CN209786149U - Square electricity core module wind-guiding structure - Google Patents
Square electricity core module wind-guiding structure Download PDFInfo
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- CN209786149U CN209786149U CN201920112703.1U CN201920112703U CN209786149U CN 209786149 U CN209786149 U CN 209786149U CN 201920112703 U CN201920112703 U CN 201920112703U CN 209786149 U CN209786149 U CN 209786149U
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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
Abstract
The utility model relates to a square electricity core module wind-guiding structure belongs to the technical field of power battery design and manufacturing. The utility model discloses a square electricity core module wind-guiding structure, including module subassembly, curb plate, transition flat tube, return air duct, air-out pipeline and fan subassembly; the module assembly comprises a square battery cell, a bottom plate and an upper cover plate, and an upper channel is formed between the square battery cell and the upper cover plate; the side plates are arranged on two sides of the square battery cell and form a side air duct; the transition flat tube is arranged at the front end of the square battery cell, two sides of the transition flat tube are communicated with the side air channel, and the upper end of the transition flat tube is communicated with the upper channel; the air outlet of the air outlet pipeline is communicated with the lateral air channel, and the air inlet of the air outlet pipeline is communicated with the fan assembly. The utility model discloses a square electric core module wind-guiding structure utilizes the heat transfer of the closed circulation mobile air acceleration battery of fan, but also can utilize the outer environment of module subassembly to carry out the heat exchange, can be so that the temperature of electric core keeps unanimous in the battery module.
Description
Technical Field
The utility model relates to a technical field of power battery design and manufacturing, more specifically say, the utility model relates to a square electric core module wind-guiding structure.
Background
As shown in fig. 1-2, in the conventional module without air duct design in the prior art, the battery module utilizes a fan unit 3 to exchange heat with the outside through a gap space 5 of a battery module upper cover 1 and a battery module metal outer plate 2. Or set up through-hole (not shown in the figure) through the different height position department on the lateral wall of electric core module, form the wind channel, but this kind of wind channel exists the wind direction and changes and influence, can know through the simulation that inside has different direction components, has mutual influence, can not form mutual noninterference and confined circulation, leads to electric core module to have drawbacks such as heat exchange efficiency is low, module temperature is inhomogeneous.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned technical problem that exists among the prior art, the utility model provides a square electricity core module wind-guiding structure.
The utility model discloses a square electricity core module wind-guiding structure, including module subassembly, curb plate, transition flat tube, return air duct, air-out pipeline and fan subassembly; the method is characterized in that: the module assembly comprises a square battery cell, a bottom plate is arranged at the bottom of the square battery cell, an upper cover plate is arranged at the upper part of the square battery cell, and an upper channel of an air inlet and an air outlet is formed between the square battery cell and the upper cover plate; the number of the side plates is two, the two side plates are respectively arranged on two sides of the square battery cell, and a side air duct is formed between each side plate and the side wall of the square battery cell; the transition flat tube is arranged at the front end of the square battery cell, two sides of the transition flat tube are respectively communicated with air outlets of side air ducts at two sides of the square battery cell, and the upper end of the transition flat tube is communicated with an air inlet of the upper channel; the air outlet pipeline is arranged at the rear end of the square battery cell, air outlets are arranged on two sides of the front end of the air outlet pipeline and are respectively communicated with air inlets of the side air channels on two sides of the square battery cell, an air inlet is arranged at the rear end of the air outlet pipeline, and the air inlets are communicated with an air outlet of the fan assembly; the air inlet of the fan assembly is communicated with the air outlet of the air return pipeline, one or more fans are arranged in the fan assembly, and the air inlet of the air return pipeline is communicated with the air outlet of the upper channel; and a closed air guide circulating structure is formed among the air outlet pipeline, the side air channel, the transition flat pipe, the upper channel, the return air pipeline and the fan assembly.
Gaps are arranged between the upper end and the two sides of the transition flat tube, so that the front end of the square battery cell is communicated with the outside.
A gap is formed between the front end of the air outlet pipeline and the rear end of the square battery cell, and a gap is formed between the air outlet pipeline and the air return pipeline, so that the rear end of the square battery cell is communicated with the outside.
The upper end and the lower end of the side plate are respectively positioned on the bottom plate and the upper cover plate through preformed holes to be in threaded connection or bayonet lock connection.
