CN210576337U - Power battery air-cooling module - Google Patents
Power battery air-cooling module Download PDFInfo
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- CN210576337U CN210576337U CN201922045742.7U CN201922045742U CN210576337U CN 210576337 U CN210576337 U CN 210576337U CN 201922045742 U CN201922045742 U CN 201922045742U CN 210576337 U CN210576337 U CN 210576337U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a power battery air cooling module, which comprises a battery module, a fan, an air collecting installation end plate, a drainage insulation plate and a battery management system; the battery module comprises a module bracket, a bus bar and a cylindrical battery cell; the module bracket is provided with a honeycomb-shaped air passage; two ends of the cylindrical battery cell are respectively connected with the bus bar in a welding way through the corresponding honeycomb-shaped air passing channels; two ends of the battery module are respectively and fixedly connected with one surface of the corresponding drainage insulation plate; a plurality of drainage holes are formed in the drainage insulation plate; the fan is fixed in the middle of one surface of the wind collecting installation end plate; the other side of the wind collecting installation end plate is fixedly connected with the other side of the drainage insulation plate; be equipped with temperature sensor on the busbar, battery management system respectively with temperature sensor with the fan is connected. The utility model discloses a module can be so that cylinder electricity core temperature is more balanced, and the cooling is faster.
Description
Technical Field
The utility model relates to a new energy battery technical field especially relates to a power battery air-cooled module.
Background
Cylindrical lithium ion batteries are increasingly used in electric vehicles and energy storage projects due to their high energy density, mature process technology, significant price advantage, no pollution, and the like. When the demand of electric energy is large, the number of the single batteries is large, so that the phenomenon of large heat generation is caused.
The power battery air cooling module stores and releases electric energy through internal chemical reaction, and in the process of storing and releasing the electric energy, the chemical reaction can lead to the change of the temperature of the power battery air cooling module, so that the difference of the working temperature and the temperature uniformity of each battery in the power battery air cooling module is large, and the temperature is one of important factors influencing the electric quantity and the service life of the power battery air cooling module, so that how to effectively improve the consistency of the battery temperature in the power battery air cooling module has important significance for prolonging the service life of the battery.
At present, an air cooling/heating mode is generally adopted. For the air cooling/heating mode, mainly blow from perpendicular to battery direction of height, like this, when power battery air-cooled module is great and electric core arrange inhomogeneous, the battery temperature homogeneity difference of air intake and air outlet department can be comparatively big, and the resistance that wind passes through the group battery is big, leads to the uniformity of each battery temperature among the battery module poor to the life of power battery air-cooled module has been influenced.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model provides a power battery air-cooling module can be at the temperature of good reduction battery, the uniformity of temperature between the better maintenance battery.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a power battery air-cooling module comprises:
the air-collecting and air-collecting device comprises a battery module, a fan, an air-collecting installation end plate, a drainage insulation plate and a battery management system;
the battery module comprises a module bracket, a bus bar and a cylindrical battery cell; the module bracket is provided with a honeycomb-shaped air passage; two ends of the cylindrical battery cell are respectively provided with a module bracket and a busbar; two ends of the cylindrical battery cell are respectively connected with the bus bar in a welding way through the corresponding honeycomb-shaped air passing channels;
two ends of the battery module are respectively and fixedly connected with one surface of the corresponding drainage insulation plate; a plurality of drainage holes are formed in the drainage insulation plate; the fan is fixed in the middle of one surface of the wind collecting installation end plate; the other side of the wind collecting installation end plate is fixedly connected with the other side of the drainage insulation plate;
be equipped with temperature sensor on the busbar, battery management system respectively with temperature sensor with the fan is connected.
