CN211150730U - Liquid cooling plate for fin type power battery pack - Google Patents
Liquid cooling plate for fin type power battery pack Download PDFInfo
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- CN211150730U CN211150730U CN202020140925.7U CN202020140925U CN211150730U CN 211150730 U CN211150730 U CN 211150730U CN 202020140925 U CN202020140925 U CN 202020140925U CN 211150730 U CN211150730 U CN 211150730U
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- water inlet
- fin
- water outlet
- aluminum plate
- frame
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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 fin type power battery is wrapped with a liquid cooling plate. The utility model relates to a power battery technical field especially relates to fin formula power battery wraps and uses liquid cooling board. The liquid cooling plate for the fin type power battery pack is compact and reasonable in structure, simple and convenient to machine, high in overall strength and high in heat exchange efficiency. The aluminum plate comprises an upper aluminum plate, a lower aluminum plate, a water inlet fin, a water outlet fin and a frame; the frame is rectangular, and a sealed cooling cavity is formed by an upper aluminum plate fixedly arranged at the top in a sealing way and a lower aluminum plate fixedly arranged at the bottom in a sealing way; the middle part of the frame is provided with a horizontally fixed separation strip which divides the cooling cavity into a water inlet cavity and a water outlet cavity; one end of the separation strip is fixedly connected with the inner side surface of the frame in a sealing way, and an opening for communicating the water inlet cavity with the water outlet cavity is arranged between the other end of the separation strip and the inner side surface of the frame; the utility model has the characteristics of compact structure is reasonable, processing is simple and convenient, bulk strength is high, heat exchange efficiency is high.
Description
Technical Field
The utility model relates to a power battery technical field especially relates to fin formula power battery wraps and uses liquid cooling board.
Background
The battery pack is used as an energy storage element of the electric automobile, a plurality of single batteries with similar capacity are combined together in a series connection or parallel connection mode, the capacity of the battery pack depends on the capacity value of the single batteries connected in parallel or in series in the battery pack, and the performance of the electric automobile is directly influenced.
The lithium ion battery generates reaction heat and joule heat in the charging and discharging process, the temperature of the lithium ion battery can rise, and particularly the temperature can rise to about 15 ℃ under the conditions of large current and high power operation. The optimum working temperature range of the lithium ion battery is 10-35 ℃, the cycle life of the lithium ion battery is greatly reduced when the temperature of the battery exceeds 50 ℃ for a long time, and the further increase of the temperature can cause the safety accident of the battery. Therefore, heat dissipation issues need to be considered when designing lithium ion battery packs.
With the increase of the electric quantity and the endurance mileage of the electric automobile, higher requirements are put forward on the heat dissipation of the battery pack. In the normal use process of the power battery, generally, the temperature of the central part is higher, the temperature of the periphery of the battery is relatively lower, and a reasonable structure is adopted to promote the temperature uniformity of the battery. The liquid cooling heat management is to take away the heat generated by the battery pack through the flowing of the circulating cooling liquid to achieve the purpose of cooling. The design of the existing liquid cooling plate is complex, the processing time is long, the uniformity of heat dissipation is not good enough, and the temperature uniformity of the battery pack is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to above problem, provide a fin formula power battery package is with liquid cooling board that compact structure is reasonable, processing is simple and convenient, the bulk strength is high, heat exchange efficiency is high.
The technical scheme of the utility model is that: the aluminum plate comprises an upper aluminum plate, a lower aluminum plate, a water inlet fin, a water outlet fin and a frame;
the frame is rectangular, and a sealed cooling cavity is formed by an upper aluminum plate fixedly arranged at the top in a sealing way and a lower aluminum plate fixedly arranged at the bottom in a sealing way;
the middle part of the frame is provided with a horizontally fixed separation strip which divides the cooling cavity into a water inlet cavity and a water outlet cavity;
one end of the separation strip is fixedly connected with the inner side surface of the frame in a sealing way, and an opening for communicating the water inlet cavity with the water outlet cavity is arranged between the other end of the separation strip and the inner side surface of the frame;
the water inlet fin is fixedly arranged in the water inlet cavity, the top of the water inlet fin is fixedly connected with the upper aluminum plate, and the bottom of the water inlet fin is fixedly connected with the lower aluminum plate;
the water outlet fins are fixedly arranged in the water outlet cavity, the top of the water outlet fins is fixedly connected with the upper aluminum plate, and the bottom of the water outlet fins is fixedly connected with the lower aluminum plate;
the aluminum plate is provided with a water inlet connector communicated with the water inlet cavity, and the aluminum plate is provided with a water outlet connector communicated with the water outlet cavity.
A first confluence part is arranged between the water inlet of the water inlet fin and the frame; the width of the first confluence part is gradually reduced from one side close to the water inlet joint to one side of the direction of the separation strip.
A second confluence part is arranged between the water outlet of the water inlet fin and the frame; the width of the second bus part is gradually increased towards the direction of the separating bar.
A third confluence part is arranged between the water inlet of the water outlet fin and the frame; the width of the third bus part is gradually increased towards the direction of the separating bar.