And a partition plate is arranged between the upper part of the side plate and the side wall of the square battery cell, and an internal channel communicated with the front end and the rear end of the square battery cell is formed between the partition plate and the upper end of the side plate and between the partition plate and the side wall of the square battery cell.
The transition flat tubes are in threaded connection or bayonet connection with the bottom plate and the upper cover plate through reserved hole positions respectively.
Wherein, the air inlet of the return air pipeline is in threaded connection or bayonet connection with the upper cover plate through a reserved hole position; and an air outlet of the return air pipeline is in threaded connection or bayonet lock connection with one end of an air inlet of the fan assembly through a reserved hole position.
Wherein, the return air duct has the cross section that diminishes gradually from the air intake to the air outlet.
The front end of the air outlet pipeline is of a closed structure, air outlets communicated with air inlets of the lateral air channels are only arranged on two sides of the air outlet pipeline, and the sectional areas of the air outlets are equal to the sectional areas of the air inlets of the lateral air channels.
The air outlet of the air outlet pipeline is in threaded connection or bayonet lock connection with the bottom plate and the side plate through a reserved hole position; the air inlet of the air outlet pipeline is in threaded connection, clamped connection or welded connection with one end of the air outlet of the fan assembly.
Compared with the prior art, the utility model discloses a square electric core module wind-guiding structure has following beneficial effect:
The utility model discloses a square electric core module wind-guiding structure utilizes the heat transfer of the closed circulation mobile air acceleration battery of fan, but also can utilize the outer environment of module subassembly to carry out the heat exchange, can be so that the temperature of electric core keeps unanimous in the battery module.
Drawings
Fig. 1 is a schematic structural diagram of a square battery cell module air guide structure in the prior art.
Fig. 2 is a schematic structural view along a view angle a in fig. 1.
fig. 3 is the utility model discloses a disassembly structure schematic diagram of square electricity core module wind-guiding structure.
Fig. 4 is the utility model discloses a cubic structure sketch map of square electricity core module wind-guiding structure.
Fig. 5 is the utility model discloses a square electricity core module wind-guiding structure's top view.
Fig. 6 is a side view of the square battery cell module wind-guiding structure of the present invention.
Fig. 7 is the utility model discloses a square electric core module wind-guiding structure's runner section wind circulation schematic diagram.
Fig. 8 is a schematic view of a fan flow channel in the air guide structure of the square battery cell module.
Fig. 9 is a schematic diagram of a module side flow channel in the air guide structure of the square cell module.
Fig. 10 is a schematic view of a fan return duct in the air guide structure of the square battery cell module.
Detailed Description
It is right to combine specific embodiment below the utility model discloses a square electricity core module wind-guiding structure does further explanation to help technical staff in the field to be right the utility model discloses a design, technical scheme have more complete, accurate and deep understanding.
Example 1
The thermal management system performance of a battery is a critical factor in determining battery usability, safety, life and cost. First, the charge and discharge performance of the battery is limited by temperature. If the temperature is too low, the chargeable and dischargeable current of the battery can be reduced, and the input and output power is reduced; the battery is overheated due to charging and discharging under the working conditions of high temperature and high current, the internal resistance difference of the battery is increased, the temperature difference of the battery core is increased, and the consistency is affected. Secondly, the operating or storage temperature of the power cell affects its service life. The suitable temperature of the battery is about 15-35 ℃, and the service life of the battery is rapidly reduced due to the overhigh or overlow temperature. The ratio of the surface area to the volume of the square battery is relatively small, the heat inside the battery is not easy to dissipate, and the problems of uneven internal temperature, overhigh local temperature rise and the like are more likely to occur, so that the attenuation of the battery is further accelerated, and the service life of the battery is shortened. Therefore, the design of the battery thermal management system is a key technology for ensuring the service performance, safety and service life of the power battery.
