclosed by the utility model, the cooling liquid flowing in the cooling pipe can be used for cooling the battery modules at two sides of the battery modules without influencing the internal structural arrangement of the battery modules, so that the temperature in the mounting cavity can be controlled when the power battery runs, the power battery is ensured to run in a safe temperature environment, and the normal running of the power battery is ensured.
Description
Technical Field
The application relates to the technical field of batteries, in particular to a power battery and a vehicle with the same.
Background
With the development of new energy, batteries become mainstream power supplies, but the environmental temperature of the batteries has a great influence on the batteries, and the service performance, service life, safety and reliability of the batteries can be directly influenced by the environmental temperature of the batteries. And because power battery can produce a large amount of heats in work, under the environment that power battery is put compactly, the heat is gathering more easily, consequently need research to relate to reasonable cooling scheme to guarantee that the operating temperature of power battery group maintains in a reasonable range.
The cooling modes of the conventional power battery box include natural heat dissipation, cold air heat dissipation and conventional liquid cooling heat dissipation. Because the temperature has a great influence on the battery core, how to control the temperature of the battery is of great importance, but the traditional cooling mode cannot completely activate the use limit of the battery core at present, and the use multiplying power of the battery core is limited.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a power battery which can radiate heat of a battery module and does not influence the internal arrangement of the battery module.
According to the embodiment of the utility model, the power battery comprises: the box body is provided with an installation cavity, and the end surface of the box body is provided with a liquid inlet and a liquid outlet; the two supports are oppositely arranged in the mounting cavity at intervals, the supports are provided with radiating tubes, the radiating tubes are arranged close to the supports, one ends of the radiating tubes are communicated with the liquid inlet, and the other ends of the radiating tubes are communicated with the liquid outlet; and the battery module is clamped between the two brackets.
According to the power battery provided by the embodiment of the utility model, the cooling liquid flowing in the cooling pipe can be used for cooling the battery modules at two sides of the battery modules without influencing the internal structural arrangement of the battery modules, so that the temperature in the installation cavity can be controlled when the power battery runs, the power battery is ensured to run in a safe temperature environment, and the normal running of the power battery is ensured.
According to the power battery provided by the embodiment of the utility model, the plurality of mounting holes are formed in the supports, the battery module comprises a plurality of battery monomers, each battery monomer comprises a plurality of battery cells, two ends of each battery cell are respectively arranged in the mounting holes in the two supports in a penetrating manner, and the radiating pipes are arranged to avoid the mounting holes, so that the radiating pipes can be arranged to cool the battery cells, more battery cells can be arranged in the battery module, and the use multiplying power of the battery cells is improved.
According to the power battery of the embodiment of the utility model, the battery cell further comprises: the support is located to the connection piece of two relative settings, and the support is located and is kept away from one side of battery module, is equipped with the pilot hole on the connection piece, and the positive terminal and the negative pole end of electric core all are equipped with the screw rod, and in the direction of keeping away from electric core gradually, the screw rod passes mounting hole and pilot hole in proper order, and the cover is equipped with the nut and the nut is located one side of keeping away from electric core of connection piece on the screw rod. The battery module includes the battery monomer of a plurality of different capacities, and the battery cell of different capacities forms for the electric core series connection of different quantity, and the connection piece has realized establishing ties a plurality of electric cores together, and through screw rod and nut with connection piece and electric core fixed connection, can make to connect in the connection of electric core more have the steadiness.
Optionally, the method further comprises: the insulation board, the insulation board is located between connection piece and the support, is equipped with a plurality of locating holes on the insulation board, and in the direction of keeping away from electric core gradually, the screw rod passes mounting hole, locating hole and pilot hole in proper order, has so played the effect of insulating protection electric core, can prevent simultaneously that the box from warping when contacting with electric core.
Optionally, the liquid inlet and the liquid outlet are located on two opposite end faces of the box body. So set up can make arranging of inlet and liquid outlet more reasonable.
Optionally, the plurality of mounting holes are divided into two groups, a gap is provided between the two groups, the gap has a first end and a second end opposite to each other along the length direction, and the radiating pipe extends from the first end back to the first end along the circumferential direction of the bracket and then extends to the second end along the length direction of the gap. So can increase the length of cooling tube for the radiating effect of cooling tube to electric core is better.
Optionally, the plurality of mounting holes are divided into two groups, a gap is arranged between the two groups, the gap has opposite first and second ends along the length direction, a first gap and a second gap are arranged on one side of each group away from the other group, the gap has opposite first and second ends along the length direction, the heat dissipation pipe comprises three heat conduction sub-pipes, and the three heat conduction sub-pipes simultaneously extend to the second end from the first end along the gap, the first gap and the second gap respectively. So can increase the heat radiating area of cooling tube, further promote the radiating effect of cooling tube.
According to the power battery provided by the embodiment of the utility model, the flow meter is arranged at the liquid inlet or the liquid outlet and used for controlling the flow rate of the cooling liquid in the radiating pipe, so that the heat radiating efficiency of the battery module under different working conditions can be flexibly controlled by controlling the flow rate of the cooling liquid in the radiating pipe.
According to the power battery provided by the embodiment of the utility model, the two opposite side end surfaces of the box body are respectively provided with the first collecting pipe and the second collecting pipe, the first collecting pipe defines the liquid inlet, the second collecting pipe defines the liquid outlet, the first collecting pipe is connected with the inlet end of the radiating pipe, and the second collecting pipe is connected with the outlet end of the radiating pipe. So realize leading-in cooling tube with the coolant liquid through first collecting pipe, realize exporting the coolant liquid from the cooling tube through the second collecting pipe.
According to the utility model provides a vehicle, including above-mentioned power battery.
According to the vehicle provided by the embodiment of the utility model, the battery module can be effectively radiated on the premise of ensuring that the internal structure arrangement of the battery module is not influenced, so that the use multiplying power of the battery cell is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a perspective view of a power battery according to an embodiment of the present invention;
fig. 2 is a perspective view of a partial structure of a power battery according to an embodiment of the present invention;
fig. 3 is a perspective view of still another angle of a partial structure of a power battery according to an embodiment of the present invention;
fig. 4 is a perspective view of another angle of a partial structure of a power battery according to an embodiment of the present invention;
fig. 5 is a perspective view of the internal structure of a power battery according to an embodiment of the present invention;
fig. 6 is a perspective view of another angle of the internal structure of the power battery according to the embodiment of the present invention;
fig. 7 is a perspective view of a bracket of a power battery according to an embodiment of the present invention.
Reference numerals:
the power battery 1 is provided with a power battery,
a box body 10, a liquid inlet 11, a first collecting pipe 13, a second collecting pipe 14,
the bracket 20, the interval 201, the radiating pipe 21, the inlet end 21a of the radiating pipe, the outlet end 21b of the radiating pipe, the mounting hole 22,
the battery module 30, the battery core 31, the screw 310, the nut 312, the connecting piece 32,
the valve comprises an insulating plate 40, a general aluminum plate 50 and a valve bracket 51.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.
The power battery 1 according to the embodiment of the utility model is described below with reference to the drawings.
As shown in fig. 1 to 4, a power battery 1 according to an embodiment of the present invention includes: the battery pack includes a case 10, two brackets 20, and a battery module 30.
Specifically, the box body 10 is provided with an installation cavity, and the end surface of the box body 10 is provided with a liquid inlet 11 and a liquid outlet; the two brackets 20 are oppositely arranged in the mounting cavity at intervals 201, the brackets 20 are provided with radiating pipes 21, the radiating pipes 21 are tightly attached to the brackets 20, one ends of the radiating pipes 21 are communicated with the liquid inlet 11, and the other ends of the radiating pipes 21 are communicated with the liquid outlet; the battery module 30 is clamped between the two brackets 20.