A fourth confluence part is arranged between the water inlet of the water outlet fin and the frame; the width of the confluence part IV is gradually reduced towards the direction of the separation bars.
The water inlet fin comprises a plurality of flow channel groups which are fixedly connected in sequence; the runner group comprises a U-shaped groove pipe and an N-shaped groove pipe which are fixedly connected with each other.
The utility model comprises an upper aluminum plate, a lower aluminum plate, a water inlet fin, a water outlet fin and a frame; the frame is rectangular, and a sealed cooling cavity is formed by an upper aluminum plate fixedly arranged at the top in a sealing way and a lower aluminum plate fixedly arranged at the bottom in a sealing way; the middle part of the frame is provided with a horizontally fixed separation strip which divides the cooling cavity into a water inlet cavity and a water outlet cavity; the battery pack is fixedly arranged on the upper aluminum plate, cold water enters the first confluence part of the water inlet cavity from the water inlet connector, flows into the second confluence part through the water inlet fins, enters the third confluence part from the opening between the separation strip and the frame, flows into the fourth confluence part through the water outlet fins, and finally flows out through the water outlet connector. The cooling chamber in the present case has promoted heat exchange efficiency and liquid cooling plate bulk strength through the fin of intaking and the fin of going out water, has improved life. The utility model has the characteristics of compact structure is reasonable, processing is simple and convenient, bulk strength is high, heat exchange efficiency is high.
Drawings
Figure 1 is a schematic structural view of the present invention,
figure 2 is a schematic structural view of the water inlet fin of figure 1,
figure 3 is a schematic view of the structure of the bezel of figure 1,
figure 4 is a schematic view of the front view structure of the utility model,
FIG. 5 is a schematic view of the structure of FIG. 4;
in the figure, 1 is an upper aluminum plate, 2 is a lower aluminum plate, 3 is a water inlet fin, 31 is a U-shaped groove pipe, 32 is an N-shaped groove pipe, 4 is a water outlet fin, 5 is a frame, 51 is a separating strip, 6 is a water inlet cavity, 61 is a confluence part I, 62 is a confluence part II, 7 is a water outlet cavity, 71 is a confluence part III, 72 is a confluence part IV, 8 is a water inlet connector, and 9 is a water outlet connector.
Detailed Description
The utility model is shown in figures 1-5 and comprises an upper aluminum plate 1, a lower aluminum plate 2, a water inlet fin 3, a water outlet fin 4 and a frame 5;
the frame 5 is rectangular, and a sealed cooling cavity is formed by an upper aluminum plate 1 with the top fixedly sealed and a lower aluminum plate 2 with the bottom fixedly sealed;
a horizontally and fixedly arranged separation strip 51 is arranged in the middle of the frame 5 to separate the cooling cavity into a water inlet cavity 6 and a water outlet cavity 7;
one end of the separation strip 51 is fixedly connected with the inner side surface of the frame 5 in a sealing way, and an opening for communicating the water inlet cavity 6 with the water outlet cavity 7 is arranged between the other end of the separation strip and the inner side surface of the frame 5;
the water inlet fins 3 are fixedly arranged in the water inlet cavity 6, the top parts of the water inlet fins are fixedly connected with the upper aluminum plate 1, and the bottom parts of the water inlet fins are fixedly connected with the lower aluminum plate 2;
the water outlet fins 4 are fixedly arranged in the water outlet cavity 7, the top parts of the water outlet fins are fixedly connected with the upper aluminum plate 1, and the bottom parts of the water outlet fins are fixedly connected with the lower aluminum plate 2;
go up to be equipped with on aluminum plate 1 with the water inlet connector 8 of intake antrum 6 intercommunication, go up to be equipped with on aluminum plate 1 with go out the water swivel 9 of water cavity 7 intercommunication.
The battery pack is fixedly arranged on the upper aluminum plate 1, cold water enters the first confluence part 61 of the water inlet cavity 6 from the water inlet connector 8, flows into the second confluence part 62 through the water inlet fin 3, enters the third confluence part 71 from an opening between the separating strip 51 and the frame 5, and flows into the fourth confluence part 72 through the water outlet fin 4, and finally flows out through the water outlet connector 9. The cooling chamber in the present case has promoted heat exchange efficiency and liquid cooling plate bulk strength through water inlet fin 3 and water outlet fin 4, has improved life.
A first confluence part 61 is arranged between the water inlet of the water inlet fin 3 and the frame 5; the width of the first converging portion 61 gradually decreases from the side close to the water inlet joint 8 to the side in the direction of the separating bar 51.
A second confluence part 62 is arranged between the water outlet of the water inlet fin 3 and the frame 5; the width of the second bus bar 62 gradually increases toward the direction of the separating bar 51.