The type of battery thermal management system is mostly air-cooled and water-cooling system, and the module scheme of this embodiment has the heat-transfer surface and concentrates on the characteristics of module side and upper portion, consequently adopts the forced air cooling more suitable. Specifically, as shown in fig. 3 to 10, the square battery cell module air guiding structure of the present embodiment includes a module assembly 10, a side plate 30, a transition flat tube 20, a return air duct 40, an air outlet duct 50, and a fan assembly 60. The module assembly 10 comprises a square battery cell 11, a bottom plate 13 is arranged at the bottom of the square battery cell 11, an upper cover plate 12 is arranged at the upper part of the square battery cell 11, and an upper passage of an air inlet and an air outlet is formed between the square battery cell 11 and the upper cover plate 12. The number of the side plates 30 is two, the two side plates are respectively arranged on two sides of the square battery cell 11, and a side air duct is formed between the side plates 30 and the side wall of the square battery cell. The transition flat tube 20 is arranged at the front end of the square battery cell 11, two sides 22 of the transition flat tube 20 are communicated with an air outlet of the side air duct, and an upper end 21 of the transition flat tube 20 is communicated with an air inlet of the upper channel. The air outlet pipeline 50 is arranged at the rear end of the square electric core 11, the front end of the air outlet pipeline 50 is of a closed structure, air outlets communicated with air inlets of the lateral air channels are only arranged on two sides of the front end of the air outlet pipeline, the sectional area of each air outlet is equal to that of each air inlet of the lateral air channels, the air inlets of the air outlet pipeline 50 are communicated with the air outlet 62 of the fan assembly 60, the air inlets 61 of the fans are communicated with the air outlet of the return air pipeline 40, one or more fans 63 are arranged in the fan assembly 60, or a heat exchanger (not shown in the figure) can be further arranged, and the air inlets of the return air pipeline 40 are communicated with the air outlet of the upper channel. And a closed air guide circulating structure is formed among the air outlet pipeline 50, the side air duct, the transition flat pipe 20, the upper channel, the return air pipeline 40 and the fan assembly 60. A gap 23 is arranged between the upper end 21 and the two sides 22 of the transition flat tube, so that the front end of the square battery cell is communicated with the outside. A gap 51 is formed between the front end of the air outlet pipeline 50 and the rear end of the square battery cell 11, and a gap 52 is formed between the air outlet pipeline 50 and the air return pipeline 40, so that the rear end of the square battery cell 11 is communicated with the outside. A partition plate 31 is arranged between the upper part of the side plate 30 and the side wall of the square battery cell 11, and an internal channel communicated with the front end and the rear end of the square battery cell 11 is formed between the partition plate 31 and the upper end of the side plate and the side wall of the square battery cell 11. The upper end and the lower end of the side plate 30 are respectively positioned on the bottom plate 13 and the upper cover plate 12 through a prepared hole to be in threaded connection or bayonet connection. The upper end and the lower end of the transition flat tube 20 are respectively connected with the bottom plate 13 and the upper cover plate 12 through screw threads or bayonet locks through reserved hole positions. One end of the air inlet of the return air pipeline 40 is in threaded connection or bayonet lock connection with the upper cover plate 12 through a reserved hole position, and one end of the air outlet of the return air pipeline 40 is in threaded connection or bayonet lock connection with one end of the air inlet 61 of the fan assembly 60 through a reserved hole position. And one end of an air outlet of the air outlet pipeline 50 is in threaded connection or bayonet connection with the bottom plate 13 and the side plates through reserved hole positions. And one end of the air inlet of the air outlet pipeline 50 is in threaded connection, clamped connection or welded fixation with one end of the air outlet of the fan assembly 60. The return duct 40 has a gradually decreasing cross-section from the inlet to the outlet.
The direction that the arrow point in the figure shows is the flow direction of air, utilizes confined compulsory flow to accelerate the external heat transfer of battery, can also utilize the environment outside the module subassembly to carry out the heat exchange moreover, can be so that the temperature of electric core keeps unanimous in the battery module. The circulation wind channel design that this embodiment adopted utilizes the air gap that module upper portion formed, adds the air channel that increases on the module, and the fan makes the air circulation in the air duct system flow as the power supply that the air flows, guarantees the uniformity of battery to heat transfer with higher speed. The fan department can cooperate the heat exchanger to use, makes air cooling or heating, realizes the cooling of battery, intensification to play the effect to battery temperature management and control. The module structure of this embodiment can keep the uniformity of battery temperature through simulation verification to play better heat transfer effect to the battery.
For those skilled in the art, the specific embodiments are only exemplary descriptions of the present invention, and it is obvious that the present invention is not limited to the above-mentioned embodiments, and various insubstantial modifications can be made without modification to the method concept and technical solution of the present invention, and the present invention is also within the scope of the present invention.