In the unfolded state, the two brackets 20 fix the battery module 30 in the case 10, and the case 10 has an inlet 11 and an outlet on the end surface for allowing the cooling fluid to flow into the heat dissipating pipe 21 and the cooling fluid to flow out of the heat dissipating pipe 21. Be equipped with the cooling tube 21 on the support 20, the setting of support 20 is hugged closely to cooling tube 21 for cooling tube 21 can dispel the heat to battery module 30 in battery module 30's both sides, does not influence battery module 30's inner structure, and the radiating effect is good, and simple structure can promote battery module 30's use multiplying power.
It should be noted that the liquid inlet 11 and the liquid outlet may be disposed on the same end surface of the box 10, or may be disposed on different end surfaces of the box 10, for example, the liquid inlet 11 is disposed on a left end surface of the box 10, and the liquid outlet is disposed on a right end surface of the box 10, wherein two ends of the left and right support frames 20 opposite to each other in the length direction are not limited in this application.
The pipe diameters of the heat pipes 21 may be the same along the length direction, or may be set larger than those of other areas according to the place where the heat is collected more by the battery module 30.
In addition, the battery cell 31 may be a cylindrical battery cell 31, and the application is not limited thereto.
According to the power battery 1 of the embodiment of the utility model, the cooling liquid flowing in the radiating pipe 21 can radiate the heat of the battery module 30 at two sides of the battery module 30 without affecting the internal structural arrangement of the battery module 30, so that the temperature in the installation cavity can be controlled when the power battery 1 runs, the power battery 1 is ensured to run in a safe temperature environment, and the normal running of the power battery 1 is ensured.
As shown in fig. 6 and 7, according to the power battery 1 of the embodiment of the utility model, the plurality of mounting holes 22 are formed in the support 20, the battery module 30 includes a plurality of battery cells, each battery cell includes a plurality of battery cells 31, two ends of each battery cell 31 respectively penetrate through the mounting holes 22 of the two supports 20, the heat dissipation pipe 21 is disposed to be away from the mounting hole 22, so that the heat dissipation pipe 21 can be disposed to cool the battery cells 31, a greater number of battery cells 31 can be arranged in the battery module 30, and the use magnification of the battery cells 31 is improved.
As shown in fig. 5 and 6, according to the power battery 1 of the embodiment of the present invention, the battery cell further includes: two connection pieces 32 that set up relatively, connection piece 32 locate one side that battery module 30 was kept away from to support 20, are equipped with the pilot hole on the connection piece 32, and the positive terminal and the negative pole end of electric core 31 all are equipped with screw rod 310, and in the direction of keeping away from electric core 31 gradually, screw rod 310 passes mounting hole 22 and pilot hole in proper order, and the cover is equipped with nut 312 and nut 312 on screw rod 310 is located one side of keeping away from electric core 31 of connection piece 32. The battery module 30 includes a plurality of battery cells, and capacities of the plurality of batteries may be different from each other, and a required capacity of the battery cell may be set as needed. The single battery comprises a plurality of battery cores 31, the single batteries with different capacities are formed by connecting the battery cores 31 with different numbers in series, the capacity of the single battery is determined by the different numbers of the battery cores 31, and the plurality of battery cores 31 are connected in series through the connecting sheet 32; the connecting sheet 32 is fixedly connected with the battery cell 31 through the screw 310 and the nut 312, so that the connection connected with the battery cell 31 is more stable, and the support 20 is located on one side of the connecting sheet 32 closer to the battery cell 31, so that the radiating pipe 21 on the support 20 is closer to the battery cell 31, and the heat of the battery cell 31 is better radiated.
As shown in fig. 4 and 5, optionally, the power battery 1 further includes: insulation board 40, insulation board 40 locate between connection piece 32 and support 20, are equipped with a plurality of locating holes on the insulation board 40, and in the direction of keeping away from electric core 31 gradually, screw rod 310 passes mounting hole 22, locating hole and pilot hole in proper order, has so played the effect of insulating protection electric core 31, can prevent simultaneously that box 10 from contacting with electric core 31 when warping.
Alternatively, the inlet port 11 and the outlet port are located on opposite end surfaces of the tank 10. Such an arrangement enables more rational arrangement of the liquid inlet 11 and the liquid outlet.
