CN114407642B - Pure electric vehicles aviation baffle structure - Google Patents
Pure electric vehicles aviation baffle structure Download PDFInfo
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- CN114407642B CN114407642B CN202210030556.XA CN202210030556A CN114407642B CN 114407642 B CN114407642 B CN 114407642B CN 202210030556 A CN202210030556 A CN 202210030556A CN 114407642 B CN114407642 B CN 114407642B
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- air deflector
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- main body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/08—Air inlets for cooling; Shutters or blinds therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses a pure electric vehicle air deflector structure, which belongs to the technical field of automobile structures and comprises an air deflector main body, two side air deflectors, a front bumper accessory and a bottom air deflector. The air deflector main body guides fresh air flowing from the middle and lower grids to flow upwards through the cambered surface of the air deflector main body and enters the cooling module; the side air deflectors collect the air flowing from two sides of the grille, so that the air inlet quantity is increased; the bottom air deflector can guide the air flowing from the lower grille into the cooling module and prevent the heat from flowing back from the bottom of the cabin; the cambered surface and the inclined arrangement of the air deflector main body can effectively solve the problem of low air inlet of the cooling module caused by the closed grid on the pure electric vehicle; the bottom air deflector combines the requirements of heat management and pedestrian protection, has the functions of air guiding and shank protection, not only prevents idle speed heat backflow, reduces the air inlet temperature of a condenser, reduces high-speed leakage, reduces wind resistance in a cabin, but also has the function of protecting pedestrians.
Description
Technical Field
The invention belongs to the technical field of automobile structures, and particularly relates to an air deflector structure of a pure electric vehicle.
Background
With the improvement of the cooling requirements of the new energy vehicle motor and the battery, the performance requirements of the cooling system are also higher and higher. The influence of the front grille, the pipeline and surrounding parts of the vehicle is limited, so that fresh air entering from the front end of the whole vehicle is easy to leak, and the air inlet of the cooling module is insufficient; and meanwhile, hot air with the temperature in the engine room rising is easy to flow back to the inlet of the cooling module. Especially for pure electric vehicles, the front end modeling mostly adopts an upper grille sealing design concept, which can greatly weaken the air intake of a front end cooling module, and in addition, the front end modeling is influenced by deviation caused by the relative position matching of a lower grille position and the cooling module, the air flow conveying is not smooth, and the heat exchange efficiency is greatly reduced.
While new energy technology is developed, safety awareness of people is improved, and safety protection of automobiles is not limited to passengers in the automobiles, but is extended to pedestrians possibly colliding with the automobiles outside the automobiles. Injuries to the lower leg are often caused when an automobile collides with a pedestrian. The current common measure is to install pedestrian calf protection components to prevent excessive bending and dislocation of knees and calves during collision so as to reduce injuries generated during collision.
Therefore, in the research and development design process of the vehicle type, the new characteristics of the new energy vehicle are considered, the requirements of a cooling system of the new energy vehicle are met, and the requirements of collision and safety regulations are considered.
Disclosure of Invention
The invention discloses a novel air deflector structure of a pure electric vehicle, which is used for forming an air inlet channel between a lower grille and a cooling module in the pure electric vehicle, so that leakage and heat reflux can be reduced, the air inlet requirement of the cooling module is met, the characteristics of a pedestrian calf protection board are considered, and injuries generated during collision are reduced.
The invention is realized by the following technical scheme:
the utility model provides a pure electric vehicle aviation baffle structure, includes aviation baffle main part 1, two side aviation baffles 2, front bumper annex 3 and bottom aviation baffle 4; the upper end of the air deflector main body 1 is in threaded connection with an upper cross beam of the front end frame, the lower end of the air deflector main body is in threaded connection with a front end frame bracket, the end parts of the two side air deflectors 2 are respectively in threaded connection with two sides of the front end frame bracket, and the bottom of the air deflector main body is connected with a bottom air deflector 4; the front end of the bottom air deflector 4 is tightly overlapped with the lower edge of the front bumper, and the rear end is in threaded connection with the bottom of the front end frame; the front bumper accessory 3 is positioned between the air deflector main body 1 and the bottom air deflector 4, the rear end face of the front bumper accessory 3 is connected with the front end frame bracket, the upper end face is connected with the front bumper, and the lower end face is connected with the bottom air deflector 4.
Further, the air deflector main body 1, the cooling module and the front end frame are inclined by 5.5 degrees along the X+ direction of the Y-axis, so that the occupied space of the cabin in the Z direction can be effectively reduced, safety regulations are met, the windward area can be effectively increased, the air inflow is improved, and the heat exchange performance is ensured.
Further, the air deflector main body 1 comprises a front end surface 13 and a side elevation 14, the side elevation 14 is positioned on the side surface of the front end surface 13, the side elevation 14 is tightly attached to the cooling module, so that heat backflow from the inside of the cabin to the two sides of the cooling module can be prevented, the heat exchange effect of the condenser is enhanced, gas leakage from the two sides of the middle and lower grids can be avoided at high vehicle speeds, and the air inflow is improved;
further, the front end face 13 and the side elevation 14 of the air deflector main body 1 are provided with reinforcing ribs 15, so that the strength is improved, and the air deflector main body is ensured not to deform at high speed and vibration.
Further, the front end face 13 is an arc face, gas from the middle and lower grids can rise along the arc face, and the gas is guided to a high place and then enters the cooling module to perform heat exchange, so that uniform wind speed distribution on the surface of the cooling module is ensured, and the heat exchange effect is enhanced.
Further, a sealing foam 5 is filled between the upper end of the air deflector main body 1 and the front end frame, so that the effects of preventing leakage and heat backflow are achieved, and the heat exchange performance of the cooling module is ensured.
Further, the front surface of the side air deflector 2 is concave, and the air flowing from two sides of the grille is collected, so that the air inlet of the cooling module is increased; one end surface of the side air deflector 2 is in threaded connection with the front end frame bracket, and the other end surface is provided with a bracket 214, so that the stability can be effectively improved, and the stable, firm and pressure-resistant structure can be ensured; the support 214 is triangular, so that stability can be effectively improved; the side air deflector 2 is provided with the reinforcing rib structure 213, so that the strength and rigidity of the side air deflector 2 are improved and deformation is avoided on the premise of not increasing the wall thickness; the Y direction of the air guide surface 211 of the side air guide plate 2 is consistent with the Y direction opening width of the lower grille, so that the air flowing from two sides of the lower grille can be obviously collected, the effectiveness of the opening area of the grille is ensured, and the air inlet quantity of the lower grille is improved.
Further, five clamping holes are formed in the upper end face of the front bumper accessory 3 and are used for being connected with a front bumper to position in the Z direction; the lower end face is provided with a plurality of positioning structures 32 for clamping with the bottom air deflector 4; the size and shape of the middle grille air guide surface 33 on the front bumper attachment 3 are consistent with those of the middle grille, and the middle grille air guide surface is tightly overlapped with the middle grille, so that after the air smoothly flows, the air can flow upwards to a high place along the air guide plate main body 1 without leakage, and enters the cooling module.
Further, a groove 34 is formed in the middle of the front bumper accessory 3 and used for placing a millimeter wave radar and a wire harness of a pure electric vehicle, safety and comfort in the driving process are guaranteed, and the accident occurrence probability is reduced.
Further, the front bumper accessory 3 is provided with a plurality of hollow structures, so that the weight of the front bumper accessory is reduced on the premise of ensuring the strength and the rigidity, and the weight of the front bumper accessory is reduced.
Further, the upper surface of the front end of the bottom air deflector 4 is provided with a clamping hole 41 for being clamped with the positioning structure 32 on the front bumper accessory 3, and the front end surface is tightly lapped on the lower surface of the lower grille and is propped against the front bumper; the rear end surface of the bottom air deflector 4 is in a ladder-shaped structure, is attached to the front end frame, and the extending part is buried below the lower cross beam of the front end frame; the bottom end of the stepped structure is provided with a groove 42, and the front end of the bottom guard plate of the front end frame is inserted into the groove 42.
Compared with the prior art, the invention has the following advantages:
1. the air deflector main body adopted by the invention has arc characteristics, and fresh air from the middle and lower grids can be guided to the middle and upper parts of the cooling module along the outline of the air deflector main body, so that turbulent flow of air flow at the front end of the cooling module is avoided, the heat exchange performance is ensured, and the cooling efficiency is improved;
2. the air deflector main body is fixed on the front end frame, and is inclined by 5.5 degrees along the X+ direction of the Y-axis with the front end frame and the whole cooling module, so that the occupied space of the cabin in the Z direction is effectively reduced, the height requirement of the hood required by the safety regulation of the pure electric vehicle is met, the windward area of the cooling module is increased, the air inflow is improved, and the cooling comfort and the thermal management performance of the pure electric vehicle are ensured.
3. The side air deflectors are respectively connected with the front end frame support, the bottom air deflector and the bottom guard plate, the front surface is concave, and the air flowing from two sides of the grille is collected to increase the air inlet of the cooling module; the front end of the bottom air deflector is tightly overlapped with the lower edge of the front bumper, and the rear end is in threaded connection with the bottom of the front end frame, so that the air flowing from the lower grille can be smoothly guided into the cooling module, and the heat backflow from the bottom of the cabin can be prevented, and the condition that the air enters the cooling module when the vehicle is in a low-speed and high-speed working condition is ensured;
4. the lower part of the bottom air deflector is added with more reinforcing ribs, so that the strength of the bottom air deflector is ensured; meanwhile, the bottom air deflector is also a shank protection plate, so that the safety of pedestrians can be ensured in the event of collision; the shank protection plate can play a role of a supporting point of the shank of a pedestrian, prevent the knees from being excessively bent and misplaced, protect children groups and reduce the risk of penetration of children; the bottom air deflector integrates the air deflector and the lower leg protection plate, so that an assembly process is saved, the installation deviation caused by accumulated errors is effectively eliminated, and plastic steel is selected as a material, thereby being beneficial to realizing light weight;
5. the front bumper accessory is positioned between the air deflector main body and the bottom air deflector, and is a functional piece and a structural piece; the left and right sides of the cooling module are respectively provided with an opening which is completely attached to the middle grille, so that air flow is ensured to smoothly pass through the cooling module, and the air inlet quantity is increased; the hollow-out characteristics are more, and the overall weight is reduced on the premise of ensuring the structural strength;
6. the cambered surface and the inclined arrangement of the air deflector main body can effectively solve the problem of low air inlet of the cooling module caused by the closed grid on the pure electric vehicle; the bottom air deflector combines the requirements of heat management and pedestrian protection, has the functions of air guiding and shank protection, not only prevents idle speed heat backflow, reduces the air inlet temperature of a condenser, reduces high-speed leakage, reduces wind resistance in a cabin, but also has the function of protecting pedestrians.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is an isometric view of the overall structure of a wind deflector of a pure electric vehicle of the present invention;
FIG. 2 is an isometric view of the body of the air deflection plate of the present invention;
FIG. 3 is an isometric view of a side deflector of the present invention;
wherein a is a first axonometric view, and b is a second axonometric view;
FIG. 4 is an isometric view of a front bumper attachment of the present invention;
FIG. 5 is an isometric view of the bottom deflector of the present invention;
in the figure:
1-an air deflector main body, 11-an upper fixing point, 12-a lower fixing point, 13-a front end face, 14-a side elevation and 15-a reinforcing rib;
2-side air deflectors, 211-air guiding surfaces, 212-fixing points I, 213-reinforcing rib structures, 214-brackets, 221-fixing points II, 222-fixing points III and 223-fixing points IV;
3-front bumper accessories, 31-fixed points V, 32-fixed points VI, 33-middle grille wind-guiding surfaces, 34-grooves and 35-positioning holes;
4-bottom air deflector, 41-clamping holes and 42-grooves;
5-sealing foam.
Detailed Description
For a clear and complete description of the technical scheme and the specific working process thereof, the following specific embodiments of the invention are provided with reference to the accompanying drawings in the specification:
in the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Example 1
As shown in fig. 1, the novel air deflector structure of the pure electric vehicle comprises an air deflector main body 1, a side air deflector 2, a front bumper accessory 3 and a bottom air deflector 4; after passing through the middle and lower grids, the external air in front of the automobile is collected by the side air deflectors 2 and is guided by the front bumper accessory 3, and a part of the air flows backwards along the bottom air deflector 4 and enters the cooling module; the other part of the gas flows upwards along the air deflector main body 1 and then enters the cooling module;
the upper end of the air deflector main body 1 is in threaded connection with an upper cross beam of the front end frame, the lower end of the air deflector main body is in threaded connection with a front end frame bracket, the end parts of the two side air deflectors 2 are respectively in threaded connection with two sides of the front end frame bracket, and the bottom of the air deflector main body is connected with a bottom air deflector 4; the front end of the bottom air deflector 4 is tightly overlapped with the lower edge of the front bumper, and the rear end is in threaded connection with the bottom of the front end frame; the front bumper accessory 3 is positioned between the air deflector main body 1 and the bottom air deflector 4, the rear end face of the front bumper accessory 3 is connected with the front end frame bracket, the upper end face is connected with the front bumper, and the lower end face is connected with the bottom air deflector 4;
as shown in fig. 2, the upper part of the air deflector main body 1 is connected with an upper cross beam of the front end frame through four upper fixing points 11 by bolts, and the lower part is connected with a front end frame bracket by two lower fixing points 12 by bolts; the air deflector main body 1, the cooling module and the front end frame are inclined by 5.5 degrees along the X+ direction of the Y-axis, and the vertical surfaces 14 on two sides are closely attached to the cooling module, so that heat backflow which is wound back from two sides of the cooling module at low speed can be prevented, and gas leakage from two sides at high speed can be avoided; the front end face 13 of the air deflector main body 1 is in an arc surface structure, gas from the middle and lower grids can flow upwards along the arc surface and be guided to a high place to enter the cooling module, so that the wind speed distribution on the surface of the cooling module is ensured to be more uniform; a sealing foam 5 is filled between the upper end of the air deflector main body 1 and the front end frame, and the effects of preventing leakage and heat backflow can be achieved; the front end face 13 and the side elevation 14 of the air deflector main body 1 are respectively provided with a reinforcing rib 15 structure, so that the strength is improved, and the self deformation is avoided at high speed and vibration;
as shown in fig. 3, the side air deflector 2 is connected with the front end frame bracket through a fixed point I212 and a fixed point III 222 by bolts, so as to play a role in positioning and supporting; the Y-direction width of the air guide surface 211 of the side air guide plate 2 is consistent with the Y-direction opening width of the lower grille, so that obvious flow guiding effect can be achieved on the air flowing from two sides of the lower grille, the air inlet quantity of the cooling module is increased, and the utilization rate of the grille opening is ensured; the fixed point II 221 is connected with the bottom air deflector, and the fixed point IV 223 is connected with the bottom guard plate, so that the fixing and supporting functions can be exerted; the side air deflector 2 is additionally provided with a plurality of reinforcing ribs 213, so that the strength and rigidity of the side air deflector 2 are improved, deformation is avoided, and the wall thickness of the side air deflector is reduced; the support 214 is designed into a triangle, so that the stability can be effectively improved;
as shown in fig. 4, the fixing points v 31 on both sides of the front bumper attachment 3 are connected with the front end frame bracket by bolts, and are main stress points and locating points; the upper part is connected with the front bumper through five clamping holes 35, so that the Z-direction positioning is ensured; the lower part is clamped with the bottom air deflector 4 through a positioning point VI 32. The surface of the middle grille air guide surface 33 is smooth, and the front end is tightly overlapped with the middle grille, so that the air flowing through the middle grille air guide surface is ensured to flow upwards along the air guide plate main body 1 to enter the cooling module without leakage; millimeter wave radar and wire harnesses are arranged at the groove 34, so that safety and comfort in the driving process are guaranteed; the front bumper accessory 3 is provided with more hollowed-out characteristics, so that the weight reduction is realized;
as shown in fig. 5, the upper surface of the front end of the bottom air deflector 4 is clamped with the fixed point 32 of the front bumper accessory through a clamping hole 41, the front end surface is tightly lapped on the lower surface of the lower grille, the rear end Z-shaped structure is attached to the front end frame, and the extending part is buried under the lower cross beam of the front end frame; the front end of the bottom guard plate is inserted into the groove 42; the bottom air deflector and the lower leg protection plate of the pedestrian are integrated, so that the assembly process is saved, and the installation deviation is eliminated; the plastic steel is used as the material, so that the structural weight is reduced, and the injury to pedestrians is reduced. The sealing foam 5 is adhered to the upper end of the air deflector main body 1, and fills the assembly gap between the air deflector main body and the upper end of the front end frame, so that leakage and heat reflux can be eliminated, and the heat exchange performance of the cooling module is ensured.
Example 2
As shown in fig. 1, the embodiment provides a pure electric vehicle air deflector structure, which comprises an air deflector main body 1, two side air deflectors 2, a front bumper accessory 3 and a bottom air deflector 4; the upper end of the air deflector main body 1 is in threaded connection with an upper cross beam of the front end frame, the lower end of the air deflector main body is in threaded connection with a front end frame bracket, the end parts of the two side air deflectors 2 are respectively in threaded connection with two sides of the front end frame bracket, and the bottom of the air deflector main body is connected with a bottom air deflector 4; the front end of the bottom air deflector 4 is tightly overlapped with the lower edge of the front bumper, and the rear end is in threaded connection with the bottom of the front end frame; the front bumper accessory 3 is positioned between the air deflector main body 1 and the bottom air deflector 4, the rear end face of the front bumper accessory 3 is connected with the front end frame bracket, the upper end face is connected with the front bumper, and the lower end face is connected with the bottom air deflector 4.
After passing through the middle and lower grids, the fresh air in front of the automobile is collected by the side air deflectors 2, guided by the front bumper accessory 3, and part of the air continuously flows towards the cooling module along the bottom air deflectors 4 and enters; another part of the gas flows upward along the air deflector body 1 and then enters the cooling module.
Referring to fig. 2, the air deflector main body 1 includes a front end surface 13 and a side elevation 14, the side elevation 14 is located at a side surface of the front end surface 13, the side elevation 14 is closely attached to the cooling module, so that heat backflow from the interior of the cabin to the two sides of the cooling module at low vehicle speeds can be prevented, the heat exchange effect of the condenser is enhanced, gas leakage from the two sides of the middle and lower grids at high vehicle speeds can be avoided, and the air inflow is increased; the air deflector main body 1, the cooling module and the front end frame are inclined by 5.5 degrees along the X+ direction of the Y-axis, so that the occupied space of the cabin in the Z direction can be effectively reduced, safety regulations are met, the windward area can be effectively increased, the air inflow is improved, and the heat exchange performance is ensured.
The front end face 13 and the side elevation 14 of the air deflector main body 1 are respectively provided with a reinforcing rib 15, so that the strength is improved, and the air deflector main body is ensured not to deform at high speed and vibration.
The front end face 13 is an arc face, gas from the middle and lower grids can rise along the arc face and then enter the cooling module to perform heat exchange after being guided to a high place, so that uniform wind speed distribution on the surface of the cooling module is ensured, and the heat exchange effect is enhanced.
And sealing foam 5 is filled between the upper end of the air deflector main body 1 and the front end frame, so that the effects of preventing leakage and heat backflow are achieved, and the heat exchange performance of the cooling module is ensured.
Referring to fig. 3, the front surface of the side air deflector 2 is concave, and the air flowing from two sides of the grille is collected to increase the air inlet of the cooling module; the side end face is provided with the bracket 214, so that the stability can be effectively improved, and the stable, firm and pressure-resistant structure can be ensured; the side air deflector 2 is provided with the reinforcing rib structure 213, so that the strength and rigidity of the side air deflector 2 are improved and deformation is avoided on the premise of not increasing the wall thickness; the Y direction of the air guide surface 211 of the side air guide plate 2 is consistent with the Y direction opening width of the lower grille, so that the air flowing from two sides of the lower grille can be obviously collected, the effectiveness of the opening area of the grille is ensured, and the air inlet quantity of the lower grille is improved.
Referring to fig. 4, five clamping holes are provided on the upper end surface of the front bumper attachment 3, and are used for connecting with a front bumper to perform positioning in the Z direction; the lower end face is provided with a plurality of positioning structures 32 for clamping with the bottom air deflector 4; the size and shape of the middle grille wind guide surface 33 arranged on the front bumper accessory 3 are consistent with those of the middle grille, and the middle grille is tightly overlapped with the middle grille, so that the air can flow upwards to a high place along the air guide plate main body 1 without leakage after smoothly flowing, and the air can enter the cooling module. The middle position of the front bumper accessory 3 is provided with a groove 34 for placing a millimeter wave radar and a wire harness of a pure electric vehicle, so that the safety and the comfort in the driving process are ensured, and the accident occurrence probability is reduced. The front bumper accessory 3 is provided with a plurality of hollow structures, so that the weight of the front bumper accessory is reduced on the premise of ensuring the strength and the rigidity, and the weight is reduced.
Referring to fig. 5, the upper surface of the front end of the bottom air deflector 4 is provided with a clamping hole 41 for clamping with the positioning structure 32 on the front bumper attachment 3, and the front end surface is tightly lapped on the lower surface of the lower grille and abuts against the front bumper; the rear end surface of the bottom air deflector 4 is in a ladder-shaped structure, is attached to the front end frame, and the extending part is buried below the lower cross beam of the front end frame; the bottom end of the stepped structure is provided with a groove 42, and the front end of the bottom guard plate of the front end frame is inserted into the groove 42.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the simple modifications belong to the protection scope of the present invention.
In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.
Moreover, any combination of the various embodiments of the invention can be made without departing from the spirit of the invention, which should also be considered as disclosed herein.
Claims (8)
1. The air deflector structure of the pure electric vehicle is characterized by comprising an air deflector main body (1), two side air deflectors (2), a front bumper accessory (3) and a bottom air deflector (4); the upper end of the air deflector main body (1) is in threaded connection with an upper cross beam of the front end frame, the lower end of the air deflector main body is in threaded connection with a front end frame support, one end part of one of the two side air deflectors is in threaded connection with one side of the front end frame support, the other end part of the other one of the two side air deflectors is in threaded connection with the other side of the front end frame support, and the bottom of the air deflector main body is connected with a bottom air deflector (4); the front end of the bottom air deflector (4) is tightly overlapped with the lower edge of the front bumper, and the rear end is in threaded connection with the bottom of the front end frame; the front bumper accessory (3) is positioned between the air deflector main body (1) and the bottom air deflector (4), the rear end face of the front bumper accessory (3) is connected with the front end frame bracket, the upper end face is connected with the front bumper, and the lower end face is connected with the bottom air deflector (4);
wherein, the air deflector main body (1) is inclined by 5.5 degrees along the Y-axis X+ direction together with the cooling module and the front end frame; the front end face (13) of the air deflector main body (1) is an arc-shaped face; the front end surface of the bottom air deflector (4) is tightly lapped on the lower surface of the lower grille, and is propped against the front bumper, and is integrated with the lower leg protection plate of the pedestrian;
the front surface of the side air deflector (2) is concave, and the air flowing from the two sides of the grille is collected, so that the air inlet of the cooling module is increased; one end surface of the side air deflector (2) is in threaded connection with the front end frame support, the other end surface of the side air deflector is provided with a support (214), and the support (214) is triangular; a reinforcing rib structure (213) is arranged on the side air deflector (2); the Y-direction of the air guiding surface (211) of the side air guiding plate (2) is consistent with the Y-direction opening width of the lower grid.
2. The air deflector structure of a pure electric vehicle according to claim 1, wherein the air deflector body (1) comprises a front end surface (13) and a side elevation (14), the side elevation (14) is located on the side surface of the front end surface (13), and the side elevation (14) is tightly attached to the cooling module.
3. The pure electric vehicle air deflector structure as claimed in claim 2, wherein the front end face (13) and the side elevation (14) of the air deflector body (1) are provided with reinforcing ribs (15).
4. The pure electric vehicle air deflector structure as claimed in claim 1, characterized in that a sealing foam (5) is filled between the upper end of the air deflector body (1) and the front end frame.
5. The pure electric vehicle air deflector structure as claimed in claim 1, wherein the upper end surface of the front bumper accessory (3) is provided with five clamping holes for connecting with a front bumper to perform positioning in the Z direction; the lower end face is provided with a plurality of positioning structures (32) which are used for being clamped with the bottom air deflector (4); the size and the shape of the middle grille air guide surface (33) on the front bumper accessory (3) are consistent with those of the middle grille, and the middle grille air guide surface (33) is tightly overlapped with the middle grille.
6. The pure electric vehicle air deflector structure as claimed in claim 1, wherein a groove (34) is provided in the middle of the front bumper attachment (3) for placing millimeter wave radar and wire harness of the pure electric vehicle.
7. The pure electric vehicle air deflector structure of claim 1, characterized in that the front bumper attachment (3) is provided with a plurality of hollowed-out structures.
8. The pure electric vehicle air deflector structure as claimed in claim 1, wherein the front end upper surface of the bottom air deflector (4) is provided with a clamping hole (41) for being clamped with a positioning structure (32) on the front bumper accessory (3), the rear end surface of the bottom air deflector (4) is in a stepped structure, is attached to the front end frame, and the extending part is buried below the lower cross beam of the front end frame; the bottom end of the stepped structure is provided with a groove (42), and the front end of the bottom guard plate of the front end frame is inserted into the groove (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210030556.XA CN114407642B (en) | 2022-01-12 | 2022-01-12 | Pure electric vehicles aviation baffle structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210030556.XA CN114407642B (en) | 2022-01-12 | 2022-01-12 | Pure electric vehicles aviation baffle structure |
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| CN114407642A CN114407642A (en) | 2022-04-29 |
| CN114407642B true CN114407642B (en) | 2023-09-26 |
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| CN202210030556.XA Active CN114407642B (en) | 2022-01-12 | 2022-01-12 | Pure electric vehicles aviation baffle structure |
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|---|---|
| CN114407642A (en) | 2022-04-29 |
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