CN113871752B - PHEV battery pack diversion cooling device and vehicle - Google Patents
PHEV battery pack diversion cooling device and vehicle Download PDFInfo
- Publication number
- CN113871752B CN113871752B CN202111116568.6A CN202111116568A CN113871752B CN 113871752 B CN113871752 B CN 113871752B CN 202111116568 A CN202111116568 A CN 202111116568A CN 113871752 B CN113871752 B CN 113871752B
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- Prior art keywords
- plate body
- battery pack
- plate
- floor
- air
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a PHEV battery pack diversion cooling device and a vehicle, comprising a wind scooper which is fixed on the floor of a vehicle body and positioned in front of the battery pack, wherein the wind scooper comprises a first plate body and a second plate body, the front edge of the first plate body extends forwards to form a connecting plate fixedly connected with the groove wall of a groove of the floor, the connecting plate and the groove surround to form a cavity for accommodating a wire harness and a cooling pipeline, the rear part of the first plate body extends upwards to form a steep rising part, and at least one air inlet is arranged on the steep rising part; the left and right edges of the first plate body and the second plate body are respectively provided with a first side plate and a second side plate which extend downwards, the first plate body, the second plate body, the first side plate, the second side plate and the floor are encircled to form an air guide channel, and an air outlet of the air guide channel faces towards the battery pack. The structure is simple, the battery pack, the related wire harnesses and pipelines can be effectively protected from heat, the whole airflow motion of the chassis is guided, the cold airflow is actively guided to cool the battery pack, and the heat influence of exhaust on the battery pack is reduced.
Description
Technical Field
The invention relates to an automobile body, in particular to a PHEV battery pack diversion cooling device and a vehicle.
Background
Compared with the traditional vehicle type, the PHEV type has more complex structure, and the PHEV is a Plug-and-play hybrid electric vehicle for short, namely Plug-and-play type in hybrid electric vehicle. The PHEV vehicle type not only has the traditional engine configuration, but also is additionally provided with a battery pack harness, a bag body structure thereof and the like, the chassis arrangement structure is more complex, the heat damage risk is abnormal and serious, and the heat protection cost is high.
In order to improve the thermal environment of the PHEV type battery pack, the wire harness, the pipelines and the peripheral components of the PHEV type battery pack, more passive heat insulation measures are adopted, such as a power battery heat shield and a vehicle disclosed in CN 211918426U. Because the heat sensitivity of the battery pack is very high, the heat shield is required to cover the periphery of the surface of the battery pack to form a relatively closed cavity, the area of the heat shield is relatively large, and the heat shield is mainly based on the self heat protection of the battery pack although a flow guiding structure is locally arranged. The scheme of heat insulation and wrapping of related wire harnesses and pipelines is required to be considered independently, the overall heat insulation cost is high, the weight of the vehicle is increased greatly, and meanwhile, the improvement effect of hot air flow around the overall chassis piece is limited, and the exhaust radiation effect of the battery pack is reduced.
Disclosure of Invention
The invention aims to provide a PHEV battery pack diversion cooling device and a vehicle, which are simple in structure, can effectively protect a battery pack, related wire harnesses and pipelines, guide the whole airflow motion of a chassis, actively guide cold airflow to cool the battery pack, and reduce the thermal influence of exhaust gas on the battery pack.
The PHEV battery pack diversion cooling device comprises a wind scooper which is fixed on the floor of a vehicle body and positioned in front of a battery pack, wherein the wind scooper comprises a first plate body and a second plate body, the front end of the second plate body is smoothly connected with the edge of the rear end of the first plate body, the front edge of the first plate body extends forwards to form a connecting plate fixedly connected with the groove wall of a floor groove, a cavity for accommodating a wire harness and a cooling pipeline is formed by surrounding the connecting plate and the groove, the rear part of the first plate body extends upwards to form a steep lifting part, and at least one air inlet is formed in the steep lifting part; the left and right edges of the first plate body and the second plate body are respectively provided with a first side plate and a second side plate which extend downwards, the first plate body, the second plate body, the first side plate, the second side plate and the floor are encircled to form an air guide channel, an air inlet on the steep lifting part is used as an air inlet of the air guide channel, and an air outlet of the air guide channel faces towards the battery pack.
Further, the whole front part of the air guide cover is narrow, the rear part of the air guide cover is wide, and the width of the air outlet at the rear end covers the width of the whole battery pack (11).
Further, the whole wind scooper is "T" style of calligraphy, in the left and right directions, the length of first plate body is less than the length of second plate body, and the first curb plate and the second curb plate that lie in same border are smooth to be connected.
Further, the lower surfaces of the first plate body and the second plate body are provided with at least one convex rib extending along the front-back direction, so that a diversion trench facing the near exhaust side of the battery pack is formed on the first plate body and the second plate body, and partial air flow in the air guide channel is guided to transversely expand towards the near exhaust side of the battery pack.
Further, the connecting plate is in a curved surface shape with a lower front part and a higher rear part.
Further, the left edge and the right edge of the connecting plate are bent upwards to form a flanging fixedly connected with the groove wall of the groove of the floor.
A vehicle comprises a battery pack fixed on the floor of a vehicle body and the battery pack diversion cooling device.
Compared with the prior art, the invention has the following beneficial effects.
1. According to the invention, the air guide cover fixed on the floor and the floor are surrounded to form the air guide channel, the air inlet is arranged on the steep lifting part of the first plate body, the radiation effect of the tail gas emission structure on the battery pack in the nearby area is effectively isolated by the arrangement of the air guide cover, the thermal influence of the exhaust system on the battery pack is reduced, meanwhile, the windward area is increased by the arrangement of the steep lifting part, a large amount of cold air on the windward side is introduced into the air guide channel through the arrangement of the air inlet, the air outlet of the air guide channel faces the battery pack, and a cold air flow protection layer can be formed on the horizontal plane of the battery pack.
2. According to the invention, the front edge of the first plate body extends forwards to form the connecting plate fixedly connected with the groove wall of the floor groove, the connecting plate is in a curved surface shape with low front and high rear, the cooling air flow at the front end of the vehicle bottom can be actively guided to smoothly flow through, and the connecting plate and the groove are encircled to form a cavity for accommodating the wire harness and the cooling pipeline, so that the effect of heat radiation prevention is achieved, and the heat protection effect is obvious.
3. According to the invention, the lower surfaces of the first plate body and the second plate body are provided with the plurality of convex ribs which are arranged at intervals along the left and right directions, and the plurality of guide grooves are formed among the plurality of convex ribs, so that the transverse partition of air flow in the air guide channel is realized, further, cold air passing through the air outlet of the air guide channel transversely expands towards the side of the battery pack close to the exhaust side, the cooling and heat dissipation effects of the battery pack at the exhaust side are improved, the surface of the battery pack is always covered with a cold air flow protection layer, and the natural cooling effect is realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the bottom construction of the present invention;
FIG. 3 is a schematic view of the mounting structure of the present invention;
in the figure, 1-first plate body, 2-second plate body, 3-connecting plate, 4-air inlet, 5-convex rib, 6-first side plate, 7-second side plate, 8-connecting bracket, 9-flanging, 10-floor, 11-battery pack and 12-exhaust system.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 3, the PHEV battery pack flow guiding and cooling device shown includes a wind scooper fixed to a vehicle body floor 10 and located in front of the battery pack, the wind scooper includes a first plate body 1 and a second plate body 2, the wind scooper is entirely narrow in front and wide in rear, and the width of a rear end air outlet covers the width of the entire battery pack 11. The whole wind scooper is T-shaped, and the length of the first plate body 1 is smaller than that of the second plate body 2 in the left-right direction. The front end of the second plate body 2 is smoothly connected with the edge of the rear end of the first plate body 1, the front edge of the first plate body 1 extends forwards to form a connecting plate 3 fixedly connected with the groove wall of the floor 10, the connecting plate 3 is in a curved surface shape with low front and high rear, the whole front end face of the connecting plate 3 is low, and the connecting plate is more close to a vehicle body, so that the cold air flow at the front end of the vehicle bottom is guided in a transition mode. And the connecting plate 3 and the groove are surrounded to form a cavity for accommodating the wiring harness and the cooling pipeline, so that the effect of heat radiation prevention is achieved, and the heat protection effect is obvious. The left edge and the right edge of the connecting plate 3 are bent upwards to form a flanging 9 fixedly connected with the groove wall of the floor 10, so that the connection stability of the connecting plate 3 and the floor 10 is ensured.
The back of the first plate body 1 extends upwards to form a steep lifting part, the arrangement of the steep lifting part changes the trend of channel airflow in the chassis of the original vehicle type structure, on one hand, the structure can guide cold air at the lower end of the air guide cover to extend backwards along the plane of the lower end of the air guide cover, and on the other hand, the hot air at the exhaust side is forced to flow downwards along the first plate body 1. And two air inlets 4 which are vertically and alternately distributed are arranged on the steep lifting part, the cold air flow speed at the position is high, and a large amount of cold air on the windward side is introduced into the inner side of the air guide cover through the arrangement of the air inlets 4.
The left and right edges of the first plate body 1 and the second plate body 2 are respectively provided with a first side plate 6 and a second side plate 7 which extend downwards, and the first side plate 6 and the second side plate 7 which are positioned at the same edge are smoothly connected. The first plate body 1, the second plate body 2, the first side plate 6, the second side plate 7 and the floor 10 are surrounded to form an air guide channel, the air inlet 4 on the steep rising part is used as an air inlet of the air guide channel, and an air outlet of the air guide channel faces the battery pack 11. The cold air flow entering the inner side of the wind scooper from the air inlet 4 is effectively prevented from flowing out from the left edge and the right edge, the air flow is restricted to flow to the battery pack 11 from the air outlet at the rear end of the wind scooper, and then a cold air flow protection layer can be formed on the horizontal plane of the battery pack 11.
The lower surfaces of the first plate body 1 and the second plate body 2 are provided with at least one convex rib 5 extending along the front-back direction, so that a diversion trench facing the near exhaust side of the battery pack is formed on the first plate body 1 and the second plate body 2, and partial airflow in the air guide channel is guided to transversely expand towards the near exhaust side of the battery pack.
In order to improve convenience and connection stability of assembly, the connecting plate 3 is in bolt connection with the groove wall of the groove on the floor 10 through flanges 9 at the left edge and the right edge, a connecting bracket connected with the floor 10 is fixed on a first side plate 6 at the side edge of the second plate body 2, and the second side plate 7 is in bolt connection with the floor 10. After the wind scooper is integrally fixed, the battery pack 11 wire harness and the cooling pipeline are laid in the wedge-shaped flat cavity formed by the connecting plate 3 and the groove, so that the radiation effect of the exhaust system 12 on the internal structure of the wind scooper is avoided. The whole front end face of the connecting plate 3 is low and is closer to the vehicle body, so that the cold air flow at the front end of the vehicle bottom is guided in a transition manner. The air inlet 4 on the steep rising part of the first plate body 1 is far away from the exhaust system 12, so that a large amount of cold air at the bottom of the vehicle is effectively guided to enter the air guide cover. Convex ribs 5 extending along the front-rear direction are arranged on the lower surfaces of the first plate body 1 and the second plate body 2, an inner diversion groove is formed by matching the first side plate 6 and the second side plate 7 on the left and right edges of the first plate body 1 and the second plate body 2, the inner diversion overall structure is in a 'Sichuan' shape, the width area of the battery pack 11 is horizontally and transversely covered, the cold air flow introduced by the air inlet 4 extends from the air inlet 4 to the rear end of the second plate body 2 in the horizontal and longitudinal direction, the cold air flow introduced by the air inlet 4 extends and expands backwards in the air guide cover integrally, and the effects of blowing cold air in the air guide cover integrally and isolating the structural radiation of the exhaust system 12 and blowing and hot air corrosion of the air are realized. Meanwhile, the transverse airflow partition is realized in the inner diversion trench, the transverse expansion of the entering cold air to the side of the battery pack 10 close to the exhaust side is enhanced, the cooling and heat dissipation effects of the battery pack at the exhaust side are improved, the surface of the battery pack 11 is always covered with a cold airflow protection layer, and the natural cooling effect is realized.
