CN217641504U - Integrated water-cooling structure and battery box - Google Patents
Integrated water-cooling structure and battery box Download PDFInfo
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- CN217641504U CN217641504U CN202123371724.1U CN202123371724U CN217641504U CN 217641504 U CN217641504 U CN 217641504U CN 202123371724 U CN202123371724 U CN 202123371724U CN 217641504 U CN217641504 U CN 217641504U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides an integrated water-cooling structure and battery box. The integrated water cooling structure comprises an integrated water cooling plate, a water inlet pipe and a water outlet pipe; a cooling channel is formed inside the integrated water-cooling plate, and a water inlet pipe and a water outlet pipe are respectively arranged on the integrated water-cooling plate and are respectively communicated with two ends of the cooling channel; the cooling channel comprises a plurality of liquid channels which are adjacently arranged, and any two adjacent liquid channels are communicated in series or in parallel. The battery box body adopts the integrated water cooling structure and also comprises an upper cover and a frame beam; the integrated water cooling plate, the frame beam and the upper cover form an airtight space for installing the battery module, and the pipe orifices of the water inlet pipe and the water outlet pipe are all located outside the battery box body. The utility model discloses combine effects such as cooling, sealed, structure enhancement and battery module installation are fixed, help simplifying the structure of battery box to help promoting the work efficiency and the suitability of battery box, and then help reducing manufacturing and manufacturing cost.
Description
Technical Field
The utility model relates to a battery cooling technology field specifically, relates to an integrated water-cooling structure and battery box.
Background
In order to control the working temperature of the power battery during use, in the prior art, a cooling device is usually arranged in a battery box body separately, and specifically, a brazed water-cooling plate or harmonica-shaped tube water-cooling tube device is installed in the battery box body, and the cooling device can take away heat generated by the power battery during operation. However, the cooling device has low structural strength due to the characteristics of materials and manufacturing processes, and devices such as a bottom plate and an installation beam are required to play roles in protection, battery module installation and fixation and battery box structure reinforcement in the battery box.
Chinese patent publication No. CN207217635U discloses a battery case, which includes: a battery module; the bottom plate comprises a top wall facing the battery module, the bottom plate supports the battery module, and a cooling flow channel and a protection cavity are formed in the bottom plate; the cooling flow passage is closer to the top wall than the protection cavity in a direction perpendicular to the top wall.
The traditional Chinese patent with publication number CN210040305U discloses a water-cooling battery box body, which comprises a bottom plate, wherein a plurality of cooling parts are arranged in the bottom plate, a connecting part is arranged between every two adjacent cooling parts, each cooling part comprises a plurality of cooling flow channels, the front surface and the back surface of the bottom plate are respectively connected with a front panel and a back panel through a first connecting plate and a second connecting plate, a first manifold is formed between the first connecting plate, the bottom plate and the front panel, a second manifold is formed between the second connecting plate and the bottom plate, the first manifold is separated into two parts through a built-in water-stop sheet, the two parts are respectively communicated with a water inlet and a water outlet, and the left side plate and the right side plate are respectively fixed on the left side and the right side of the bottom plate.
The inventor believes that the cooling structure for the battery case in the prior art has poor integrity, is inconvenient to install, and has a point to be improved.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing an integrated water-cooling structure.
According to the utility model, the integrated water cooling structure comprises an integrated water cooling plate, a water inlet pipe and a water outlet pipe; a cooling channel is formed inside the integrated water-cooling plate, the water inlet pipe and the water outlet pipe are respectively installed on the integrated water-cooling plate, the water inlet pipe is communicated with one end of the cooling channel, and the water outlet pipe is communicated with the other end of the cooling channel; the cooling channel comprises a plurality of liquid channels which are arranged adjacently, and any two adjacent liquid channels are communicated in series or in parallel; serial communication: the liquid flow directions in two adjacent liquid channels are opposite; parallel connection and communication: the liquid flow directions in the two adjacent liquid channels are the same.
Preferably, the liquid channels are in series communication: one end of the side wall, close to each other, of each two adjacent liquid channels is provided with a communication port; and the communication ports of the liquid channel and the liquid channels adjacent to the two sides of the liquid channel are respectively positioned at the two ends of the trend of the liquid channel.
Preferably, the parallel communication of the liquid channels: two adjacent liquid passages are provided with communicating ports at two ends of the side wall close to each other, and two adjacent liquid passages are communicated at two ends respectively.
Preferably, the integrated water-cooled panel comprises structural reinforcing ribs distributed at the edges and/or the middle of the integrated water-cooled panel.
Preferably, integrated form water-cooling plate includes first seal baffle and second seal baffle, arbitrary the both ends opening of water-cooling plate equally divide respectively with first seal baffle with second seal baffle fastening connection and sealed.
According to the utility model provides a pair of battery box still includes upper cover and frame roof beam, integrated form water-cooling board the frame roof beam and the upper cover three sets gradually from bottom to top to be formed with the airtight space that is used for installing the battery module, just the inlet tube with the two mouth of pipe of outlet pipe all is located battery box is outside.
Preferably, one or more stiffening beams are arranged in the battery box body, and the stiffening beams are perpendicular to the integrated water-cooling plate; the stiffening beam is respectively and fixedly connected with the integrated water-cooling plate and/or the frame beam, and the stiffening beam is in abutting fit with the upper cover.
Preferably, the side wall of the frame beam is respectively provided with a through hole matched with the water inlet pipe or the water outlet pipe; the water inlet pipe and the water outlet pipe respectively extend upwards from the integrated water cooling plate and penetrate through the corresponding through holes to extend to the outside of the battery box body.
Preferably, the structural reinforcing rib on the integrated water cooling plate is provided with a mounting hole for fixing the battery module, and the mounting hole is not communicated with the cooling channel.
Preferably, the mounting hole comprises a blind hole and/or a through hole.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a battery box adopts integrated water-cooling structure, will cool off, sealed, the structure is strengthened and the battery module installation is fixed etc. and is combined, helps simplifying the structure of battery box, helps promoting the installation convenience of battery box to help promoting the work efficiency and the suitability of battery box, and then help reducing manufacturing and manufacturing cost.
2. The utility model discloses an adopt inside water-cooling board that has the passageway, and be provided with the intercommunication mouth between two adjacent water-cooling boards, help planning the circulating path of coolant at integrated form water-cooling inboard inside to help promoting the radiating effect of integrated form water-cooling board, and then help promoting the work efficiency of battery box.
3. The utility model discloses a water-cooling inboard wall local thickening makes the structure strengthening rib, and simple structure and preparation are convenient, help improving the structural strength of integrated form water-cooling board to help improving the structural strength of battery box, and then help prolonging the life of battery box.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is an explosion diagram of the overall structure of the battery box of the present invention;
fig. 2 is a schematic cross-sectional view of the integrated water-cooling plate according to the present invention;
fig. 3 is a schematic cross-sectional view of the integrated water-cooling plate according to the present invention;
FIG. 4 is a schematic view of a portion A of FIG. 3, which mainly shows a structural view of a structural reinforcing rib and a mounting hole;
FIG. 5 is a schematic view of a portion A of FIG. 3, which mainly shows a structural view of a structural reinforcing rib and a mounting hole;
fig. 6 is a schematic cross-sectional view of the battery case according to the present invention.
Reference numerals:
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will aid those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one of ordinary skill in the art without departing from the spirit of the invention. All of which belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, according to the present invention, an integrated water cooling structure comprises an integrated water cooling plate 6, a water inlet pipe 3 and a water outlet pipe 4. A cooling channel is formed inside the integrated water-cooling plate 6, the water inlet pipe 3 and the water outlet pipe 4 are respectively installed on the integrated water-cooling plate 6, the water inlet pipe 3 is communicated with one end of the cooling channel, and the water outlet pipe 4 is communicated with the other end of the cooling channel. The integrated water-cooling plate 6 comprises a plurality of adjacent liquid channels, and any two adjacent liquid channels are communicated in series or in parallel.
Specifically, the liquid channels are communicated in series, and the liquid flow directions in the two adjacent liquid channels are opposite. When the liquid channels are communicated in parallel, the liquid flow directions in the two adjacent liquid channels are the same. Serial communication of liquid channels: one end of the side wall, close to each other, of each two adjacent liquid channels is provided with a communication port; and the communicating ports of the liquid channel and the liquid channels adjacent to the two sides of the liquid channel are respectively positioned at the two ends of the trend of the liquid channel. Parallel communication of liquid channels: two ends of the side wall, close to each other, of the two adjacent liquid channels are provided with communicating ports, and the two ends of the two adjacent liquid channels are communicated respectively.
The inventor thinks that the cooling channel formed by the series-parallel connection of the liquid channels inside the integrated water-cooling plate 6 of the present application can be integrally formed on the integrated water-cooling plate 6, or can be formed by splicing a plurality of small water-cooling plates with internal channels, and the internal channels of two adjacent small water-cooling plates are communicated in series or in parallel.
More specifically, the integrated water-cooling plate 6 is communicated with the external cooling medium by being communicated with the water inlet pipe 3 and the water outlet pipe 4. External cooling medium flows into the integrated water-cooling plate 6 through the water inlet pipe 3, passes through a cooling channel with a planned trend and flows out of the water outlet pipe 4. The cooling medium circulates inside and outside the integrated water-cooling plate 6, so that the heat is taken away, and the purpose of heat dissipation is achieved. The integrated water cooling structure is simple in structure, small in occupied space, convenient and fast to use and capable of saving manufacturing and using cost.
As shown in fig. 2, the integrated water-cooling plate 6 includes a plurality of water-cooling plates arranged in a transverse direction, and the plurality of water-cooling plates are fixedly connected by welding. Preferably, the joining is performed by friction stir welding. Alternatively, the connection may be made by arc welding or laser welding. The water cooling plate is preferably manufactured by integrally molding an extruded section assembly, a plurality of mutually parallel channels with openings at two ends are arranged in the water cooling plate, and a cooling medium can uniformly flow through the water cooling plate in a large range, so that the heat dissipation efficiency is improved. Preferably, the water cooling plate is made of aluminum alloy materials. Optionally, the water-cooling plate may also be made of magnesium alloy.
And the side walls of any two adjacent water cooling plates, which are close to each other, are provided with communicating ports. The water inlet pipe 3 is connected with the water cooling plate positioned at the starting end of the cooling channel, and the communication port between the water cooling plate and the adjacent water cooling plate is positioned at the other end of the channel trend. The water outlet pipe 4 is connected with a water cooling plate positioned at the tail end of the cooling channel, and a communication port between the water cooling plate and the adjacent water cooling plate is positioned at the other end of the channel trend. The communicating ports of the rest water cooling plates and the adjacent water cooling plates at the two sides are respectively positioned at the two ends of the trend of the channel inside the water cooling plates. The cooling medium can be according to the cooling channel of planning good trend, and even and circulation integrated form water-cooling plate 6 in the biggest scope realizes the inside and outside circulation of integrated form water-cooling plate 6 to improve the radiating efficiency.
As shown in fig. 3, 4 and 5, the integrated water-cooling plate 6 includes structural reinforcing ribs 63, and the structural reinforcing ribs 63 are distributed at the edge and the middle of the integrated water-cooling plate 6. The structural reinforcing ribs 63 are preferably solid structures formed by thickening the local inner walls of the water-cooling plates, so that the structural strength of the integrated water-cooling plates 6 can be improved.
The integrated water cooling plate 6 further comprises a first sealing baffle 61 and a second sealing baffle 62, and the openings at two ends of any water cooling plate are respectively and fixedly connected and sealed with the first sealing baffle 61 and the second sealing baffle 62 in a welding mode. Preferably, the joining is performed by friction stir welding. Alternatively, the connection may be made by arc welding or laser welding. Preferably, the first sealing baffle 61 and the second sealing baffle 62 are made of aluminum alloy materials. Alternatively, the first sealing baffle 61 and the second sealing baffle 62 may also be made of magnesium alloy. The first sealing baffle 61, the second sealing baffle 62 and the integrated water-cooling plate 6 are made of the same type of material, so that better sealing performance can be achieved, and the service life of the integrated water-cooling plate 6 is prolonged.
The integrated water cooling structure can circulate inside and outside the integrated water cooling plate 6 through a cooling medium, so that heat is taken away, and the purpose of heat dissipation is achieved. Through setting up the position of the intercommunication mouth between the adjacent water-cooling board, the circulation coolant in longest route has simplified cooling structure, has improved the radiating efficiency. Still through set up structure strengthening rib 63 in water-cooling board inside, improved integrated form water-cooling board 6's structural strength, prolonged life.
Example 2
As shown in fig. 1, according to the utility model provides a battery box, adopt the integrated water-cooling structure in embodiment 1, still include upper cover 1 and frame roof beam 2. Integrated form water-cooling board 6, frame roof beam 2 and 1 three of upper cover set gradually from bottom to top to be formed with the airtight space that is used for installing the battery module, and the mouth of pipe of the two of inlet tube 3 and outlet pipe 4 all is located the outside.
When the battery module works, an external cooling medium flows into the integrated water-cooling plate 6 through the water inlet pipe 3 and flows out of the water outlet pipe 4 through the well-planned cooling channel. The cooling medium circulates inside the integrated water-cooling plate 6 and outside the battery box body, so that the heat in the battery box body is taken away, and the purpose of heat dissipation is achieved. The battery box body is simple in structure, easy to install and convenient and fast to use, and manufacturing and using cost can be saved.
The side walls of the frame beams 2 are respectively provided with through holes matched with the water inlet pipe 3 or the water outlet pipe 4. The inlet tube 3 and the outlet pipe 4 are both arranged on one side of the integrated water cooling plate 6 close to the first sealing baffle 61, the inlet tube 3 and the outlet pipe 4 are respectively extended outwards from the integrated water cooling plate 6 and penetrate through the corresponding through hole in the frame beam 2 to extend to the outside of the battery box body, and the inlet tube 3 and the outlet pipe 4 are respectively fastened and connected with the through hole in the frame beam 2 and are sealed after being penetrated out.
As shown in fig. 6, a plurality of reinforcing beams 5 are arranged in the battery box body, and the reinforcing beams 5 are arranged perpendicular to the integrated water-cooling plate 6. The reinforcing beam 5 is respectively and fixedly connected with the integrated water cooling plate 6 and the frame beam 2, so that the structural strength of the box body can be improved. The stiffening beam 5 is the cross and distributes in the battery box, can separate the battery module for keep the certain distance between the battery module, help carrying on spacingly to the battery module, make the battery module more stable, still help the battery module heat dissipation. In addition, the reinforcing beam 5 also separates the water inlet pipe 3 and the water outlet pipe 4, so that the water inlet pipe 3 and the water outlet pipe 4 are in separate spaces and do not interfere with the battery module. When the upper cover 1 covers the frame beam 2 tightly, the reinforcing beam 5 is tightly matched with the upper cover 1 in a propping manner, and the structural strength of the box body is further improved.
As shown in fig. 4 and 5, the structural reinforcing ribs 63 of the integrated water-cooling plate are provided with mounting holes 64 for fixing the battery modules, and the mounting holes 64 are not communicated with the cooling channel. The mounting holes 64 include blind holes to ensure the sealing of the cooling channel and the battery case.
The integrated water cooling structure integrates the cooling system, the sealing protection, the battery module installation and fixation and the box structure strengthening effect of the battery box body, simplifies the battery box body structure, occupies small space, is easy to install and convenient to use, and can save the manufacturing and using cost.
Examples of variations
Based on embodiment 2, the mounting holes 64 on the structural reinforcing ribs 63 on the integrated water cooling plate comprise through holes, and the thickness of the structural reinforcing ribs 63 is consistent with that of the water cooling plate at this time, so that the through holes are not communicated with the cooling channel. The battery module passes through the fastener and the through-hole is installed on the integrated water-cooling board to use sealed glue to seal the box inside.
Principle of operation
When the battery module works, external cooling medium flows into the integrated water-cooling plate 6 through the water inlet pipe 3, passes through the cooling channel and flows out of the water outlet pipe 4. The cooling medium circulates inside the integrated water-cooling plate 6 and outside the battery box body, so that the heat in the battery box body is taken away, and the purpose of heat dissipation is achieved. Adopt integrated water-cooling structure through the battery box, will cool off, sealed, the structure is strengthened and battery module installation effect such as fixed combines together, helps simplifying the structure of battery box, helps promoting the installation convenience of battery box to help promoting the work efficiency and the suitability of battery box, and then help reducing manufacturing and manufacturing cost.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (9)
1. An integrated water cooling structure is characterized by comprising an integrated water cooling plate (6), a water inlet pipe (3) and a water outlet pipe (4);
a cooling channel is formed inside the integrated water-cooling plate (6), the water inlet pipe (3) and the water outlet pipe (4) are respectively installed on the integrated water-cooling plate (6), the water inlet pipe (3) is communicated with one end of the cooling channel, and the water outlet pipe (4) is communicated with the other end of the cooling channel;
the cooling channel comprises a plurality of liquid channels which are adjacently arranged, and any two adjacent liquid channels are communicated in series or in parallel;
serial communication: the liquid flow directions in the two adjacent liquid channels are opposite;
parallel connection and communication: the liquid flow directions in the two adjacent liquid channels are the same;
the integrated water-cooling plate (6) comprises structural reinforcing ribs (63), and the structural reinforcing ribs (63) are distributed at the edge and/or the middle of the integrated water-cooling plate (6).
2. The integrated water cooling structure of claim 1, wherein the liquid channels are in series communication: one end of the side wall, close to each other, of each two adjacent liquid channels is provided with a communication port;
and the communicating ports of the liquid channel and the liquid channels adjacent to the two sides of the liquid channel are respectively positioned at the two ends of the trend of the liquid channel.
3. The integrated water cooling structure of claim 1, wherein the liquid channels are in parallel communication: two adjacent liquid passages are provided with communicating ports at two ends of the side wall close to each other, and two adjacent liquid passages are communicated at two ends respectively.
4. The integrated water cooling structure according to claim 1, wherein the integrated water cooling plate (6) comprises a first sealing baffle (61) and a second sealing baffle (62), and both ends of any one of the liquid channels are tightly connected and sealed with the first sealing baffle (61) and the second sealing baffle (62), respectively.
5. The utility model provides a battery box, characterized in that adopts any one of claim 1-4 integrated water-cooling structure, still includes upper cover (1) and frame roof beam (2), integrated form water-cooling board (6), frame roof beam (2) and upper cover (1) three sets gradually from bottom to top to be formed with the airtight space that is used for installing the battery module, just inlet tube (3) with the mouth of pipe of the two of outlet pipe (4) all is located the battery box is outside.
6. The battery box according to claim 5, characterized in that one or more reinforcing beams (5) are arranged in the battery box, the reinforcing beams (5) being arranged perpendicular to the integrated water-cooled plate (6);
the reinforcing beam (5) is respectively and tightly connected with the integrated water-cooling plate (6) and/or the frame beam (2), and the reinforcing beam (5) is tightly matched with the upper cover (1).
7. The battery box body as claimed in claim 5, wherein the side wall of the frame beam (2) is respectively provided with a through hole matched with the water inlet pipe (3) or the water outlet pipe (4);
the water inlet pipe (3) and the water outlet pipe (4) respectively extend upwards from the integrated water cooling plate (6) and penetrate through the corresponding through holes to extend to the outside of the battery box body.
8. The battery box body as claimed in claim 5, wherein the structural reinforcing ribs (63) on the integrated water-cooling plate are provided with mounting holes (64) for fixing the battery modules, and the mounting holes (64) are not communicated with the cooling channel.
9. The battery case according to claim 8, wherein the mounting hole (64) comprises a blind hole and/or a through hole.
Priority Applications (1)
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CN202123371724.1U CN217641504U (en) | 2021-12-29 | 2021-12-29 | Integrated water-cooling structure and battery box |
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CN202123371724.1U CN217641504U (en) | 2021-12-29 | 2021-12-29 | Integrated water-cooling structure and battery box |
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CN217641504U true CN217641504U (en) | 2022-10-21 |
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