CN213425098U - Power battery pack with cooling system - Google Patents
Power battery pack with cooling system Download PDFInfo
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- CN213425098U CN213425098U CN202022222804.XU CN202022222804U CN213425098U CN 213425098 U CN213425098 U CN 213425098U CN 202022222804 U CN202022222804 U CN 202022222804U CN 213425098 U CN213425098 U CN 213425098U
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- battery pack
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- power battery
- cooling system
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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 discloses a power battery package with cooling system relates to the cooling technology field of power battery package, and this power battery package includes: the battery pack comprises a battery pack lower shell, a battery pack upper shell, a plurality of water cooling plates and cooling water pipes; the battery pack upper shell is arranged on the battery pack lower shell and is connected with the battery pack lower shell to form a sealed cavity; the plurality of water cooling plates are distributed on the lower shell of the battery pack and are positioned in the sealing cavity, the lower part of each water cooling plate is provided with a water inlet and outlet joint, and all the water inlet and outlet joints penetrate through the lower shell of the battery pack and extend to the outside of the sealing cavity; the cooling water pipe is arranged outside the sealed cavity and connected with the water inlet and outlet joints. The utility model discloses a condenser tube sets up the sealed chamber outside that casing formed under the battery package on casing and the battery package, does not occupy the inside space of arranging of sealed intracavity of power battery package, and condenser tube weeping also can not contact battery module, reduces the potential safety hazard.
Description
Technical Field
The utility model relates to a cooling technical field of power battery package, in particular to power battery package with cooling system.
Background
With the development of society, automobiles are more and more popularized in ordinary families, so that the number of the automobiles is more and more, and because the traditional automobiles are generally driven by fuel engines, the emission of automobile exhaust is increased, and the air environment of our life is inevitably influenced. In order to meet the requirements of the future automobile exhaust emission, the electric automobile as a novel energy automobile hardly emits exhaust in the using process, and becomes one of the important choices of the future automobile. An electric vehicle generally refers to a vehicle that runs with a power battery pack as a power source and with wheels driven by a motor. The power battery pack is used as a new power source, and the technical indexes of the power battery pack require that the power battery pack has an ultra-long service life, safe use, large endurance and the like. Among them, the temperature has an important influence on the performance and the service life of the power battery pack. In order to ensure that an electric vehicle can work safely and normally in various environments, a cooling system is generally required to be equipped for cooling the power battery pack in the conventional power battery pack.
In the related art, the power battery pack is usually cooled by wind cooling and liquid cooling. The air cooling system takes air as a medium, the structure of the system is simple, but the air cooling system is low in cooling efficiency due to the limitation of the air medium, and is difficult to apply to a high-power battery pack. In addition, the air-cooled fan is noisy when it is running, and is particularly noisy when power is increased. Compared with the prior art, the liquid cooling system uses the circulating pump, so that the cooling liquid circulates and dissipates heat, the noise is low, the heat capacity of the liquid is high, the temperature rise is slow, and the cooling effect is good for a high-power battery pack. Therefore, more and more electric vehicles adopt a liquid cooling system as a cooling system of the power battery pack.
However, the cooling water pipes in the cooling system of the existing power battery pack are all arranged inside the power battery pack, and the arrangement has the following problems: on one hand, the cooling water pipe occupies the arrangement space inside the power battery pack; on the other hand, in case of an emergency, the cooling water pipe leaks, and the leaked liquid contacts with the battery module inside the power battery pack, which may cause short circuit of the battery module, and even an explosion accident of the battery module in a serious case.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a power battery package with cooling system to condenser tube occupies power battery package inner space in solving the correlation technique, and easily contacts battery module when condenser tube weeping and causes the technical problem of incident.
In a first aspect, a power battery pack with a cooling system is provided, which includes:
a battery pack lower case;
the battery pack upper shell is arranged on the battery pack lower shell and is connected with the battery pack lower shell to form a sealed cavity;
the water cooling plates are distributed on the lower shell of the battery pack and are positioned in the sealed cavity, the lower part of each water cooling plate is provided with a water inlet and outlet joint, and all the water inlet and outlet joints penetrate through the lower shell of the battery pack and extend to the outside of the sealed cavity;
and the cooling water pipe is arranged outside the sealed cavity and is connected with all the water inlet and outlet joints.