Water is fed from the position of the water inlet fin 3, which is close to the water inlet joint 8, fast, and water is fed from the position far away from the water inlet joint 8 slowly; in order to further improve the uniformity of flow in the flow channel and improve the heat dissipation performance; the distance between the position of the water outlet of the water inlet fin 3, which is far away from the separating strip 51, and the inner side wall of the frame 5 is short, and the distance between the position of the water outlet of the water inlet fin 3 and the position of the water outlet of the water inlet fin 51 is long, so that the flow rate of water in the water inlet fin 3 is adjusted, and the balance of the whole heat exchange is improved.
A third confluence part 71 is arranged between the water inlet of the water outlet fin 4 and the frame 5; the width of the third bus bar portion 71 gradually increases toward the direction of the partition bar 51.
A confluence part IV 72 is arranged between the water inlet of the water outlet fin 4 and the frame 5; the width of the bus bar four 72 gradually decreases toward the direction of the partition bar 51.
The water inlet of the water outlet fin 4 is gradually increased, the water outlet is gradually decreased and has the same structure as the water inlet fin 3, and the heat exchange balance of the water outlet fin 4 is further improved.
The water inlet fin 3 comprises a plurality of flow channel groups which are fixedly connected in sequence; the flow channel group comprises a U-shaped groove pipe 31 and an N-shaped groove pipe 32 which are fixedly connected with each other. U type groove pipe 31 and N type groove pipe 32 cycle connection in proper order have increased the area that goes up 1 aluminium sheet 2 heat transfer down of aluminium board, have promoted the intensity in cooling chamber simultaneously, reduce the cooling chamber and take place the condemned problem of bloated after using a period.
The disclosure of the present application also includes the following points:
(1) the drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;
(2) in case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;
the above embodiments are only embodiments disclosed in the present disclosure, but the scope of the disclosure is not limited thereto, and the scope of the disclosure should be determined by the scope of the claims.
Claims (6)
1. The liquid cooling plate for the fin type power battery pack is characterized by comprising an upper aluminum plate, a lower aluminum plate, a water inlet fin, a water outlet fin and a frame;
the frame is rectangular, and a sealed cooling cavity is formed by an upper aluminum plate fixedly arranged at the top in a sealing way and a lower aluminum plate fixedly arranged at the bottom in a sealing way;
the middle part of the frame is provided with a horizontally fixed separation strip which divides the cooling cavity into a water inlet cavity and a water outlet cavity;
one end of the separation strip is fixedly connected with the inner side surface of the frame in a sealing way, and an opening for communicating the water inlet cavity with the water outlet cavity is arranged between the other end of the separation strip and the inner side surface of the frame;
the water inlet fin is fixedly arranged in the water inlet cavity, the top of the water inlet fin is fixedly connected with the upper aluminum plate, and the bottom of the water inlet fin is fixedly connected with the lower aluminum plate;
the water outlet fins are fixedly arranged in the water outlet cavity, the top of the water outlet fins is fixedly connected with the upper aluminum plate, and the bottom of the water outlet fins is fixedly connected with the lower aluminum plate;
the aluminum plate is provided with a water inlet connector communicated with the water inlet cavity, and the aluminum plate is provided with a water outlet connector communicated with the water outlet cavity.
2. The fin-type power battery pack liquid cooling plate as claimed in claim 1, wherein a first confluence part is arranged between the water inlet of the water inlet fin and the frame; the width of the first confluence part is gradually reduced from one side close to the water inlet joint to one side of the direction of the separation strip.
3. The liquid cooling plate for the fin-type power battery pack according to claim 1, wherein a second confluence part is arranged between a water outlet of the water inlet fin and the frame; the width of the second bus part is gradually increased towards the direction of the separating bar.
4. The fin-type power battery pack liquid cooling plate as claimed in claim 1, wherein a third confluence part is arranged between the water inlet of the water outlet fin and the frame; the width of the third bus part is gradually increased towards the direction of the separating bar.
5. The fin-type power battery pack liquid cooling plate as claimed in claim 1, wherein a fourth confluence portion is arranged between the water inlet of the water outlet fin and the frame; the width of the confluence part IV is gradually reduced towards the direction of the separation bars.
6. The finned power battery pack liquid cooling plate as claimed in claim 1, wherein the water inlet fin includes a plurality of flow channel groups fixedly connected in sequence; the runner group comprises a U-shaped groove pipe and an N-shaped groove pipe which are fixedly connected with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020140925.7U CN211150730U (en) | 2020-01-21 | 2020-01-21 | Liquid cooling plate for fin type power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020140925.7U CN211150730U (en) | 2020-01-21 | 2020-01-21 | Liquid cooling plate for fin type power battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211150730U true CN211150730U (en) | 2020-07-31 |
Family
ID=71749022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020140925.7U Expired - Fee Related CN211150730U (en) | 2020-01-21 | 2020-01-21 | Liquid cooling plate for fin type power battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211150730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530644A (en) * | 2021-12-06 | 2022-05-24 | 浙江零跑科技股份有限公司 | Liquid cooling battery module |
-
2020
- 2020-01-21 CN CN202020140925.7U patent/CN211150730U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530644A (en) * | 2021-12-06 | 2022-05-24 | 浙江零跑科技股份有限公司 | Liquid cooling battery module |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200731 Termination date: 20220121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |