CN121149499A - A water-cooled structure for an electric vehicle battery pack - Google Patents
A water-cooled structure for an electric vehicle battery packInfo
- Publication number
- CN121149499A CN121149499A CN202511591216.4A CN202511591216A CN121149499A CN 121149499 A CN121149499 A CN 121149499A CN 202511591216 A CN202511591216 A CN 202511591216A CN 121149499 A CN121149499 A CN 121149499A
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- Prior art keywords
- groove
- block
- battery pack
- water
- wall
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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 invention relates to the technical field of battery packs of new energy automobiles and discloses a water cooling structure of a battery pack of an electric automobile, which comprises a shell, wherein two battery packs are installed in the shell, a support frame is fixedly connected to the lower side of the inner wall of the shell, a water cooling plate is installed at the top end of the support frame, the top end of the water cooling plate is attached to the bottom end of the battery pack, a plurality of placing grooves are formed in the inner wall of the shell, clamping grooves are formed in the left side and the right side of the inner wall of the placing grooves, clamping blocks are clamped in the clamping grooves, and the battery pack is subjected to modularized design by utilizing a limiting frame, so that the heat dissipation grooves in the limiting frame can intensively dissipate heat at the position with higher temperature of the battery pack, the whole temperature of the battery pack is balanced, the service life of the battery pack is better, the water cooling plate is replaced conveniently, the cost of a user is reduced, and the use economy is better.
Description
Technical Field
The invention relates to the technical field of new energy automobile battery packs, in particular to a water cooling structure of an electric automobile battery pack.
Background
The new energy automobile is an automobile which adopts unconventional automobile fuel as a power source and integrates the advanced technology in the aspects of power control and driving of the automobile, the formed technical principle is advanced, the novel technology and the novel structure are provided, the battery pack of the new energy automobile is widely applied to the new energy hybrid automobile, however, the battery is serious in heating problem due to high charge and discharge multiplying power of the battery pack of the hybrid automobile, and the normal natural cooling can not meet the requirements, so that the water cooling structure is arranged inside the installation shell of the battery pack for heat dissipation. Through retrieving, the battery package water-cooling structure among the prior art generally by the cooling plate assembly, cover cooling water pump, antifreeze, refrigerant, refrigerator oil and the control unit, realize the circulation flow of coolant jointly, start when battery package temperature exceeded the default, adjust refrigerant flow through electronic expansion valve, combine compressor rotational speed control to realize accurate cooling to the appointed stable stop of setting. However, when in actual use, the water cooling plate is generally directly attached to the outer side of the bottom shell of the battery module, or is arranged on two sides of the battery module, so that the area of the battery pack, which is far away from the water cooling plate, is relatively high in temperature due to heat dissipation lag, the temperature gradient is generated in the battery module, the internal resistance of the battery cell is increased in a high-temperature area, the available capacity is reduced, the cycle life is shortened, the activity of the low-temperature area is insufficient, and the utilization rate of the whole pack of actual capacity is reduced.
Disclosure of Invention
The invention aims to provide a water cooling structure of a battery pack of an electric automobile, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the battery pack water cooling structure of the electric automobile comprises a shell, at least two battery packs are arranged in the shell, a support frame is fixedly connected to the lower side of the inner wall of the shell, a water cooling plate is arranged at the top end of the support frame, the top end of the water cooling plate is attached to the bottom end of the battery pack, a plurality of placing grooves are formed in the inner wall of the shell, clamping grooves are formed in the left side and the right side of the inner wall of the placing grooves, clamping blocks are clamped in the clamping grooves, a limiting frame is connected to the outer portion of the clamping blocks in a sliding mode, a connecting block is connected to the outer portion of the limiting frame in a sliding mode, a radiating groove is formed in the inner portion of the limiting frame and is of a chute structure, a connecting pipe is detachably connected to the inner portion of the radiating groove, and the connecting pipe is communicated with the water cooling plate.
Preferably, the inside of connecting block has been seted up the intercommunication groove, the seal groove has been seted up to the inner wall upside of intercommunication groove, the mounting groove has been seted up to the inner wall downside of intercommunication groove, the inner wall fixedly connected with elastic component one of mounting groove, the top fixedly connected with jam piece of elastic component one, the top fixedly connected with sealing block of jam piece, the top of jam piece is laminated mutually with the bottom of connecting pipe.
Preferably, a plurality of limiting grooves are formed in the lower side of the inner wall of the limiting frame, one end, away from the clamping groove, of the clamping block is fixedly connected with an extrusion block, one end, away from the clamping block, of the extrusion block is fixedly connected with a pull rope, an elastic piece II is sleeved on the outer portion of the pull rope, and the top end of the pull rope is fixedly connected with a pull block.
Preferably, the clamping block slides with the inside of the connecting block, and the connecting block is in sliding connection with the inside of the placing groove.
Preferably, the two sides of the heat dissipation groove are both in a W-shaped groove structure, the end part of the connecting pipe is provided with a pipe orifice, and the inner wall of the heat dissipation groove is provided with a plurality of air inlets.
Preferably, the communication groove is communicated with the pipe orifice, the connecting pipe is slidably connected in the communication groove, the blocking block is slidably connected in the communication groove, and the sealing block is attached to the inner wall of the sealing groove.
Preferably, the clamping block is slidably connected in the limiting groove, and the extrusion block is slidably connected in the limiting groove.
Preferably, two sliding grooves are formed in the upper side of the limiting frame, one side of the pull rope is slidably connected in the limiting groove, and the other side of the pull rope is slidably connected in the sliding groove.
Preferably, one end of the second elastic piece is fixedly connected to the inner wall of the limiting groove, and the other end of the second elastic piece is fixedly connected to the extrusion block.
Preferably, the pull block is in sliding connection with the inside of the chute, and two buckling grooves are formed in the top end of the pull block.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, the limiting frame is selectively arranged in the heat dissipation placing groove according to the requirement, so that the use convenience and the use flexibility are improved, the limiting frame is used for limiting the battery pack, the mounting stability is ensured, and the side of the battery pack can be dissipated without the heat dissipation groove of the limiting frame. 2. According to the invention, the blocking block is utilized to enable the coolant in the water-cooling radiating component of the battery pack to flow into the connecting pipe in the radiating groove, so that the water cooling is matched with the air cooling to radiate simultaneously, and the radiating effect is improved.
3. According to the invention, the heat dissipation groove is in a special shape, so that the wind speed of a wider position of the heat dissipation groove is slower, the wind speed of a narrower position of the heat dissipation groove is faster, and then the corresponding heat dissipation groove can be selected according to a position with higher temperature of the battery pack, and further heat dissipation can be performed pertinently, so that the heat dissipation effect is better.
4. According to the invention, the connecting pipe is detachably connected to the inside of the heat dissipation groove, and the air circulated by the heat dissipation groove can blow the cooler air outside the connecting pipe, so that the water cooling efficiency of the connecting pipe is ensured, and the air cooling quality is improved. 5. According to the invention, the battery pack is subjected to modularized design through the shell, and the limiting frame is utilized to limit the battery pack, so that the heat dissipation groove in the limiting frame can intensively dissipate heat at a position with higher temperature of the battery pack, the whole temperature of the battery pack is balanced, the service life of the battery pack is longer, the water cooling plate is conveniently replaced, the cost of a user is reduced, and the use economy is better.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view of the structure of FIG. 2 at A-A in accordance with the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 3B in accordance with the present invention;
FIG. 6 is a cross-sectional view of the structure of FIG. 2 at B-B in accordance with the present invention;
FIG. 7 is a schematic view of a limiting frame according to the present invention;
FIG. 8 is a cross-sectional view of the structure of FIG. 7 at C-C in accordance with the present invention;
FIG. 9 is an enlarged view of the structure of FIG. 8C in accordance with the present invention;
FIG. 10 is a cross-sectional view of the structure of FIG. 7 at D-D in accordance with the present invention;
Fig. 11 is an enlarged view of the structure of fig. 10D according to the present invention.
In the figure, 1, a shell; 2, a battery pack, 3, a placing groove, 4, a clamping groove, 5, a clamping block, 6, a limiting frame, 7, a connecting block, 8, a heat dissipation groove, 9, a connecting pipe, 10, a pipe orifice, 11, a communicating groove, 12, a supporting frame, 13, a water cooling plate, 14, a sliding groove, 15, a mounting groove, 16, an elastic piece I, 17, a blocking block, 18, a sealing block, 19, a sealing groove, 20, a limiting groove, 21, an extrusion block, 22, a pull rope, 23, an elastic piece II, 24, a pulling block, 25, a buckling groove, 26 and an air inlet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.
Embodiment one: referring to fig. 1 to 11, the present invention provides a technical solution: the utility model provides an electric automobile battery package water-cooling structure, including casing 1, casing 1's internally mounted has two battery packages 2, casing 1 provides the installation space for battery package 2, the inner wall downside fixedly connected with support frame 12 of casing 1, water-cooling plate 13 is installed on the top of support frame 12, support frame 12 is latticed design, and then support water-cooling plate 13 when guaranteeing downside ventilation, the top of water-cooling plate 13 is laminated with the bottom of battery package 2, water-cooling plate 13 is used for cooling support frame 12, a plurality of standing grooves 3 have been seted up to the inner wall of casing 1, draw-in groove 4 has all been seted up to the inner wall left and right sides of standing groove 3, the inside joint of draw-in groove 4 has fixture block 5, the outside sliding connection of fixture block 5 has spacing frame 6, spacing frame 6 sliding connection is in the inside of standing groove 3, make standing groove 3 can carry out the spacing to spacing frame 6, and when spacing frame 6 is not installed to the standing groove 3 inside, the outside sliding connection of spacing frame 6 has connecting block 7, fixture 5 and the inside looks slip of connecting block 7, 7 sliding connection at the inside of standing groove 7 makes the inside of spacing groove 7 can be realized at the spacing groove 8 and the spacing groove 8 of spacing groove, the spacing groove 8, the position is realized at the spacing groove 8, the corresponding air speed is realized at the spacing groove 8, the position is more than the position of the cooling groove 8, the cooling groove is realized by the position is more than the position is fixed, and is more than the position is 8, and then can pertinently dispel the heat for the radiating effect is better, and the inside of heat dissipation groove 8 can be dismantled and is connected with connecting pipe 9, and connecting pipe 9 is used for carrying out the water-cooling to battery package 2, and can cool down the inside air of heat dissipation groove 8, makes the effect of forced air cooling better, and mouth of pipe 10 has been seted up to the tip of connecting pipe 9, and a plurality of air inlets 26 have been seted up to the inner wall of heat dissipation groove 8, and air inlet 26 circulates the inside of heat dissipation groove 8, and connecting pipe 9 is linked together with water-cooling plate 13, makes the inside coolant liquid of water-cooling plate 13 circulate in the inside of connecting pipe 9.
When the battery pack 2 needs to be cooled, the limiting frame 6 slides into the placing groove 3, so that the limiting frame 6 slides into the connecting block 7, the connecting block 7 is limited, the two clamping blocks 5 move outwards, the clamping blocks 5 penetrate through the connecting block 7 and are clamped with the inside of the clamping groove 4, the limiting frame 6 and the connecting block 7 are stably limited in the placing groove 3, the water cooling plate 13 is stably arranged in the shell 1, the connecting pipe 9 slides into the connecting block 7, the connecting pipe 9 is communicated with the water cooling plate 13, cooling liquid in the water cooling plate 13 enters the connecting pipe 9, the connecting pipe 9 is cooled on the upper side of the battery pack 2, the cooling groove 8 is matched, the cooling effect at the higher position is better, the whole temperature of the battery pack 2 is balanced, the service life of the battery pack 2 is longer, and the water cooling plate 13 can be conveniently replaced, so that the cost of a user is reduced, and the economical efficiency is better.
In the second embodiment, on the basis of the first embodiment, in order to realize automatic blocking of the communicating groove 11 by the blocking block 17, the communicating groove 11 is formed in the connecting block 7, the communicating groove 11 is communicated with the pipe orifice 10, the connecting pipe 9 is slidably connected in the communicating groove 11, the communicating groove 11 plays a limiting role on the connecting pipe 9, the connecting pipe 9 is enabled to slide smoothly, the sealing groove 19 is formed in the upper side of the inner wall of the communicating groove 11, the mounting groove 15 is formed in the lower side of the inner wall of the communicating groove 11, the elastic piece 16 is fixedly connected to the inner wall of the mounting groove 15, the mounting groove 15 provides a mounting space for the elastic piece 16, the top end of the elastic piece 16 is fixedly connected with the blocking block 17, the blocking block 17 is slidably connected in the communicating groove 11, the communicating groove 11 plays a limiting role on the blocking block 17, the top end of the blocking block 17 is fixedly connected with the sealing block 18, the sealing block 18 is attached to the inner wall of the sealing groove 19, the cooling liquid in the water cooling plate 13 cannot enter the communicating groove 11, and the top end of the blocking block 17 is enabled to move downwards with the connecting pipe 9.