The further improvement of the scheme is as follows:
the fan comprises an air inlet fan and an air outlet fan; the wind collecting mounting end plate comprises an air inlet wind collecting mounting end plate and an air outlet wind collecting mounting end plate; the drainage insulation plate comprises an air inlet drainage insulation plate and an air outlet drainage insulation plate;
the air inlet fan is fixed in the middle of the air inlet surface of the air inlet and air collecting installation end plate, and the air inlet drainage insulation plate is fixedly connected with the other surface of the air inlet and air collecting installation end plate;
the air outlet fan is fixed in the middle of the air outlet surface of the air outlet air collecting installation end plate, and the air outlet drainage insulation plate is fixedly connected with the other surface of the air outlet air collecting installation end plate.
In the foregoing aspect, preferably, the method further includes: a screw insulating sleeve and a long screw; the screw rod insulating sleeve is sleeved on the long screw rod;
the long screw rod penetrates through the air inlet and air collection installation end plate, the air inlet drainage insulation plate, the battery module, the air outlet drainage insulation plate and the air outlet and air collection installation end plate in sequence.
In the above scheme, preferably, the drainage holes of the drainage insulation plate are in a bell mouth shape.
In the above scheme, preferably, the middle of the wind collecting installation end plate is a circular hollow area.
In the above scheme, preferably, the drainage holes correspond to the cylindrical battery cells one to one.
In the above scheme, preferably, the battery management system is connected to the fan through a fan control harness, and is connected to the temperature sensor through a battery collection harness.
According to the above technical scheme, the utility model discloses a power battery air-cooling module, through be equipped with cellular air passageway of crossing on battery module's module support, form a ventilation passageway that has main wind channel and each branch's passageway, the ventilation passageway runs through each electric core, gather real-time temperature data through the temperature sensor who sets up on the busbar, and feed back BMS (battery management system) and control fan running power, battery management system is between the temperature interval through inside setting up, it opens and stops and the wind speed to control the fan, in order to reach the more balanced effect that reduces the temperature, the temperature uniformity between the maintenance battery that can be better.
Meanwhile, convection is formed by the rotation of the air inlet fan and the air outlet fan, so that the temperature is reduced more quickly.
Drawings
Fig. 1 is a schematic view of an overall structure of an air-cooling module for a power battery according to an embodiment of the present invention;
fig. 2 is a schematic view of a split structure of an air-cooled module of a power battery according to an embodiment of the present invention;
fig. 3 is an internal air duct and a side view of the power battery air-cooling module according to the embodiment of the present invention;
fig. 4 is a BMS connection diagram of the power battery air-cooling module according to the embodiment of the present invention.
Wherein: 1. an air inlet sub-fan; 2. an air inlet and air collection mounting end plate; 3. an air inlet guide insulation plate; 41. a bus bar; 42. a module holder; 43. a cylindrical cell; 5. an insulating plate; 6. air outlet drainage insulation plates; 7. an air outlet and air collection mounting end plate; 8. a screw insulating sleeve; 9. an air outlet fan; 10. a long screw; 11. a BMS; 12. a fan control harness; 13. and collecting the wiring harness by using a battery.
Detailed Description
The technical solution of the present invention will be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 4, the embodiment of the present invention first illustrates the module structure and principle of the present invention in a specific optimized embodiment.
As shown in fig. 1, the power battery air-cooling module according to the embodiment of the present invention regulates and controls the fan operation power through the BMS to achieve the purpose of temperature regulation.
As shown in fig. 2, the embodiment of the utility model provides a power battery air-cooled module, inner structure includes: the air conditioner comprises an air inlet and air collecting installation end plate 2, an air inlet and air guiding insulation plate 3, a battery module, an insulation plate 5, an air outlet and air guiding insulation plate 6, an air outlet and air collecting installation end plate 7, and an air inlet fan 1 and an air outlet fan 9 which are respectively fixed on the air inlet and air collecting installation end plate 2 and the air outlet and air collecting installation end plate 7. The battery module is configured to: the cylindrical battery cells 43 are placed in the two module supports 42, and the cylindrical battery cells 43 are connected in series and in parallel by welding the busbar 41 and the cylindrical battery cells 43; a honeycomb-shaped air passage is arranged on the module bracket 42, and two ends of the cylindrical battery cell 43 penetrate through the air passage to be connected with the busbar 41.