A vehicle comprises a battery pack fixed on the floor of a vehicle body and the battery pack diversion cooling device.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. PHEV battery package water conservancy diversion cooling device, its characterized in that: the solar cell comprises a wind scooper which is fixed on a floor (10) and is positioned in front of a cell pack (11), wherein the wind scooper comprises a first plate body (1) and a second plate body (2), the front end of the second plate body (2) is smoothly connected with the edge of the rear end of the first plate body (1), the front edge of the first plate body (1) extends forwards to form a connecting plate (3) fixedly connected with the groove wall of the groove of the floor (10), the connecting plate (3) and the groove encircle to form a cavity for accommodating a wire harness and a cooling pipeline, the effect of heat radiation prevention is achieved, the heat protection effect is obvious, the rear part of the first plate body (1) extends upwards to form a steep rising part, and at least one air inlet (4) is formed in the steep rising part;
the left edge and the right edge of the first plate body (1) and the second plate body (2) are respectively provided with a first side plate (6) and a second side plate (7) which extend downwards, the first plate body (1), the second plate body (2), the first side plate (6), the second side plate (7) and the floor (10) are surrounded to form an air guide channel, an air inlet (4) on the steep lifting part is used as an air inlet of the air guide channel, and an air outlet of the air guide channel faces towards the battery pack (11); the arrangement of the steep rise part increases the windward area, a large amount of cold air on the windward side is introduced into the diversion channel through the arrangement of the air inlet (4),
an air inlet (4) on the steep rising part of the first plate body (1) is far away from an exhaust system (12), so that a large amount of cold air at the bottom of the vehicle is effectively guided to enter the air guide cover;
the lower surface of first plate body (1) and second plate body (2) is equipped with protruding muscle (5) that at least one along fore-and-aft direction extends, and protruding muscle (5) are enclosed with first curb plate (6) and second curb plate (7) at the border about first plate body (1) and second plate body (2) and are formed the guiding gutter, realize the air current in the wind-guiding passageway in the ascending subregion of left and right sides, realize the inside overall structure of wind scooper and blow cold wind, outside isolated exhaust system (12) structural radiation and the effect of hot air blowing erosion thereof.
2. The PHEV battery pack flow-directing cooling device of claim 1, wherein: the wind scooper is integrally T-shaped, the length of the first plate body (1) is smaller than that of the second plate body (2) in the left-right direction, and the first side plate (6) and the second side plate (7) which are positioned at the same edge are connected smoothly.
3. The PHEV battery pack flow-directing cooling device of claim 1 or 2, wherein: the connecting plate (3) is in a curved surface shape with a lower front part and a higher rear part.
4. The PHEV battery pack flow-directing cooling device of claim 1 or 2, wherein: the left edge and the right edge of the connecting plate (3) are bent upwards to form a flanging (9) fixedly connected with the groove wall of the groove of the floor (10).
5. A vehicle comprising a battery pack secured to a floor of a vehicle body, characterized in that: the PHEV battery pack cooling device of any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111116568.6A CN113871752B (en) | 2021-09-23 | 2021-09-23 | PHEV battery pack diversion cooling device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111116568.6A CN113871752B (en) | 2021-09-23 | 2021-09-23 | PHEV battery pack diversion cooling device and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113871752A CN113871752A (en) | 2021-12-31 |
| CN113871752B true CN113871752B (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111116568.6A Active CN113871752B (en) | 2021-09-23 | 2021-09-23 | PHEV battery pack diversion cooling device and vehicle |
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| CN201941565U (en) * | 2011-01-25 | 2011-08-24 | 北京汽车研究总院有限公司 | Storage battery protecting device of automobile |
| CN208102119U (en) * | 2018-04-28 | 2018-11-16 | 厦门金龙联合汽车工业有限公司 | A kind of car rear engine storehouse flow-guiding structure |
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| Publication number | Publication date |
|---|---|
| CN113871752A (en) | 2021-12-31 |
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