As shown in fig. 7, alternatively, the plurality of mounting holes 22 are divided into two groups, a space 201 is provided between the two groups, the space 201 has a first end and a second end opposite to each other along the length direction, and the radiating pipe 21 extends from the first end back to the first end along the circumferential direction of the bracket 20 and then extends to the second end along the length direction of the space 201. So as to increase the total length of the heat dissipation pipe 21, thereby increasing the heat dissipation area of the heat dissipation pipe 21, and making the heat dissipation effect of the heat dissipation pipe 21 on the battery cell 31 better.
As shown in fig. 7, alternatively, the plurality of mounting holes 22 are divided into two groups, a gap 201 is provided between the two groups, the gap 201 has a first end and a second end opposite to each other along the length direction, a first gap and a second gap are provided on the sides of the two groups away from each other, the gap 201 has a first end and a second end opposite to each other along the length direction, and the heat dissipation pipe 21 includes three heat conduction sub-pipes, which extend from the first end to the second end along the gap 201, the first gap and the second gap, respectively. Thus, the heat dissipation area of the heat dissipation tube 21 can be increased, and the heat dissipation effect of the heat dissipation tube 21 can be further improved.
According to the power battery 1 provided by the embodiment of the utility model, the flow meter is arranged at the liquid inlet 11 or the liquid outlet and used for controlling the flow rate of the cooling liquid in the radiating pipe 21, so that the heat dissipation efficiency of the battery module 30 under different working conditions can be flexibly controlled by controlling the flow rate of the cooling liquid in the radiating pipe 21.
As shown in fig. 3 and 5, according to the power battery 1 of the embodiment of the utility model, the box body 10 is provided with a first collecting pipe 13 and a second collecting pipe 14 on two opposite end surfaces thereof, the first collecting pipe 13 defines the liquid inlet 11, the second collecting pipe 14 defines the liquid outlet, the first collecting pipe 13 is connected with the inlet end 21a of the radiating pipe 21, and the second collecting pipe 14 is connected with the outlet end 21b of the radiating pipe 21. In this way, the first manifold 13 guides the coolant to the heat radiating pipe 21, and the second manifold 14 guides the coolant from the heat radiating pipe 21.
As shown in fig. 3 and 5, a liquid inlet valve is provided on the first manifold 13, and a liquid outlet valve is provided on the second manifold 14. The box 10 is further provided with a valve bracket 51 for fixing the liquid inlet valve and the liquid outlet valve.
As shown in fig. 3 and 5, a total positive aluminum plate 50 and a total negative aluminum plate are further disposed on the box body 10, a first fixing hole is disposed on the total positive aluminum plate 50, the first collecting pipe 13 is disposed in the first fixing hole in a penetrating manner, a second fixing hole is disposed on the total negative aluminum plate, and the second collecting pipe 14 is disposed in the second fixing hole in a penetrating manner.
In the embodiment shown in the figures, there are two first collecting pipes 13, two first collecting pipes 13 are respectively communicated with the radiating pipes 21 on one bracket 20, there are two second collecting pipes 14, two second collecting pipes 14 are respectively communicated with the radiating pipes 21 on one bracket 20, a sealing gasket is arranged between the total positive aluminum plate 50 and the box body 10, and a sealing gasket is also arranged between the total negative aluminum plate and the box body 10.
The power battery 1 according to the embodiment of the utility model has the following assembly process:
placing the box body 10 on a working table, fixing the support 20 in the accommodating cavity, and installing the battery cell 31 into the support 20 according to a designed series-parallel connection mode;
installing an insulating plate 40;
mounting a connecting plate according to a design rule, and fixing by adopting a nut 312;
installing a total positive aluminum plate 50 and a total negative aluminum plate;
installing a liquid inlet valve and a liquid outlet valve;
the valve holder 51 is mounted.
The vehicle according to the present embodiment includes the power battery 1 described above.