The stud insulating sleeve 8 is sleeved on the long screw 10 and penetrates through the long screw 10; the long screw 10 passes through the air inlet and air collection installation end plate 2, the air inlet drainage insulation plate 3, the battery module, the insulation plate 5, the air outlet drainage insulation plate 6 and the air outlet and air collection installation end plate 7 in sequence.
The internal wind direction can be referred to in fig. 3. The wind collecting mounting end plate is in a shape like a Chinese character 'kou', the middle part of the wind collecting mounting end plate is hollow, and the wind collecting mounting end plate can be a vacuum area. The drainage insulation board is provided with a plurality of drainage holes which can be in a horn mouth shape and also can be distributed unevenly and can be in one-to-one correspondence with the cylindrical battery cores. This embodiment uses the middle part regional drainage hole bigger as main wind channel, and drainage is carried out as following the wind channel all around. Be equipped with cellular air passage on the module support, form a ventilation channel who has main wind channel and each branch's passageway after each part makes up, ventilation channel runs through each electric core, and air inlet fan and air outlet fan form the convection current circulation through rotating.
See fig. 4. The bus bar 41 is provided with a temperature sensor, and a corresponding temperature sensor can be provided for each battery. The BMS11 respectively collect temperature data of the corresponding temperature sensors through the battery collection harness 13. The start, stop and speed of the fan are controlled by BMS (battery management system) 11, BMS11 being connected to the fan by fan control harness 12. BMS11 feeds back the temperature data of BMS11 through temperature sensor, through inside calculation and according to inside temperature interval judgement of predetermineeing, controls the fan and stops and the wind speed is adjusted to with the cooling of reasonable air current flow direction, with the effect that reaches balanced temperature.
In view of this, the embodiment of the utility model provides a power battery air-cooled module, the heat radiation structure and the module functional structure of module that have highly integrated realize BMS management and control temperature, promote the security performance, promote the uniformity of battery temperature, promote the life of power battery air-cooled module.
Receive the temperature that comes from temperature sensor on the cylinder electricity core with BMS (battery management system) and control the fan and open and stop and the rotational speed, the module structure is one set of unique ventilation system really, is equipped with main ventilation passageway, follows the ventilation passageway, is connected to each monomer cylinder electricity core through the wind channel, adjusts the temperature of cylinder electricity core through the fan convection current.
According to the above technical scheme, the utility model discloses a power battery air-cooling module, through be equipped with cellular air passageway of crossing on battery module's module support, form a ventilation passageway that has main wind channel and each branch's passageway, the ventilation passageway runs through each electric core, gather real-time temperature data through the temperature sensor who sets up on the busbar, and feed back BMS (battery management system) and control fan running power, battery management system is between the temperature interval through inside setting up, it opens and stops and the wind speed to control the fan, in order to reach the more balanced effect that reduces the temperature, the temperature uniformity between the maintenance battery that can be better.
Meanwhile, convection is formed by the rotation of the air inlet fan and the air outlet fan, so that the temperature is reduced more quickly.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. The utility model provides a power battery forced air cooling module which characterized in that includes:
the air-collecting and air-collecting device comprises a battery module, a fan, an air-collecting installation end plate, a drainage insulation plate and a battery management system;
the battery module comprises a module bracket, a bus bar and a cylindrical battery cell; the module bracket is provided with a honeycomb-shaped air passage; two ends of the cylindrical battery cell are respectively provided with a module bracket and a busbar; two ends of the cylindrical battery cell are respectively connected with the bus bar in a welding way through the corresponding honeycomb-shaped air passing channels;
two ends of the battery module are respectively and fixedly connected with one surface of the corresponding drainage insulation plate; a plurality of drainage holes are formed in the drainage insulation plate; the fan is fixed in the middle of one surface of the wind collecting installation end plate; the other side of the wind collecting installation end plate is fixedly connected with the other side of the drainage insulation plate;
be equipped with temperature sensor on the busbar, battery management system respectively with temperature sensor with the fan is connected.
