CN215680797U - Battery package water-cooling structure and power battery - Google Patents
Battery package water-cooling structure and power battery Download PDFInfo
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- CN215680797U CN215680797U CN202122113700.XU CN202122113700U CN215680797U CN 215680797 U CN215680797 U CN 215680797U CN 202122113700 U CN202122113700 U CN 202122113700U CN 215680797 U CN215680797 U CN 215680797U
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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 provides a battery pack water cooling structure and a power battery, which relate to the technical field of battery pack cooling and comprise the following components: the water cooling plate comprises a lower shell, a water cooling plate component and a water inlet and outlet joint; one side of the lower shell is provided with a liquid inlet and outlet part, the water-cooling plate component is connected with the bottom of the lower shell, the water inlet and outlet joint is arranged on one side, far away from the lower shell, of the liquid inlet and outlet part, the water-cooling plate component is provided with a cooling channel, and the water inlet and outlet joint is communicated with the cooling channel. Through installing water inlet and outlet joint in the one side of casing under the liquid business turn over portion is kept away from, make water inlet and outlet joint be located the outside of casing down, need not use water pipe part in the casing down, the condition that the internal water pipe of inferior valve leaked can not appear, can not influence electric core safety, realize the liquid electricity separation, the current battery package that has existed among the prior art has been alleviated, water inlet and outlet joint all is located the inboard of battery package, it connects to need the water pipe part, the water pipe part is in case the normal use that the emergence was leaked can directly influence the module, can't accomplish the technical problem of liquid electricity separation.
Description
Technical Field
The utility model relates to the technical field of battery pack cooling, in particular to a battery pack water cooling structure and a power battery.
Background
The power battery pack generally refers to packaging, packaging and assembly, such as: 2 batteries are connected in series to form a specific shape according to the requirements of customers, and we call it pack. In Pack industry, a battery which is not assembled into a battery cell and can be directly used is often called a battery cell, and a finished battery which is connected with a PCM (pulse-code modulation) board and has the functions of charge and discharge control and the like is often called a battery.
A water cooling plate is usually arranged in the power battery pack to serve as a water cooling structure, so that the battery module is guaranteed to be moderate at a proper working temperature.
However, in the existing battery pack, the water inlet and outlet connectors are all located on the inner side of the battery pack, water pipe parts are needed to be connected, and once the water pipe parts leak, the normal use of the module can be directly influenced, and liquid-electricity separation cannot be achieved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a battery pack water cooling structure and a power battery, and aims to solve the technical problems that in the prior art, water inlet and outlet connectors of the existing battery pack are located on the inner side of the battery pack, water pipe parts are required to be connected, once the water pipe parts leak, the normal use of a module is directly influenced, and liquid-electricity separation cannot be achieved.
In a first aspect, the present invention provides a battery pack water-cooling structure, including: the water cooling plate comprises a lower shell, a water cooling plate component and a water inlet and outlet joint;
one side of casing has liquid business turn over portion down, water-cooling plate component with the bottom of casing is connected down, business turn over water connect set up in liquid business turn over portion keeps away from one side of casing down, water-cooling plate component has cooling channel, business turn over water connect with cooling channel intercommunication.
In an alternative embodiment of the method of the present invention,
the lower housing includes a cross member;
the water-cooling plate component is detachably connected with the cross beam.
In an alternative embodiment of the method of the present invention,
the lower shell further comprises a longitudinal beam;
the longitudinal beam is connected with the cross beam, and the water-cooling plate component is detachably connected with the longitudinal beam.
In an alternative embodiment of the method of the present invention,
the lower shell further comprises an edge beam;
the boundary beam is respectively connected with the cross beam and the longitudinal beam, and is provided with a first connecting surface which is welded with the water-cooling plate component.
In an alternative embodiment of the method of the present invention,
the battery pack water-cooling structure also comprises heat-conducting sealant;
and one side of the boundary beam, which is close to the water inlet and outlet joint, is provided with a second connecting surface, and the second connecting surface is connected with the water-cooling plate component through the heat-conducting sealant.
In an alternative embodiment of the method of the present invention,
the battery pack water-cooling structure also comprises a battery module;
the battery module is respectively connected with the edge beam and the cross beam.
In an alternative embodiment of the method of the present invention,
and a liquid inlet cavity and a liquid outlet cavity are arranged in the water inlet and outlet joint, and the liquid inlet cavity and the liquid outlet cavity are communicated with the cooling channel.