When the limit frame 6 slides with the connecting block 7, the connecting pipe 9 slides into the interior of the connecting groove 11, so that the connecting pipe 9 pushes the blocking block 17 to move downwards, the blocking block 17 drives the sealing block 18 to separate from the interior of the sealing groove 19, the blocking block 17 is pressed to deform the first elastic element 16, the blocking block 17 is prevented from blocking the inlet of the connecting groove 11, the pipe orifice 10 is communicated with the connecting groove 11, the cooling liquid in the water cooling plate 13 enters the interior of the connecting pipe 9 through the pipe orifice 10, otherwise, when the connecting pipe 9 separates from the interior of the connecting groove 11, the first elastic element 16 is subjected to reset motion, the first elastic element 16 is pushed to move upwards, the blocking block 17 is pushed to push the sealing block 18 to be attached to the interior of the sealing groove 19, the connecting groove 11 is prevented from being communicated with the outside, the blocking block 17 is prevented from blocking the connecting groove 11, and the cooling liquid in the water cooling plate 13 is prevented from flowing into the interior of the connecting groove 11.
In the third embodiment, on the basis of the second embodiment, in order to realize convenient pulling of the clamping block 5, a plurality of limiting grooves 20 are formed in the lower side of the inner wall of the limiting frame 6, the clamping block 5 is slidably connected in the limiting grooves 20, the limiting grooves 20 provide a moving space for the clamping block 5, one end of the clamping block 5, which is far away from the clamping groove 4, is fixedly connected with the extrusion block 21, the extrusion block 21 is slidably connected in the limiting grooves 20, the limiting grooves 20 play a limiting role on the extrusion block 21, so that the extrusion block 21 can smoothly slide, one end of the extrusion block 21, which is far away from the clamping block 5, is fixedly connected with a pull rope 22, the pull rope 22 is used for pulling the extrusion block 21 to move, two sliding grooves 14 are formed in the upper side of the limiting frame 6, one side of the pull rope 22 is slidably connected in the limiting grooves 20, the other side of the pull rope 22 is slidably connected in the sliding grooves 14, the limiting grooves 20 and the sliding grooves 14 play a limiting role on the sliding grooves 22, so that the pull rope 22 can smoothly slide, the outer part of the pull rope 22 is sleeved with the elastic piece 23, one end of the elastic piece 23 is fixedly connected in the inner wall of the limiting grooves 20, the other end of the elastic piece 23 is fixedly connected with the inner wall of the limiting grooves 23, the other end of the pull block 23 is fixedly connected with the sliding blocks 24, the other end of the elastic piece 23 is fixedly connected with the sliding blocks 24, and the sliding blocks 24 are movably in the sliding blocks 24, and the sliding blocks 24 are conveniently and the sliding blocks 24 are movably connected with the sliding blocks 24, and the sliding blocks 24 are used in the sliding groove 24, and the sliding blocks 24 are conveniently are used, and the sliding block 24 are used in the sliding block 24.
When the clamping block 5 needs to be pulled, the pulling block 24 is pulled upwards through the buckling groove 25 to move upwards, the clamping groove 4 drives one end of the pull rope 22 to move upwards, the other end of the pull rope 22 is pulled to move inwards by the extrusion block 21, the extrusion block 21 is enabled to extrude the elastic piece II 23 to deform, the extrusion block 21 is enabled to drive the clamping block 5 to slide into the limiting groove 20, after the pulling block 24 is attached to the inner wall of the sliding groove 14, the pulling block 24 is pulled upwards continuously, the limiting frame 6 is pulled to be separated from the inner part of the placing groove 3, otherwise, the pulling block 24 is released, the elastic piece II 23 is enabled to perform reset motion, and the elastic piece II 23 is enabled to push the extrusion block 21 to move outwards, and the extrusion block 21 is enabled to push the clamping block 5 to penetrate through the connecting block 7 and be clamped with the inner part of the clamping groove 4.