In some embodiments, the cooling water pipe is provided with adapters corresponding to the water inlet and outlet connectors of the water cooling plates one to one.
In some embodiments, the water inlet and outlet joint is provided with a positioning connection column, and the adapter is provided with a positioning hole in fit connection with the positioning connection column.
In some embodiments, the adapter is provided with two concave holes matched with the water inlet and the water outlet of the water inlet and outlet connector.
In some embodiments, the cooling water pipe is provided with a fixing seat.
In some embodiments, a sealing gasket is sleeved on the water inlet and outlet joint.
In some embodiments, the water-cooled plate comprises any one or a combination of horizontal water-cooled plates, T-shaped water-cooled plates, or Z-shaped water-cooled plates.
In some embodiments, the cooling water pipe is disposed along an edge of the lower case of the battery pack.
In some embodiments, the cooling water pipe is made of stainless steel pipe.
In some embodiments, the water inlet and outlet tabs protrude at least 20mm from the battery pack lower housing.
The utility model provides a beneficial effect that technical scheme brought includes:
the embodiment of the utility model provides a power battery package with cooling system, it is outside the sealed chamber that casing formed on casing and the battery package under the battery package with condenser tube setting, does not occupy the inside space of arranging of power battery package. In addition, even if the cooling water pipe leaks, the cooling water pipe is arranged outside a sealing cavity formed by the lower shell of the battery pack and the upper shell of the battery pack, so that the leaked liquid cannot contact the battery module, the potential safety hazard is reduced, and the use safety of the power battery pack is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power battery pack with a cooling system according to an embodiment of the present invention;
fig. 2 is an exploded view of a power battery pack with a cooling system according to an embodiment of the present invention (without a battery pack upper case);
fig. 3 is a schematic structural diagram of a power battery pack with a cooling system according to an embodiment of the present invention (without a battery pack upper housing);
fig. 4 is a schematic structural diagram of a cooling water pipe of a power battery pack with a cooling system according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a water inlet/outlet joint of a power battery pack with a cooling system according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an adapter of a power battery pack having a cooling system according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a connection between a water inlet/outlet joint and an adapter of a power battery pack with a cooling system according to an embodiment of the present invention;
in the figure: 1. a battery pack lower case; 2. the battery pack is provided with a shell; 3. a water-cooling plate; 31. a water inlet and outlet joint; 311. positioning a connecting column; 312. a water inlet; 313. a water outlet; 4. a cooling water pipe; 41. an adapter; 42. a fixed seat; 411. positioning holes; 412. a concave hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the utility model provides a power battery package with cooling system, it can solve current condenser tube and occupy power battery package inner space, and easy contact battery module caused the technical problem of incident when condenser tube weeping.
Referring to fig. 1 and 2, a power battery pack with a cooling system includes: the battery pack comprises a battery pack lower shell 1, a battery pack upper shell 2, a plurality of water cooling plates 3 and a cooling water pipe 4.
Referring to fig. 1, the battery pack upper shell 2 is arranged on the battery pack lower shell 1 and connected with the battery pack lower shell 1 to form a sealed cavity, and the sealed cavity is used for installing a battery module of a power battery pack.
Referring to fig. 2 and 3, the plurality of water-cooling plates 3 are distributed on the lower case 1 of the battery pack and located in the sealed cavity, a water inlet and outlet joint 31 is arranged at the lower part of each water-cooling plate 3, and all the water inlet and outlet joints 31 penetrate through the lower case 1 of the battery pack and extend to the outside of the sealed cavity. Specifically, each water-cooling plate 3 is used for being connected with a battery module, and the bottom surface of the battery module is attached to the water-cooling plate 3.
Referring to fig. 2 and 3, the cooling water pipe 4 is arranged outside the sealed cavity, and the cooling water pipe 4 is connected with all the water inlet and outlet connectors 31.
Compared with the prior art, the embodiment of the utility model provides a power battery package with cooling system, it will cooling water pipe 4 sets up casing 1 under the battery package with the sealed chamber outside that casing 2 formed on the battery package does not occupy the inside space of arranging of power battery package. In addition, even if the cooling water pipe 4 leaks, the cooling water pipe 4 is arranged outside a sealing cavity formed by the lower shell 1 of the battery pack and the upper shell 2 of the battery pack, so that the leaked liquid cannot contact the battery module, the potential safety hazard is reduced, and the use safety of the power battery pack is ensured. And meanwhile, the cooling water pipe 4 is arranged outside the sealed cavity, so that the cooling water pipe 4 is convenient to maintain and replace when damaged.
As an optional implementation manner, referring to fig. 4, in the power battery pack with a cooling system in the embodiment of the present invention, the cooling water pipe 4 is provided with the adaptor 41 corresponding to the water inlet/outlet joints 31 of the plurality of water-cooling plates 3 one to one. Adapter 41 with business turn over water swivel 31 one-to-one, business turn over water swivel 31 all sets up the lower part of water-cooling board 3 can effectively be realized the inside hydrologic cycle of water-cooling board 3 ensures the cooling to battery module.
As an optional implementation manner, referring to fig. 5 and fig. 6, in the power battery pack with a cooling system in the embodiment of the present invention, a positioning connection column 311 is disposed on the water inlet and outlet connector 31, a positioning hole 411 is disposed on the adapter 41 and is connected to the positioning connection column 311 in a matching manner, and the positioning hole 411 and the positioning connection column 311 can position the water inlet and outlet connector 31 and the adapter 41 quickly, so as to facilitate connection.
As an optional implementation manner, referring to fig. 5 and fig. 6, in the power battery pack with a cooling system in the embodiment of the present invention, two concave holes 412 are provided on the adapter 41, and are matched with the water inlet 312 and the water outlet 313 of the water inlet and outlet connector 31, and the two concave holes 412 can connect the water inlet 312 and the water outlet 313 of the water inlet and outlet connector 31 with the water inlet pipe and the water outlet pipe of the cooling water pipe 4 quickly, which facilitates assembly. Fig. 7 is a schematic structural diagram of the connection between the water inlet/outlet joint 31 and the adapter 41.
As an alternative embodiment, referring to fig. 4, in the power battery pack with a cooling system in the embodiment of the present invention, a fixing seat 42 is disposed on the cooling water pipe 4, and the fixing seat 42 facilitates fixing the cooling water pipe 4 on the lower case 1 of the battery pack.
As optional implementation mode, the embodiment of the utility model provides a power battery package with cooling system, the cover is equipped with sealed the pad on business turn over water joint 31, sealed pad will business turn over water joint 31 with casing 1 is sealed under the battery package, prevents that dust or liquid from getting into casing 1 under the battery package with the sealed chamber that casing 2 formed on the battery package, further protect the inside battery module in sealed chamber.
As an alternative embodiment, referring to fig. 2, in the power battery pack with a cooling system in the embodiment of the present invention, the water-cooling plate 3 includes any one or a combination of a horizontal water-cooling plate, a T-shaped water-cooling plate, or a Z-shaped water-cooling plate. The embodiment of the utility model provides an in power battery includes horizontal water-cooling board, T shape cold water version and Z shape cold water board, specifically is: three horizontal cold plates, a T-shaped cold water plate and a Z-shaped cold water plate. The various cold water plates are provided with coolant flow passages inside, and when coolant (water) flows through the coolant flow passages, heat dissipated by the battery modules is taken away.
As optional implementation mode, the power battery pack with cooling system in the embodiment of the present invention, every the water-cooling plate 3 can be provided with a heat conducting pad, and the heat conducting pad is provided between the water-cooling plate 3 and the battery module, so as to facilitate the transfer of heat of the battery module and promote the cooling and heat dissipation of the battery module.
As an optional implementation manner, in the power battery pack with a cooling system in the embodiment of the present invention, the cooling water pipe 4 is disposed along the edge of the lower casing 1 of the battery pack, so as to ensure a more compact structure and reduce the installation space.
As an optional implementation manner, in the power battery pack with a cooling system in the embodiment of the present invention, the cooling water pipe 4 is made of a stainless steel pipe. The stainless steel pipe has the advantages of light weight, strong corrosion resistance and long service life when being bent and has the same torsional strength.
As an optional implementation manner, in the power battery pack with a cooling system in the embodiment of the present invention, the water inlet/outlet connector 31 protrudes out of the battery pack lower case 1 by at least 20 mm. The joint part is usually the part with higher liquid leakage risk, and the water inlet and outlet joint 31 protrudes out of the lower shell 1 of the battery pack by at least 20mm, so that the water inlet and outlet joint 31 and the adapter 41 are convenient to mount on one hand; on the other hand, even if the leakage appears at the joint part, because the business turn over water joint 31 protrusion casing 1 is 20mm at least under the battery package, and is located casing 1 below under the battery package, the leakage is difficult to get into casing 1 under the battery package with the sealed chamber that casing 2 formed on the battery package can avoid battery module contact leakage, guarantees battery module safety in utilization.
The embodiment of the utility model provides an in power battery package with cooling system, its theory of operation as follows:
referring to fig. 1, a lower case 1 of a battery pack, an upper case 2 of the battery pack, a plurality of water-cooling plates 3, and a cooling water pipe 4 are assembled as shown in fig. 1. Condenser tube 4 is connected with outside cooling water pump and coolant tank, it is electronic at the car in-process of traveling, when power battery package supplies power to external equipment, condenser tube 4 is carried to a plurality of water-cooling board 3 through condenser tube to the cooling water in the condenser tube extraction condenser tube, the inside coolant liquid runner that is equipped with of water-cooling board 3, the coolant liquid flows at the inside coolant liquid runner of water-cooling board 3, absorb the heat that power battery wraps the interior battery module of internal battery and give off, 4 backward flows to coolant tank of rethread condenser tube, the reciprocal circulation of coolant liquid carries out the liquid cooling to power battery wraps the interior battery module of internal battery, guarantee battery module work safety.
To sum up, the embodiment of the utility model provides an in one kind have cooling system's power battery package, cooling water pipe 4 does not occupy the inside space of arranging of power battery package, and 4 weepings of cooling water pipe also can not contact battery module, and the potential safety hazard is little, can use widely.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It is noted that, in the present invention, relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A power battery pack with a cooling system, comprising:
a battery pack lower case (1);
the battery pack upper shell (2) is arranged on the battery pack lower shell (1) and is connected with the battery pack lower shell (1) to form a sealed cavity;
the water cooling plates (3) are distributed on the lower battery pack shell (1) and are positioned in the sealed cavity, the lower part of each water cooling plate (3) is provided with a water inlet and outlet joint (31), and all the water inlet and outlet joints (31) penetrate through the lower battery pack shell (1) and extend to the outside of the sealed cavity;
and the cooling water pipe (4) is arranged outside the sealed cavity, and the cooling water pipe (4) is connected with all the water inlet and outlet joints (31).
2. The power battery pack with the cooling system according to claim 1, wherein:
the cooling water pipe (4) is provided with a plurality of adapters (41) which are in one-to-one correspondence with the water inlet and outlet joints (31) of the water cooling plate (3).
3. The power battery pack with the cooling system according to claim 2, wherein:
be equipped with location spliced pole (311) on business turn over water swivel (31), be equipped with on adapter (41) with location spliced pole (311) cooperation locating hole (411) of connecting.
4. The power battery pack with the cooling system according to claim 2, wherein:
and two concave holes (412) matched with the water inlet (312) and the water outlet (313) of the water inlet and outlet joint (31) are formed in the adapter (41).
5. The power battery pack with the cooling system according to claim 1, wherein: and a fixed seat (42) is arranged on the cooling water pipe (4).
6. The power battery pack with the cooling system according to claim 1, wherein: the water inlet and outlet joint (31) is sleeved with a sealing gasket.
7. The power battery pack with the cooling system according to claim 1, wherein:
the water cooling plate (3) comprises any one or combination of a horizontal water cooling plate, a T-shaped cold water plate or a Z-shaped cold water plate.
8. The power battery pack with the cooling system according to claim 1, wherein: the cooling water pipe (4) is arranged along the edge of the battery pack lower shell (1).
9. The power battery pack with the cooling system according to claim 1, wherein: the cooling water pipe (4) is made of a stainless steel pipe.
10. The power battery pack with the cooling system according to claim 1, wherein: the water inlet and outlet joint (31) protrudes out of the lower shell (1) of the battery pack by at least 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022222804.XU CN213425098U (en) | 2020-09-30 | 2020-09-30 | Power battery pack with cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022222804.XU CN213425098U (en) | 2020-09-30 | 2020-09-30 | Power battery pack with cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213425098U true CN213425098U (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022222804.XU Active CN213425098U (en) | 2020-09-30 | 2020-09-30 | Power battery pack with cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213425098U (en) |
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2020
- 2020-09-30 CN CN202022222804.XU patent/CN213425098U/en active Active
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