In an alternative embodiment of the method of the present invention,
the water inlet and outlet connector is provided with a liquid inlet, and the liquid inlet is connected with the liquid inlet cavity.
In an alternative embodiment of the method of the present invention,
the water inlet and outlet joint is provided with a liquid outlet, and the liquid outlet is connected with the liquid outlet cavity.
In a second aspect, the power battery provided by the utility model comprises the battery pack water cooling structure.
The utility model provides a battery pack water-cooling structure, which comprises: the water cooling plate comprises a lower shell, a water cooling plate component and a water inlet and outlet joint; one side of the lower shell is provided with a liquid inlet and outlet part, the water-cooling plate component is connected with the bottom of the lower shell, the water inlet and outlet joint is arranged on one side, far away from the lower shell, of the liquid inlet and outlet part, the water-cooling plate component is provided with a cooling channel, and the water inlet and outlet joint is communicated with the cooling channel. Through installing water inlet and outlet joint in the one side of casing under the liquid business turn over portion is kept away from, make water inlet and outlet joint be located the outside of casing down, need not use water pipe part in the casing down, the condition that the internal water pipe of inferior valve leaked can not appear, can not influence electric core safety, realize the liquid electricity separation, the current battery package that has existed among the prior art has been alleviated, water inlet and outlet joint all is located the inboard of battery package, it connects to need the water pipe part, the water pipe part is in case the normal use that the emergence was leaked can directly influence the module, can't accomplish the technical problem of liquid electricity separation.
Drawings
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 that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is an exploded view of the overall structure of a water-cooling structure of a battery pack according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a water inlet and outlet joint in a water cooling structure of a battery pack provided in an embodiment of the present invention;
fig. 3 is a schematic overall structure diagram of a water cooling structure of a battery pack according to an embodiment of the present invention.
Icon: 100-lower housing; 110-a beam; 120-longitudinal beams; 130-edge beam; 200-a water-cooled plate member; 300-water inlet and outlet joints; 310-a liquid inlet chamber; 320-liquid outlet chamber; 330-a liquid inlet; 340-a liquid outlet; 400-heat conducting sealant; 500-battery module.
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 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. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers 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. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
As shown in fig. 1, fig. 2 and fig. 3, the battery pack water-cooling structure provided in this embodiment includes: a lower housing 100, a water-cooled plate member 200, and water inlet and outlet joints 300; one side of the lower casing 100 is provided with a liquid inlet and outlet portion, the water-cooled plate member 200 is connected with the bottom of the lower casing 100, the water inlet and outlet joint 300 is arranged on one side of the liquid inlet and outlet portion far away from the lower casing 100, the water-cooled plate member 200 is provided with a cooling channel, and the water inlet and outlet joint 300 is communicated with the cooling channel.
Specifically, the bottom plate of water-cooling board component 200 as lower casing 100 is installed in the bottom of casing 100 down, realize the lightweight requirement, and the radiating effect is better, water-cooling board component 200 specifically is the flushing water cooling board, one side of casing 100 has liquid business turn over portion down, install business turn over water swivel 300 in the outside of liquid business turn over portion, namely, install the outside of casing 100 down with business turn over water swivel 300, because business turn over water swivel 300 is in the outside of casing 100 down, need not to set up water pipe part in the inside of casing 100 down, consequently, the liquid leakage because of among the water pipe part can not appear, influence the normal use of battery module 500 in casing 100 down, realize the liquid electricity separation.
The battery package water-cooling structure that this embodiment provided includes: a lower housing 100, a water-cooled plate member 200, and water inlet and outlet joints 300; one side of the lower casing 100 is provided with a liquid inlet and outlet portion, the water-cooled plate member 200 is connected with the bottom of the lower casing 100, the water inlet and outlet joint 300 is arranged on one side of the liquid inlet and outlet portion far away from the lower casing 100, the water-cooled plate member 200 is provided with a cooling channel, and the water inlet and outlet joint 300 is communicated with the cooling channel. Through installing business turn over water swivel 300 in one side that casing 100 was kept away from down in the liquid business turn over portion, make business turn over water swivel 300 be located casing 100's the outside down, need not use water pipe part in casing 100 down, the condition of casing 100 interior water pipe leakage can not appear down, can not influence electric core safety, realize the liquid electricity separation, the current battery package that exists among the prior art has been alleviated, business turn over water swivel all is located the inboard of battery package, it connects to need water pipe part, water pipe part in case take place to leak can directly influence the normal use of module, can't accomplish the technical problem of liquid electricity separation.
On the basis of the above embodiment, in an alternative implementation manner, the lower housing 100 in the water cooling structure of the battery pack provided by the present embodiment includes the cross beam 110; the water-cooled panel member 200 is detachably coupled to the cross member 110.
Specifically, a plurality of cross beams 110 of the lower casing 100 may be provided, the cross beam 110 of the lower casing 100 and the water-cooled plate member 200 are detachably connected, specifically, the detachable connection is a bolt connection, a plurality of mounting points are provided on the cross beam 110, each mounting point fixes the water-cooled plate member 200 on the cross beam 110 of the lower casing 100 by using a bolt, and other connection methods may also be used to mount the water-cooled plate member 200 on the cross beam 110.
In an alternative embodiment, lower shell 100 further includes stringers 120; the longitudinal beam 120 is connected to the cross beam 110, and the water-cooled panel member 200 is detachably connected to the longitudinal beam 120.
Specifically, the longitudinal beam 120 of the lower shell 100 and the water-cooling plate member 200 are detachably connected, specifically, the detachable connection is a bolt connection, a plurality of mounting points are arranged on the longitudinal beam 120, each mounting point fixes the water-cooling plate member 200 on the longitudinal beam 120 of the lower shell 100 by using a bolt, and other connection modes can be used to install the water-cooling plate member 200 on the longitudinal beam 120.
In an alternative embodiment, lower housing 100 further includes a boundary beam 130; the edge beam 130 is connected to the cross beam 110 and the longitudinal beam 120, respectively, and the edge beam 130 has a first connection surface welded to the water-cooled panel member 200.
Specifically, one side of the edge beam 130 of the lower housing 100 close to the water-cooled plate member 200 has a first connecting surface, the first connecting surface is the other region of the water inlet/outlet joint 300, and the first connecting surface on the edge beam 130 and the water-cooled plate member 200 are welded by friction stir welding to fix the water-cooled plate member 200 on the edge beam 130.
In an alternative embodiment, the battery pack water-cooling structure further includes a heat conductive sealant 400; the side of the boundary beam 130 close to the water inlet/outlet joint 300 has a second connecting surface, and the second connecting surface is connected with the water-cooling plate member 200 through the heat-conducting sealant 400.
Specifically, one side of the bottom of the boundary beam 130, which is close to the water inlet/outlet joint 300, is provided with a second connecting surface, and the second connecting surface is connected with the water-cooling plate member 200 through the heat-conducting sealant 400, so that the bonding strength and the sealing are ensured.
In an optional embodiment, the battery pack water-cooling structure further includes a battery module 500; the battery module 500 is connected to the side frame 130 and the cross frame 110, respectively.
Specifically, the battery module 500 is mounted on the edge beam 130 and the cross beam 110 of the lower case 100, and the water-cooled plate member 200 does not bear the pressure from the battery module 500, thereby ensuring the normal use of the water-cooled plate member 200.
In the water-cooling structure of the battery pack provided by the embodiment, the cross beam 110 and the longitudinal beam 120 of the lower casing 100 are connected with the water-cooling plate member 200 by bolts, the edge beam 130 of the lower casing 100 is connected with the water-cooling plate member 200 by welding and heat-conducting sealant 400, the water-cooling plate member 200 is simple to mount, the assembly process is simplified, the sealing performance is better,
on the basis of the foregoing embodiment, in an optional implementation manner, a liquid inlet chamber 310 and a liquid outlet chamber 320 are disposed in the water inlet and outlet connector 300 in the water cooling structure of the battery pack provided in this embodiment, and both the liquid inlet chamber 310 and the liquid outlet chamber 320 are communicated with the cooling channel.
Specifically, the water inlet and outlet connector 300 is welded on the water cooling plate member 200, two chambers, namely a liquid inlet chamber 310 and a liquid outlet chamber 320, are arranged in the water inlet and outlet connector 300, external cooling liquid enters the liquid inlet chamber 310, flows along a cooling channel on the water cooling plate member 200, and finally flows out of the liquid outlet chamber 320, so that cooling liquid circulation is realized.
In an alternative embodiment, the water inlet/outlet connector 300 is provided with a liquid inlet 330, and the liquid inlet 330 is connected with the liquid inlet chamber 310.
Specifically, a liquid inlet 330 is arranged on the water inlet/outlet connector 300, the external cooling liquid is fed into the liquid inlet chamber 310 through the liquid inlet 330, a water pipe part can be arranged on the liquid inlet 330, and the external cooling liquid enters the liquid inlet chamber 310 along the water pipe part.
In an alternative embodiment, the water inlet/outlet connector 300 is provided with a liquid outlet 340, and the liquid outlet 340 is connected to the liquid outlet chamber 320.
Specifically, a liquid outlet 340 is arranged on the water inlet/outlet connector 300, external cooling liquid is discharged from the liquid chamber 320 through the liquid outlet 340, a water pipe part can be arranged on the liquid outlet 340, and the cooling liquid in the liquid chamber 320 flows into the water pipe part through the liquid outlet 340.
The battery pack water-cooling structure provided by the embodiment is characterized in that the water inlet and outlet joints 300 are welded on the water-cooling plate member 200, the water inlet and outlet joints 300 are provided with the liquid inlet chamber 310 and the liquid outlet chamber 320, the liquid inlet chamber 310 is divided into water inlets, the liquid outlet chamber 320 is divided into water outlets, and the design of multiple inlets and multiple outlets of the water-cooling plate can be realized.
The power battery provided by the embodiment comprises a battery pack water cooling structure.
Since the technical effect of the power battery provided by this embodiment is the same as the technical effect of the water cooling structure of the battery pack provided by the above embodiment, the details are not repeated here.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A battery package water-cooling structure, its characterized in that includes: the water cooling device comprises a lower shell (100), a water cooling plate component (200) and a water inlet and outlet joint (300);
one side of the lower shell (100) is provided with a liquid inlet and outlet part, the water-cooling plate component (200) is connected with the bottom of the lower shell (100), the water inlet and outlet joint (300) is arranged on one side, far away from the lower shell (100), of the liquid inlet and outlet part, the water-cooling plate component (200) is provided with a cooling channel, and the water inlet and outlet joint (300) is communicated with the cooling channel.
2. The battery pack water-cooling structure according to claim 1,
the lower case (100) includes a cross member (110);
the water-cooling plate component (200) is detachably connected with the cross beam (110).
3. The battery pack water-cooling structure according to claim 2,
the lower shell (100) further comprises a longitudinal beam (120);
the longitudinal beam (120) is connected with the cross beam (110), and the water-cooling plate component (200) is detachably connected with the longitudinal beam (120).
4. The battery pack water-cooling structure according to claim 3,
the lower shell (100) further comprises a boundary beam (130);
the boundary beam (130) is respectively connected with the cross beam (110) and the longitudinal beam (120), the boundary beam (130) is provided with a first connecting surface, and the first connecting surface is welded with the water-cooling plate component (200).
5. The battery pack water-cooling structure according to claim 4,
the battery pack water-cooling structure further comprises heat-conducting sealant (400);
and one side of the boundary beam (130) close to the water inlet and outlet joint (300) is provided with a second connecting surface, and the second connecting surface is connected with the water-cooling plate component (200) through the heat-conducting sealant (400).
6. The battery pack water-cooling structure according to claim 4,
the battery pack water-cooling structure further comprises a battery module (500);
the battery module (500) is respectively connected with the edge beam (130) and the cross beam (110).
7. The battery pack water-cooling structure according to claim 1,
a liquid inlet chamber (310) and a liquid outlet chamber (320) are arranged in the water inlet and outlet joint (300), and the liquid inlet chamber (310) and the liquid outlet chamber (320) are communicated with the cooling channel.
8. The battery pack water-cooling structure according to claim 7,
the water inlet and outlet connector (300) is provided with a liquid inlet (330), and the liquid inlet (330) is connected with the liquid inlet cavity (310).
9. The battery pack water-cooling structure according to claim 7,
the water inlet and outlet joint (300) is provided with a liquid outlet (340), and the liquid outlet (340) is connected with the liquid outlet chamber (320).
10. A power battery comprising the battery pack water-cooling structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122113700.XU CN215680797U (en) | 2021-09-02 | 2021-09-02 | Battery package water-cooling structure and power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122113700.XU CN215680797U (en) | 2021-09-02 | 2021-09-02 | Battery package water-cooling structure and power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215680797U true CN215680797U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122113700.XU Active CN215680797U (en) | 2021-09-02 | 2021-09-02 | Battery package water-cooling structure and power battery |
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|---|---|
| CN (1) | CN215680797U (en) |
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2021
- 2021-09-02 CN CN202122113700.XU patent/CN215680797U/en active Active
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