Claims (10)
1. A square battery cell module wind guide structure comprises a module assembly, side plates, a transition flat tube, a return air pipeline, an air outlet pipeline and a fan assembly; the method is characterized in that: the module assembly comprises a square battery cell, a bottom plate is arranged at the bottom of the square battery cell, an upper cover plate is arranged at the upper part of the square battery cell, and an upper channel of an air inlet and an air outlet is formed between the square battery cell and the upper cover plate; the number of the side plates is two, the two side plates are respectively arranged on two sides of the square battery cell, and a side air duct is formed between each side plate and the side wall of the square battery cell; the transition flat tube is arranged at the front end of the square battery cell, two sides of the transition flat tube are respectively communicated with air outlets of side air ducts at two sides of the square battery cell, and the upper end of the transition flat tube is communicated with an air inlet of the upper channel; the air outlet pipeline is arranged at the rear end of the square battery cell, air outlets are arranged on two sides of the front end of the air outlet pipeline and are respectively communicated with air inlets of the side air channels on two sides of the square battery cell, an air inlet is arranged at the rear end of the air outlet pipeline, and the air inlets are communicated with an air outlet of the fan assembly; the air inlet of the fan assembly is communicated with the air outlet of the air return pipeline, one or more fans are arranged in the fan assembly, and the air inlet of the air return pipeline is communicated with the air outlet of the upper channel; and a closed air guide circulating structure is formed among the air outlet pipeline, the side air channel, the transition flat pipe, the upper channel, the return air pipeline and the fan assembly.
2. The square battery cell module air guide structure of claim 1, characterized in that: and a gap is formed between the upper end and the two sides of the transition flat tube, so that the front end of the square battery cell is communicated with the outside.
3. The square battery cell module air guide structure of claim 2, characterized in that: a gap is arranged between the front end of the air outlet pipeline and the rear end of the square battery cell, and a gap is arranged between the air outlet pipeline and the air return pipeline, so that the rear end of the square battery cell is communicated with the outside.
4. The square battery cell module air guide structure of claim 3, wherein: and a partition plate is arranged between the upper part of the side plate and the side wall of the square battery cell, and an internal channel communicated with the front end and the rear end of the square battery cell is formed between the partition plate and the upper end of the side plate and the side wall of the square battery cell.
5. The square battery cell module air guide structure of claim 1, characterized in that: the upper end and the lower end of the side plate are respectively positioned on the bottom plate and the upper cover plate through preformed holes to be in threaded connection or bayonet lock connection.
6. The square battery cell module air guide structure of claim 1, characterized in that: the transition flat tube is in threaded connection or bayonet lock connection with the bottom plate and the upper cover plate through reserved hole positions respectively.
7. The square battery cell module air guide structure of claim 1, characterized in that: the air inlet of the return air pipeline is in threaded connection or bayonet lock connection with the upper cover plate through a reserved hole position; and an air outlet of the return air pipeline is in threaded connection or bayonet lock connection with one end of an air inlet of the fan assembly through a reserved hole position.
8. The square battery cell module air guide structure of claim 1, characterized in that: the air return pipeline has a cross section which is gradually reduced from the air inlet to the air outlet.
9. The square battery cell module air guide structure of claim 1, characterized in that: the front end of the air outlet pipeline is of a closed structure isolated from the rear end of the square battery cell, air outlets communicated with air inlets of the lateral air channels are only arranged on two sides of the air outlet pipeline, and the sectional areas of the air outlets are equal to the sectional areas of the air inlets of the lateral air channels.
10. The square battery cell module air guide structure of claim 1, characterized in that: the air outlet of the air outlet pipeline is in threaded connection or bayonet lock connection with the bottom plate and the side plate through a reserved hole position; the air inlet of the air outlet pipeline is in threaded connection, clamped connection or welded connection with one end of the air outlet of the fan assembly.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920112703.1U CN209786149U (en) | 2019-01-23 | 2019-01-23 | Square electricity core module wind-guiding structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920112703.1U CN209786149U (en) | 2019-01-23 | 2019-01-23 | Square electricity core module wind-guiding structure |
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| CN209786149U true CN209786149U (en) | 2019-12-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742488A (en) * | 2019-01-23 | 2019-05-10 | 阿尔特汽车技术股份有限公司 | A kind of square electric core model group air guide structure |
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- 2019-01-23 CN CN201920112703.1U patent/CN209786149U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742488A (en) * | 2019-01-23 | 2019-05-10 | 阿尔特汽车技术股份有限公司 | A kind of square electric core model group air guide structure |
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