2. The power battery air-cooling module of claim 1, wherein the fan comprises an inlet fan and an outlet fan; the wind collecting mounting end plate comprises an air inlet wind collecting mounting end plate and an air outlet wind collecting mounting end plate; the drainage insulation plate comprises an air inlet drainage insulation plate and an air outlet drainage insulation plate;
the air inlet fan is fixed in the middle of the air inlet surface of the air inlet and air collecting installation end plate, and the air inlet drainage insulation plate is fixedly connected with the other surface of the air inlet and air collecting installation end plate;
the air outlet fan is fixed in the middle of the air outlet surface of the air outlet air collecting installation end plate, and the air outlet drainage insulation plate is fixedly connected with the other surface of the air outlet air collecting installation end plate.
3. The power battery air-cooling module of claim 2, further comprising: a screw insulating sleeve and a long screw; the screw rod insulating sleeve is sleeved on the long screw rod;
the long screw rod penetrates through the air inlet and air collection installation end plate, the air inlet drainage insulation plate, the battery module, the air outlet drainage insulation plate and the air outlet and air collection installation end plate in sequence.
4. The power battery air-cooling module of claim 1, wherein the drainage holes of the drainage insulation plate are flared.
5. The power battery air-cooling module of claim 1, wherein the middle of the wind-collecting mounting end plate is a circular hollow area.
6. The power battery air-cooling module of claim 1, wherein the drainage holes correspond to the cylindrical cells one to one.
7. The power battery air-cooling module of claim 1, wherein the battery management system is connected with the fan through a fan control harness, and is connected with the temperature sensor through a battery collection harness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922045742.7U CN210576337U (en) | 2019-11-25 | 2019-11-25 | Power battery air-cooling module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922045742.7U CN210576337U (en) | 2019-11-25 | 2019-11-25 | Power battery air-cooling module |
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| Publication Number | Publication Date |
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| CN210576337U true CN210576337U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922045742.7U Active CN210576337U (en) | 2019-11-25 | 2019-11-25 | Power battery air-cooling module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934048A (en) * | 2020-06-30 | 2020-11-13 | 上海空间电源研究所 | Automatic cooling and heat dissipation device for lithium ion storage battery pack |
| CN112038727A (en) * | 2020-08-20 | 2020-12-04 | 南京航空航天大学 | Air cooling cylinder power battery package that contains bionical surface microstructure heat dissipation piece |
| CN114361678A (en) * | 2020-10-13 | 2022-04-15 | 江苏宜兴德融科技有限公司 | Unmanned aerial vehicle battery package structure and unmanned aerial vehicle |
-
2019
- 2019-11-25 CN CN201922045742.7U patent/CN210576337U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934048A (en) * | 2020-06-30 | 2020-11-13 | 上海空间电源研究所 | Automatic cooling and heat dissipation device for lithium ion storage battery pack |
| CN111934048B (en) * | 2020-06-30 | 2022-04-22 | 上海空间电源研究所 | Automatic cooling and heat dissipation device for lithium ion storage battery pack |
| CN112038727A (en) * | 2020-08-20 | 2020-12-04 | 南京航空航天大学 | Air cooling cylinder power battery package that contains bionical surface microstructure heat dissipation piece |
| CN112038727B (en) * | 2020-08-20 | 2022-04-08 | 南京航空航天大学 | Air cooling cylinder power battery package that contains bionical surface microstructure heat dissipation piece |
| CN114361678A (en) * | 2020-10-13 | 2022-04-15 | 江苏宜兴德融科技有限公司 | Unmanned aerial vehicle battery package structure and unmanned aerial vehicle |
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