An embodiment IV provides a use method of the water cooling structure of the battery pack of the electric automobile on the basis of the embodiment III, comprising the following steps:
When the limit frame 6 is required to be installed, the support frame 12 and the water cooling plate 13 are sequentially slid into the shell 1, then the battery pack 2 is attached to the top end of the water cooling plate 13, so that the water cooling plate 13 can cool the battery pack 2, then the pull block 24 is pulled upwards through the buckling groove 25 to move upwards, the clamping groove 4 can drive one end of the pull rope 22 to move upwards, the other end of the pull rope 22 can pull the extrusion block 21 to move inwards, the extrusion block 21 can extrude the elastic piece II 23 to deform, the extrusion block 21 can drive the clamping block 5 to slide into the limit groove 20, and when the pull block 24 is attached to the inner wall of the sliding groove 14, the pull block 24 is pulled upwards, so that the pull block 24 can pull the limit frame 6 to be separated from the inside of the placing groove 3, and the limit frame 6 is slid into the inside of the placing groove 3;
After the bottom end of the limit frame 6 is attached to the connecting block 7, the pulling block 24 is loosened, so that the elastic piece II 23 is reset, the elastic piece II 23 pushes the extrusion block 21 to move outwards, the extrusion block 21 pushes the clamping block 5 to penetrate through the connecting block 7 and be clamped with the inside of the clamping groove 4, and the water cooling plate 13 and the limit frame 6 are stably arranged in the shell 1;
Step three, the connecting pipe 9 is slid into the communicating groove 11, so that the connecting pipe 9 can push the blocking block 17 to move downwards, the blocking block 17 can drive the sealing block 18 to separate from the inside of the sealing groove 19, the blocking block 17 can squeeze the elastic piece I16 to deform, the blocking block 17 can not block the inlet of the communicating groove 11 any more, the pipe orifice 10 can be communicated with the communicating groove 11, the cooling liquid in the water cooling plate 13 can enter the inside of the connecting pipe 9 through the pipe orifice 10, the upper side of the battery pack 2 can be cooled, and the external air can enter the inside of the heat dissipation groove 8 through the air inlet 26, so that the flow velocity of the air at the narrower part in the heat dissipation groove 8 is increased, the temperature of the battery pack 2 can be quickly reduced at the higher part of the battery pack 2, the whole temperature of the battery pack 2 is uniform, the cooling effect is good, and the service life of the battery pack 2 is good;
And step four, by pulling the pull block 24 upwards, the clamping block 5 is separated from the clamping groove 4 and the inside of the connecting block 7 and slides into the inside of the limiting groove 20, so that the limiting frame 6 is not limited any more, the limiting frame 6 is slid upwards, the connecting pipe 9 is driven to move upwards, when the connecting pipe 9 is separated from the inside of the connecting groove 11, the elastic piece I16 is reset, the elastic piece I16 is pushed to move the blocking block 17 upwards, the blocking block 17 is pushed to be attached to the inside of the sealing block 18 and the sealing groove 19, the connecting groove 11 is not communicated with the outside any more, the blocking block 17 is blocked up the connecting groove 11, and therefore cooling liquid in the water cooling plate 13 is not circulated into the inside of the connecting groove 11 any more, the sealing performance is high, and the limiting frame 6 and the water cooling plate 13 can be replaced conveniently.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511591216.4A CN121149499B (en) | 2025-11-03 | 2025-11-03 | A water-cooled structure for an electric vehicle battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511591216.4A CN121149499B (en) | 2025-11-03 | 2025-11-03 | A water-cooled structure for an electric vehicle battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN121149499A true CN121149499A (en) | 2025-12-16 |
| CN121149499B CN121149499B (en) | 2026-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202511591216.4A Active CN121149499B (en) | 2025-11-03 | 2025-11-03 | A water-cooled structure for an electric vehicle battery pack |
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| CN (1) | CN121149499B (en) |
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| CN223253944U (en) * | 2024-07-23 | 2025-08-22 | 唐山旺发压铸有限公司 | Feeding and pushing structure for processing automobile telescopic pedal |
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| CN105514318A (en) * | 2016-02-01 | 2016-04-20 | 上海鹰峰电子科技有限公司 | Compound superconducting flat heat pipe water cooling system for battery pack |
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Also Published As
| Publication number | Publication date |
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| CN121149499B (en) | 2026-04-28 |
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