According to the vehicle provided by the embodiment of the utility model, the battery module 30 can be radiated at two sides of the battery module 30 without influencing the internal structural arrangement of the battery module 30, so that the use multiplying power of the battery cell 31 is improved.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on those illustrated in the drawings, merely for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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, the schematic representations of the terms used above do not necessarily refer 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.
Claims (10)
1. A power cell, comprising:
the box body is provided with an installation cavity, and a liquid inlet and a liquid outlet are formed in the end face of the box body;
the two supports are oppositely arranged in the installation cavity at intervals, the supports are provided with radiating tubes, the radiating tubes are arranged close to the supports, one ends of the radiating tubes are communicated with the liquid inlet, and the other ends of the radiating tubes are communicated with the liquid outlet;
and the battery module is clamped between the two brackets.
2. The power battery according to claim 1, wherein a plurality of mounting holes are formed in the bracket, the battery module comprises a plurality of battery cells, each battery cell comprises a plurality of battery cells, two ends of each battery cell are respectively inserted into the mounting holes in the two brackets, and the heat dissipation pipe is arranged to avoid the mounting holes.
3. The power battery of claim 2, wherein the battery cell further comprises:
two connection pieces that set up relatively, the connection piece is located the support is kept away from one side of battery module, be equipped with the pilot hole on the connection piece, the positive terminal and the negative pole end of electric core all are equipped with the screw rod, keeping away from gradually in the direction of electric core, the screw rod passes in proper order the mounting hole with the pilot hole, the cover is equipped with the nut just on the screw rod the nut is located keeping away from of connection piece one side of electric core.
4. The power cell of claim 3, further comprising:
the insulation board is arranged between the connecting sheet and the support, a plurality of positioning holes are formed in the insulation board, the insulation board is gradually far away from the battery cell in the direction, and the screw rod sequentially penetrates through the mounting hole, the positioning holes and the assembling holes.
5. The power battery of claim 2, wherein the liquid inlet and the liquid outlet are located on opposite end faces of the tank.
6. The power battery as claimed in claim 5, wherein the plurality of mounting holes are divided into two groups, a space is provided between the two groups, the space has a first end and a second end opposite to each other along the length direction, and the heat dissipation pipe extends from the first end along the circumferential direction of the bracket back to the first end and then extends along the length direction of the space to close to the second end.
7. The power battery according to claim 5, wherein the plurality of mounting holes are divided into two groups, a space is provided between the two groups, the space has a first end and a second end opposite to each other along the length direction, a first gap and a second gap are provided on the sides of the two groups away from each other, the space has a first end and a second end opposite to each other along the length direction, the heat dissipation tube comprises three heat-conducting sub-tubes, and the three heat-conducting sub-tubes simultaneously extend from the first end to the second end along the space, the first gap and the second gap, respectively.
8. The power battery as claimed in claim 1, wherein a flow meter is provided at the inlet or the outlet for controlling the flow rate of the cooling liquid in the heat dissipation pipe.
9. The power battery as recited in claim 1, wherein a first manifold and a second manifold are respectively disposed on opposite end surfaces of the case, the first manifold defining the inlet port, the second manifold defining the outlet port, the first manifold being connected to the inlet end of the heat dissipation tube, and the second manifold being connected to the outlet end of the heat dissipation tube.
10. A vehicle characterized by comprising a power battery according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123030513.1U CN216671754U (en) | 2021-12-02 | 2021-12-02 | Power battery and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123030513.1U CN216671754U (en) | 2021-12-02 | 2021-12-02 | Power battery and vehicle with same |
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| Publication Number | Publication Date |
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| CN216671754U true CN216671754U (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123030513.1U Active CN216671754U (en) | 2021-12-02 | 2021-12-02 | Power battery and vehicle with same |
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| CN (1) | CN216671754U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117559029A (en) * | 2022-08-05 | 2024-02-13 | 比亚迪股份有限公司 | Heat dissipation support, battery module and battery pack |
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2021
- 2021-12-02 CN CN202123030513.1U patent/CN216671754U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117559029A (en) * | 2022-08-05 | 2024-02-13 | 比亚迪股份有限公司 | Heat dissipation support, battery module and battery pack |
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